diff --git a/README.md b/README.md
index 828f3e0..c9bb380 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 The official Xendit Node SDK provides a simple and convenient way to call Xendit's REST API
 in applications written in Node.
 
-* Package version: 3.3.0
+* Package version: 3.4.0
 
 # Getting Started
 
@@ -49,14 +49,14 @@ const xenditClient = new Xendit({
 # Documentation
 
 Find detailed API information and examples for each of our product’s by clicking the links below,
-* [Refund](docs/Refund.md)
 * [Invoice](docs/Invoice.md)
-* [Payout](docs/Payout.md)
-* [PaymentMethod](docs/PaymentMethod.md)
 * [PaymentRequest](docs/PaymentRequest.md)
-* [Customer](docs/Customer.md)
+* [PaymentMethod](docs/PaymentMethod.md)
+* [Refund](docs/Refund.md)
 * [Transaction](docs/Transaction.md)
 * [Balance](docs/Balance.md)
+* [Customer](docs/Customer.md)
+* [Payout](docs/Payout.md)
 
 
 Further Reading
diff --git a/balance_and_transaction/apis/Balance.ts b/balance_and_transaction/apis/Balance.ts
index b5c8763..aeacdcb 100644
--- a/balance_and_transaction/apis/Balance.ts
+++ b/balance_and_transaction/apis/Balance.ts
@@ -26,7 +26,6 @@ export interface GetBalanceRequest {
     accountType?: GetBalanceAccountTypeEnum;
     currency?: string;
     forUserId?: string;
-    idempotencyKey?: string;
 }
 
 /**
@@ -67,10 +66,6 @@ export class BalanceApi extends runtime.BaseAPI {
             headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
-        }
-
         const response = await this.request({
             path: `/balance`,
             method: 'GET',
diff --git a/balance_and_transaction/apis/Transaction.ts b/balance_and_transaction/apis/Transaction.ts
index 5a26baf..2dd46a4 100644
--- a/balance_and_transaction/apis/Transaction.ts
+++ b/balance_and_transaction/apis/Transaction.ts
@@ -40,6 +40,11 @@ import {
     ValidationErrorToJSON,
 } from '../models';
 
+export interface GetTransactionByIDRequest {
+    id: string;
+    forUserId?: string;
+}
+
 export interface GetAllTransactionsRequest {
     forUserId?: string;
     types?: Array<TransactionTypes>;
@@ -55,13 +60,6 @@ export interface GetAllTransactionsRequest {
     limit?: number;
     afterId?: string;
     beforeId?: string;
-    idempotencyKey?: string;
-}
-
-export interface GetTransactionByIDRequest {
-    id: string;
-    forUserId?: string;
-    idempotencyKey?: string;
 }
 
 /**
@@ -80,6 +78,43 @@ export class TransactionApi extends runtime.BaseAPI {
         this.secretKey = secretKey;
     }
 
+    /**
+     * Get single specific transaction by transaction id.
+     * Get a transaction based on its id
+     */
+    private async getTransactionByIDRaw(requestParameters: GetTransactionByIDRequest): Promise<runtime.ApiResponse<TransactionResponse>> {
+        if (requestParameters.id === null || requestParameters.id === undefined) {
+            throw new runtime.RequiredError('id','Required parameter requestParameters.id was null or undefined when calling getTransactionByID.');
+        }
+
+        const queryParameters: any = {};
+
+        const headerParameters: runtime.HTTPHeaders = {};
+        headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
+
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
+        }
+
+        const response = await this.request({
+            path: `/transactions/{id}`.replace(`{${"id"}}`, encodeURIComponent(String(requestParameters.id))),
+            method: 'GET',
+            headers: headerParameters,
+            query: queryParameters,
+        });
+
+        return new runtime.JSONApiResponse(response, (jsonValue) => TransactionResponseFromJSON(jsonValue));
+    }
+
+    /**
+     * Get single specific transaction by transaction id.
+     * Get a transaction based on its id
+     */
+    async getTransactionByID(requestParameters: GetTransactionByIDRequest): Promise<TransactionResponse> {
+        const response = await this.getTransactionByIDRaw(requestParameters);
+        return await response.value();
+    }
+
     /**
      * Get a list of all transactions based on filter and search parameters.
      * Get a list of transactions
@@ -146,10 +181,6 @@ export class TransactionApi extends runtime.BaseAPI {
             headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
-        }
-
         const response = await this.request({
             path: `/transactions`,
             method: 'GET',
@@ -169,45 +200,4 @@ export class TransactionApi extends runtime.BaseAPI {
         return await response.value();
     }
 
-    /**
-     * Get single specific transaction by transaction id.
-     * Get a transaction based on its id
-     */
-    private async getTransactionByIDRaw(requestParameters: GetTransactionByIDRequest): Promise<runtime.ApiResponse<TransactionResponse>> {
-        if (requestParameters.id === null || requestParameters.id === undefined) {
-            throw new runtime.RequiredError('id','Required parameter requestParameters.id was null or undefined when calling getTransactionByID.');
-        }
-
-        const queryParameters: any = {};
-
-        const headerParameters: runtime.HTTPHeaders = {};
-        headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
-
-        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
-            headerParameters['for-user-id'] = String(requestParameters.forUserId);
-        }
-
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
-        }
-
-        const response = await this.request({
-            path: `/transactions/{id}`.replace(`{${"id"}}`, encodeURIComponent(String(requestParameters.id))),
-            method: 'GET',
-            headers: headerParameters,
-            query: queryParameters,
-        });
-
-        return new runtime.JSONApiResponse(response, (jsonValue) => TransactionResponseFromJSON(jsonValue));
-    }
-
-    /**
-     * Get single specific transaction by transaction id.
-     * Get a transaction based on its id
-     */
-    async getTransactionByID(requestParameters: GetTransactionByIDRequest): Promise<TransactionResponse> {
-        const response = await this.getTransactionByIDRaw(requestParameters);
-        return await response.value();
-    }
-
 }
diff --git a/balance_and_transaction/models/ChannelsCategories.ts b/balance_and_transaction/models/ChannelsCategories.ts
index da3ed6b..39e95bb 100644
--- a/balance_and_transaction/models/ChannelsCategories.ts
+++ b/balance_and_transaction/models/ChannelsCategories.ts
@@ -25,7 +25,8 @@ export const ChannelsCategories = {
     VirtualAccount: 'VIRTUAL_ACCOUNT',
     Xenplatform: 'XENPLATFORM',
     DirectBankTransfer: 'DIRECT_BANK_TRANSFER',
-    Other: 'OTHER'
+    Other: 'OTHER',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type ChannelsCategories = typeof ChannelsCategories[keyof typeof ChannelsCategories];
 
@@ -35,6 +36,11 @@ export function ChannelsCategoriesFromJSON(json: any): ChannelsCategories {
 }
 
 export function ChannelsCategoriesFromJSONTyped(json: any, ignoreDiscriminator: boolean): ChannelsCategories {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(ChannelsCategories)[Object.values(ChannelsCategories).indexOf(json)]
+        return ChannelsCategories[key] === undefined ?
+            ChannelsCategories['XenditEnumDefaultFallback'] : ChannelsCategories[key]
+    }
     return json as ChannelsCategories;
 }
 
diff --git a/balance_and_transaction/models/Currency.ts b/balance_and_transaction/models/Currency.ts
index bec08a3..363a4d4 100644
--- a/balance_and_transaction/models/Currency.ts
+++ b/balance_and_transaction/models/Currency.ts
@@ -173,7 +173,8 @@ export const Currency = {
     Yer: 'YER',
     Zar: 'ZAR',
     Zmw: 'ZMW',
-    Zwd: 'ZWD'
+    Zwd: 'ZWD',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type Currency = typeof Currency[keyof typeof Currency];
 
@@ -183,6 +184,11 @@ export function CurrencyFromJSON(json: any): Currency {
 }
 
 export function CurrencyFromJSONTyped(json: any, ignoreDiscriminator: boolean): Currency {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(Currency)[Object.values(Currency).indexOf(json)]
+        return Currency[key] === undefined ?
+            Currency['XenditEnumDefaultFallback'] : Currency[key]
+    }
     return json as Currency;
 }
 
diff --git a/balance_and_transaction/models/TransactionStatuses.ts b/balance_and_transaction/models/TransactionStatuses.ts
index b43dfb8..6451af1 100644
--- a/balance_and_transaction/models/TransactionStatuses.ts
+++ b/balance_and_transaction/models/TransactionStatuses.ts
@@ -16,7 +16,8 @@ export const TransactionStatuses = {
     Pending: 'PENDING',
     Failed: 'FAILED',
     Reversed: 'REVERSED',
-    Voided: 'VOIDED'
+    Voided: 'VOIDED',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type TransactionStatuses = typeof TransactionStatuses[keyof typeof TransactionStatuses];
 
@@ -26,6 +27,11 @@ export function TransactionStatusesFromJSON(json: any): TransactionStatuses {
 }
 
 export function TransactionStatusesFromJSONTyped(json: any, ignoreDiscriminator: boolean): TransactionStatuses {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(TransactionStatuses)[Object.values(TransactionStatuses).indexOf(json)]
+        return TransactionStatuses[key] === undefined ?
+            TransactionStatuses['XenditEnumDefaultFallback'] : TransactionStatuses[key]
+    }
     return json as TransactionStatuses;
 }
 
diff --git a/balance_and_transaction/models/TransactionTypes.ts b/balance_and_transaction/models/TransactionTypes.ts
index 887a3ae..35f8023 100644
--- a/balance_and_transaction/models/TransactionTypes.ts
+++ b/balance_and_transaction/models/TransactionTypes.ts
@@ -24,7 +24,8 @@ export const TransactionTypes = {
     Cashback: 'CASHBACK',
     Topup: 'TOPUP',
     Withdrawal: 'WITHDRAWAL',
-    Other: 'OTHER'
+    Other: 'OTHER',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type TransactionTypes = typeof TransactionTypes[keyof typeof TransactionTypes];
 
@@ -34,6 +35,11 @@ export function TransactionTypesFromJSON(json: any): TransactionTypes {
 }
 
 export function TransactionTypesFromJSONTyped(json: any, ignoreDiscriminator: boolean): TransactionTypes {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(TransactionTypes)[Object.values(TransactionTypes).indexOf(json)]
+        return TransactionTypes[key] === undefined ?
+            TransactionTypes['XenditEnumDefaultFallback'] : TransactionTypes[key]
+    }
     return json as TransactionTypes;
 }
 
diff --git a/customer/apis/Customer.ts b/customer/apis/Customer.ts
index 9ecb725..6b3db5a 100644
--- a/customer/apis/Customer.ts
+++ b/customer/apis/Customer.ts
@@ -38,28 +38,24 @@ import {
 } from '../models';
 
 export interface CreateCustomerRequest {
-    iDEMPOTENCYKEY?: string;
-    forUserId?: string;
     idempotencyKey?: string;
+    forUserId?: string;
     data?: CustomerRequest;
 }
 
 export interface GetCustomerRequest {
     id: string;
     forUserId?: string;
-    idempotencyKey?: string;
 }
 
 export interface GetCustomerByReferenceIDRequest {
     referenceId: string;
     forUserId?: string;
-    idempotencyKey?: string;
 }
 
 export interface UpdateCustomerRequest {
     id: string;
     forUserId?: string;
-    idempotencyKey?: string;
     data?: PatchCustomer;
 }
 
@@ -91,18 +87,14 @@ export class CustomerApi extends runtime.BaseAPI {
 
         headerParameters['Content-Type'] = 'application/json';
 
-        if (requestParameters.iDEMPOTENCYKEY !== undefined && requestParameters.iDEMPOTENCYKEY !== null) {
-            headerParameters['IDEMPOTENCY-KEY'] = String(requestParameters.iDEMPOTENCYKEY);
+        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
+            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
         }
 
         if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
             headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
-        }
-
         const response = await this.request({
             path: `/customers`,
             method: 'POST',
@@ -141,10 +133,6 @@ export class CustomerApi extends runtime.BaseAPI {
             headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
-        }
-
         const response = await this.request({
             path: `/customers/{id}`.replace(`{${"id"}}`, encodeURIComponent(String(requestParameters.id))),
             method: 'GET',
@@ -186,10 +174,6 @@ export class CustomerApi extends runtime.BaseAPI {
             headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
-        }
-
         const response = await this.request({
             path: `/customers`,
             method: 'GET',
@@ -229,10 +213,6 @@ export class CustomerApi extends runtime.BaseAPI {
             headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
-        }
-
         const response = await this.request({
             path: `/customers/{id}`.replace(`{${"id"}}`, encodeURIComponent(String(requestParameters.id))),
             method: 'PATCH',
diff --git a/customer/models/AddressStatus.ts b/customer/models/AddressStatus.ts
index 64d3faf..5e1f7d0 100644
--- a/customer/models/AddressStatus.ts
+++ b/customer/models/AddressStatus.ts
@@ -13,7 +13,8 @@
  */
 export const AddressStatus = {
     Active: 'ACTIVE',
-    Deleted: 'DELETED'
+    Deleted: 'DELETED',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type AddressStatus = typeof AddressStatus[keyof typeof AddressStatus];
 
@@ -23,6 +24,11 @@ export function AddressStatusFromJSON(json: any): AddressStatus {
 }
 
 export function AddressStatusFromJSONTyped(json: any, ignoreDiscriminator: boolean): AddressStatus {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(AddressStatus)[Object.values(AddressStatus).indexOf(json)]
+        return AddressStatus[key] === undefined ?
+            AddressStatus['XenditEnumDefaultFallback'] : AddressStatus[key]
+    }
     return json as AddressStatus;
 }
 
diff --git a/customer/models/EndCustomerStatus.ts b/customer/models/EndCustomerStatus.ts
index bd00bf0..e702203 100644
--- a/customer/models/EndCustomerStatus.ts
+++ b/customer/models/EndCustomerStatus.ts
@@ -16,7 +16,8 @@ export const EndCustomerStatus = {
     Inactive: 'INACTIVE',
     Pending: 'PENDING',
     Blocked: 'BLOCKED',
-    Deleted: 'DELETED'
+    Deleted: 'DELETED',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type EndCustomerStatus = typeof EndCustomerStatus[keyof typeof EndCustomerStatus];
 
@@ -26,6 +27,11 @@ export function EndCustomerStatusFromJSON(json: any): EndCustomerStatus {
 }
 
 export function EndCustomerStatusFromJSONTyped(json: any, ignoreDiscriminator: boolean): EndCustomerStatus {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(EndCustomerStatus)[Object.values(EndCustomerStatus).indexOf(json)]
+        return EndCustomerStatus[key] === undefined ?
+            EndCustomerStatus['XenditEnumDefaultFallback'] : EndCustomerStatus[key]
+    }
     return json as EndCustomerStatus;
 }
 
diff --git a/customer/models/IdentityAccountType.ts b/customer/models/IdentityAccountType.ts
index b60ca0e..cabc227 100644
--- a/customer/models/IdentityAccountType.ts
+++ b/customer/models/IdentityAccountType.ts
@@ -17,7 +17,8 @@ export const IdentityAccountType = {
     CreditCard: 'CREDIT_CARD',
     PayLater: 'PAY_LATER',
     Otc: 'OTC',
-    QrCode: 'QR_CODE'
+    QrCode: 'QR_CODE',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type IdentityAccountType = typeof IdentityAccountType[keyof typeof IdentityAccountType];
 
@@ -27,6 +28,11 @@ export function IdentityAccountTypeFromJSON(json: any): IdentityAccountType {
 }
 
 export function IdentityAccountTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): IdentityAccountType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(IdentityAccountType)[Object.values(IdentityAccountType).indexOf(json)]
+        return IdentityAccountType[key] === undefined ?
+            IdentityAccountType['XenditEnumDefaultFallback'] : IdentityAccountType[key]
+    }
     return json as IdentityAccountType;
 }
 
diff --git a/customer/models/KYCDocumentSubType.ts b/customer/models/KYCDocumentSubType.ts
index 2250155..f85b894 100644
--- a/customer/models/KYCDocumentSubType.ts
+++ b/customer/models/KYCDocumentSubType.ts
@@ -21,7 +21,8 @@ export const KYCDocumentSubType = {
     StudentId: 'STUDENT_ID',
     MilitaryId: 'MILITARY_ID',
     MedicalId: 'MEDICAL_ID',
-    Others: 'OTHERS'
+    Others: 'OTHERS',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type KYCDocumentSubType = typeof KYCDocumentSubType[keyof typeof KYCDocumentSubType];
 
@@ -31,6 +32,11 @@ export function KYCDocumentSubTypeFromJSON(json: any): KYCDocumentSubType {
 }
 
 export function KYCDocumentSubTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): KYCDocumentSubType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(KYCDocumentSubType)[Object.values(KYCDocumentSubType).indexOf(json)]
+        return KYCDocumentSubType[key] === undefined ?
+            KYCDocumentSubType['XenditEnumDefaultFallback'] : KYCDocumentSubType[key]
+    }
     return json as KYCDocumentSubType;
 }
 
diff --git a/customer/models/KYCDocumentType.ts b/customer/models/KYCDocumentType.ts
index 1fcc3e0..360c1fd 100644
--- a/customer/models/KYCDocumentType.ts
+++ b/customer/models/KYCDocumentType.ts
@@ -19,7 +19,8 @@ export const KYCDocumentType = {
     Passport: 'PASSPORT',
     Visa: 'VISA',
     BusinessRegistration: 'BUSINESS_REGISTRATION',
-    BusinessLicense: 'BUSINESS_LICENSE'
+    BusinessLicense: 'BUSINESS_LICENSE',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type KYCDocumentType = typeof KYCDocumentType[keyof typeof KYCDocumentType];
 
@@ -29,6 +30,11 @@ export function KYCDocumentTypeFromJSON(json: any): KYCDocumentType {
 }
 
 export function KYCDocumentTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): KYCDocumentType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(KYCDocumentType)[Object.values(KYCDocumentType).indexOf(json)]
+        return KYCDocumentType[key] === undefined ?
+            KYCDocumentType['XenditEnumDefaultFallback'] : KYCDocumentType[key]
+    }
     return json as KYCDocumentType;
 }
 
diff --git a/docs/Balance.md b/docs/Balance.md
index 21d5ffa..cf45f94 100644
--- a/docs/Balance.md
+++ b/docs/Balance.md
@@ -31,7 +31,6 @@ const xenditBalanceClient = new BalanceClient({secretKey: YOUR_SECRET_KEY})
 |  accountType|  | &#39;CASH&#39; | &#39;HOLDING&#39; | &#39;TAX&#39; |
 |  currency|  | string |
 |  forUserId|  | string |
-|  idempotencyKey|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
diff --git a/docs/Customer.md b/docs/Customer.md
index 768b0e8..44191af 100644
--- a/docs/Customer.md
+++ b/docs/Customer.md
@@ -28,9 +28,8 @@ const xenditCustomerClient = new CustomerClient({secretKey: YOUR_SECRET_KEY})
 ### Request Parameters — `CreateCustomerRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
-|  iDEMPOTENCYKEY|  | string |
-|  forUserId|  | string |
 |  idempotencyKey|  | string |
+|  forUserId|  | string |
 |  data|  | [CustomerRequest](customer/models/CustomerRequest.md) |
 
 ### Usage Examples
@@ -55,7 +54,6 @@ const response: Customer = await xenditCustomerClient.createCustomer({ })
 |-----------|:----------:|:----------:|
 |  id| ✅ | string |
 |  forUserId|  | string |
-|  idempotencyKey|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
@@ -81,7 +79,6 @@ const response: Customer = await xenditCustomerClient.getCustomer({
 |-----------|:----------:|:----------:|
 |  referenceId| ✅ | string |
 |  forUserId|  | string |
-|  idempotencyKey|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
@@ -107,7 +104,6 @@ const response: GetCustomerByReferenceID200Response = await xenditCustomerClient
 |-----------|:----------:|:----------:|
 |  id| ✅ | string |
 |  forUserId|  | string |
-|  idempotencyKey|  | string |
 |  data|  | [PatchCustomer](customer/models/PatchCustomer.md) |
 
 ### Usage Examples
diff --git a/docs/Invoice.md b/docs/Invoice.md
index 5b44a27..a95c5fa 100644
--- a/docs/Invoice.md
+++ b/docs/Invoice.md
@@ -29,6 +29,7 @@ const xenditInvoiceClient = new InvoiceClient({secretKey: YOUR_SECRET_KEY})
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  data| ✅ | [CreateInvoiceRequest](invoice/models/CreateInvoiceRequest.md) |
+|  forUserId|  | string |
 
 ### Usage Examples
 #### Create Invoice Request
@@ -49,31 +50,6 @@ const response: Invoice = await xenditInvoiceClient.createInvoice({
     data
 })
 ```
-## Manually expire an invoice
-
-
-### Function Signature
-| Name          |    Value 	     |
-|--------------------|:-------------:|
-| Function Name | `expireInvoice` |
-| Request Parameters  |  [ExpireInvoiceRequest](#request-parameters--ExpireInvoiceRequest)	 |
-| Return Type  |  [Invoice](invoice/models/Invoice.md) |
-
-### Request Parameters — `ExpireInvoiceRequest`
-| Field Name |  Required  |   Type 	   |
-|-----------|:----------:|:----------:|
-|  invoiceId| ✅ | string |
-|  idempotencyKey|  | string |
-
-### Usage Examples
-#### Minimum API Usage
-```typescript
-import { Invoice } from 'xendit-node/invoice/models'
-
-const response: Invoice = await xenditInvoiceClient.expireInvoice({ 
-    invoiceId: "5f4708b7bd394b0400b96276",
-})
-```
 ## Get invoice by invoice id
 
 
@@ -88,7 +64,7 @@ const response: Invoice = await xenditInvoiceClient.expireInvoice({
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  invoiceId| ✅ | string |
-|  idempotencyKey|  | string |
+|  forUserId|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
@@ -112,6 +88,7 @@ const response: Invoice = await xenditInvoiceClient.getInvoiceById({
 ### Request Parameters — `GetInvoicesRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
+|  forUserId|  | string |
 |  externalId|  | string |
 |  statuses|  | [[]InvoiceStatus](invoice/models/InvoiceStatus.md) |
 |  limit|  | number |
@@ -126,7 +103,6 @@ const response: Invoice = await xenditInvoiceClient.getInvoiceById({
 |  paymentChannels|  | []string |
 |  onDemandLink|  | string |
 |  recurringPaymentId|  | string |
-|  idempotencyKey|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
@@ -135,3 +111,28 @@ import { Invoice } from 'xendit-node/invoice/models'
 
 const response: Invoice[] = await xenditInvoiceClient.getInvoices({ })
 ```
+## Manually expire an invoice
+
+
+### Function Signature
+| Name          |    Value 	     |
+|--------------------|:-------------:|
+| Function Name | `expireInvoice` |
+| Request Parameters  |  [ExpireInvoiceRequest](#request-parameters--ExpireInvoiceRequest)	 |
+| Return Type  |  [Invoice](invoice/models/Invoice.md) |
+
+### Request Parameters — `ExpireInvoiceRequest`
+| Field Name |  Required  |   Type 	   |
+|-----------|:----------:|:----------:|
+|  invoiceId| ✅ | string |
+|  forUserId|  | string |
+
+### Usage Examples
+#### Minimum API Usage
+```typescript
+import { Invoice } from 'xendit-node/invoice/models'
+
+const response: Invoice = await xenditInvoiceClient.expireInvoice({ 
+    invoiceId: "5f4708b7bd394b0400b96276",
+})
+```
diff --git a/docs/PaymentMethod.md b/docs/PaymentMethod.md
index 18ca016..b7271c5 100644
--- a/docs/PaymentMethod.md
+++ b/docs/PaymentMethod.md
@@ -15,32 +15,6 @@ const xenditPaymentMethodClient = new PaymentMethodClient({secretKey: YOUR_SECRE
 // or
 // xenditPaymentMethodClient.
 ```
-## Validate a payment method\'s linking OTP
-
-
-### Function Signature
-| Name          |    Value 	     |
-|--------------------|:-------------:|
-| Function Name | `authPaymentMethod` |
-| Request Parameters  |  [AuthPaymentMethodRequest](#request-parameters--AuthPaymentMethodRequest)	 |
-| Return Type  |  [PaymentMethod](payment_method/models/PaymentMethod.md) |
-
-### Request Parameters — `AuthPaymentMethodRequest`
-| Field Name |  Required  |   Type 	   |
-|-----------|:----------:|:----------:|
-|  paymentMethodId| ✅ | string |
-|  idempotencyKey|  | string |
-|  data|  | [PaymentMethodAuthParameters](payment_method/models/PaymentMethodAuthParameters.md) |
-
-### Usage Examples
-#### Minimum API Usage
-```typescript
-import { PaymentMethod } from 'xendit-node/payment_method/models'
-
-const response: PaymentMethod = await xenditPaymentMethodClient.authPaymentMethod({ 
-    paymentMethodId: "pm-1fdaf346-dd2e-4b6c-b938-124c7167a822",
-})
-```
 ## Creates payment method
 
 
@@ -54,6 +28,7 @@ const response: PaymentMethod = await xenditPaymentMethodClient.authPaymentMetho
 ### Request Parameters — `CreatePaymentMethodRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
+|  forUserId|  | string |
 |  data|  | [PaymentMethodParameters](payment_method/models/PaymentMethodParameters.md) |
 
 ### Usage Examples
@@ -121,148 +96,174 @@ const response: PaymentMethod = await xenditPaymentMethodClient.createPaymentMet
     data
 })
 ```
-## Expires a payment method
+## Get payment method by ID
 
 
 ### Function Signature
 | Name          |    Value 	     |
 |--------------------|:-------------:|
-| Function Name | `expirePaymentMethod` |
-| Request Parameters  |  [ExpirePaymentMethodRequest](#request-parameters--ExpirePaymentMethodRequest)	 |
+| Function Name | `getPaymentMethodByID` |
+| Request Parameters  |  [GetPaymentMethodByIDRequest](#request-parameters--GetPaymentMethodByIDRequest)	 |
 | Return Type  |  [PaymentMethod](payment_method/models/PaymentMethod.md) |
 
-### Request Parameters — `ExpirePaymentMethodRequest`
+### Request Parameters — `GetPaymentMethodByIDRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  paymentMethodId| ✅ | string |
-|  idempotencyKey|  | string |
-|  data|  | [PaymentMethodExpireParameters](payment_method/models/PaymentMethodExpireParameters.md) |
+|  forUserId|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
 ```typescript
 import { PaymentMethod } from 'xendit-node/payment_method/models'
 
-const response: PaymentMethod = await xenditPaymentMethodClient.expirePaymentMethod({ 
+const response: PaymentMethod = await xenditPaymentMethodClient.getPaymentMethodByID({ 
     paymentMethodId: "pm-1fdaf346-dd2e-4b6c-b938-124c7167a822",
 })
 ```
-## Get all payment methods by filters
+## Returns payments with matching PaymentMethodID.
 
 
 ### Function Signature
 | Name          |    Value 	     |
 |--------------------|:-------------:|
-| Function Name | `getAllPaymentMethods` |
-| Request Parameters  |  [GetAllPaymentMethodsRequest](#request-parameters--GetAllPaymentMethodsRequest)	 |
-| Return Type  |  [PaymentMethodList](payment_method/models/PaymentMethodList.md) |
+| Function Name | `getPaymentsByPaymentMethodId` |
+| Request Parameters  |  [GetPaymentsByPaymentMethodIdRequest](#request-parameters--GetPaymentsByPaymentMethodIdRequest)	 |
+| Return Type  |  object |
 
-### Request Parameters — `GetAllPaymentMethodsRequest`
+### Request Parameters — `GetPaymentsByPaymentMethodIdRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
-|  id|  | []string |
-|  type|  | []string |
-|  status|  | [[]PaymentMethodStatus](payment_method/models/PaymentMethodStatus.md) |
-|  reusability|  | [PaymentMethodReusability](payment_method/models/PaymentMethodReusability.md) |
-|  customerId|  | string |
-|  referenceId|  | string |
-|  afterId|  | string |
-|  beforeId|  | string |
+|  paymentMethodId| ✅ | string |
+|  forUserId|  | string |
+|  paymentRequestId|  | []string |
+|  paymentMethodId2|  | []string |
+|  referenceId|  | []string |
+|  paymentMethodType|  | [[]PaymentMethodType](payment_method/models/PaymentMethodType.md) |
+|  channelCode|  | []string |
+|  status|  | []string |
+|  currency|  | []string |
+|  createdGte|  | Date |
+|  createdLte|  | Date |
+|  updatedGte|  | Date |
+|  updatedLte|  | Date |
 |  limit|  | number |
-|  idempotencyKey|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
 ```typescript
-import { PaymentMethodList } from 'xendit-node/payment_method/models'
+import {  } from 'xendit-node/payment_method/models'
 
-const response: PaymentMethodList = await xenditPaymentMethodClient.getAllPaymentMethods({ })
+const response: object = await xenditPaymentMethodClient.getPaymentsByPaymentMethodId({ 
+    paymentMethodId: "pm-1fdaf346-dd2e-4b6c-b938-124c7167a822",
+})
 ```
-## Get payment method by ID
+## Patch payment methods
 
 
 ### Function Signature
 | Name          |    Value 	     |
 |--------------------|:-------------:|
-| Function Name | `getPaymentMethodByID` |
-| Request Parameters  |  [GetPaymentMethodByIDRequest](#request-parameters--GetPaymentMethodByIDRequest)	 |
+| Function Name | `patchPaymentMethod` |
+| Request Parameters  |  [PatchPaymentMethodRequest](#request-parameters--PatchPaymentMethodRequest)	 |
 | Return Type  |  [PaymentMethod](payment_method/models/PaymentMethod.md) |
 
-### Request Parameters — `GetPaymentMethodByIDRequest`
+### Request Parameters — `PatchPaymentMethodRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  paymentMethodId| ✅ | string |
-|  idempotencyKey|  | string |
+|  forUserId|  | string |
+|  data|  | [PaymentMethodUpdateParameters](payment_method/models/PaymentMethodUpdateParameters.md) |
 
 ### Usage Examples
 #### Minimum API Usage
 ```typescript
 import { PaymentMethod } from 'xendit-node/payment_method/models'
 
-const response: PaymentMethod = await xenditPaymentMethodClient.getPaymentMethodByID({ 
+const response: PaymentMethod = await xenditPaymentMethodClient.patchPaymentMethod({ 
     paymentMethodId: "pm-1fdaf346-dd2e-4b6c-b938-124c7167a822",
 })
 ```
-## Returns payments with matching PaymentMethodID.
+## Get all payment methods by filters
 
 
 ### Function Signature
 | Name          |    Value 	     |
 |--------------------|:-------------:|
-| Function Name | `getPaymentsByPaymentMethodId` |
-| Request Parameters  |  [GetPaymentsByPaymentMethodIdRequest](#request-parameters--GetPaymentsByPaymentMethodIdRequest)	 |
-| Return Type  |  object |
+| Function Name | `getAllPaymentMethods` |
+| Request Parameters  |  [GetAllPaymentMethodsRequest](#request-parameters--GetAllPaymentMethodsRequest)	 |
+| Return Type  |  [PaymentMethodList](payment_method/models/PaymentMethodList.md) |
 
-### Request Parameters — `GetPaymentsByPaymentMethodIdRequest`
+### Request Parameters — `GetAllPaymentMethodsRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
-|  paymentMethodId| ✅ | string |
-|  paymentRequestId|  | []string |
-|  paymentMethodId2|  | []string |
-|  referenceId|  | []string |
-|  paymentMethodType|  | [[]PaymentMethodType](payment_method/models/PaymentMethodType.md) |
-|  channelCode|  | []string |
-|  status|  | []string |
-|  currency|  | []string |
-|  createdGte|  | Date |
-|  createdLte|  | Date |
-|  updatedGte|  | Date |
-|  updatedLte|  | Date |
+|  forUserId|  | string |
+|  id|  | []string |
+|  type|  | []string |
+|  status|  | [[]PaymentMethodStatus](payment_method/models/PaymentMethodStatus.md) |
+|  reusability|  | [PaymentMethodReusability](payment_method/models/PaymentMethodReusability.md) |
+|  customerId|  | string |
+|  referenceId|  | string |
+|  afterId|  | string |
+|  beforeId|  | string |
 |  limit|  | number |
-|  idempotencyKey|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
 ```typescript
-import {  } from 'xendit-node/payment_method/models'
+import { PaymentMethodList } from 'xendit-node/payment_method/models'
 
-const response: object = await xenditPaymentMethodClient.getPaymentsByPaymentMethodId({ 
+const response: PaymentMethodList = await xenditPaymentMethodClient.getAllPaymentMethods({ })
+```
+## Expires a payment method
+
+
+### Function Signature
+| Name          |    Value 	     |
+|--------------------|:-------------:|
+| Function Name | `expirePaymentMethod` |
+| Request Parameters  |  [ExpirePaymentMethodRequest](#request-parameters--ExpirePaymentMethodRequest)	 |
+| Return Type  |  [PaymentMethod](payment_method/models/PaymentMethod.md) |
+
+### Request Parameters — `ExpirePaymentMethodRequest`
+| Field Name |  Required  |   Type 	   |
+|-----------|:----------:|:----------:|
+|  paymentMethodId| ✅ | string |
+|  forUserId|  | string |
+|  data|  | [PaymentMethodExpireParameters](payment_method/models/PaymentMethodExpireParameters.md) |
+
+### Usage Examples
+#### Minimum API Usage
+```typescript
+import { PaymentMethod } from 'xendit-node/payment_method/models'
+
+const response: PaymentMethod = await xenditPaymentMethodClient.expirePaymentMethod({ 
     paymentMethodId: "pm-1fdaf346-dd2e-4b6c-b938-124c7167a822",
 })
 ```
-## Patch payment methods
+## Validate a payment method\'s linking OTP
 
 
 ### Function Signature
 | Name          |    Value 	     |
 |--------------------|:-------------:|
-| Function Name | `patchPaymentMethod` |
-| Request Parameters  |  [PatchPaymentMethodRequest](#request-parameters--PatchPaymentMethodRequest)	 |
+| Function Name | `authPaymentMethod` |
+| Request Parameters  |  [AuthPaymentMethodRequest](#request-parameters--AuthPaymentMethodRequest)	 |
 | Return Type  |  [PaymentMethod](payment_method/models/PaymentMethod.md) |
 
-### Request Parameters — `PatchPaymentMethodRequest`
+### Request Parameters — `AuthPaymentMethodRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  paymentMethodId| ✅ | string |
-|  idempotencyKey|  | string |
-|  data|  | [PaymentMethodUpdateParameters](payment_method/models/PaymentMethodUpdateParameters.md) |
+|  forUserId|  | string |
+|  data|  | [PaymentMethodAuthParameters](payment_method/models/PaymentMethodAuthParameters.md) |
 
 ### Usage Examples
 #### Minimum API Usage
 ```typescript
 import { PaymentMethod } from 'xendit-node/payment_method/models'
 
-const response: PaymentMethod = await xenditPaymentMethodClient.patchPaymentMethod({ 
+const response: PaymentMethod = await xenditPaymentMethodClient.authPaymentMethod({ 
     paymentMethodId: "pm-1fdaf346-dd2e-4b6c-b938-124c7167a822",
 })
 ```
@@ -280,7 +281,6 @@ const response: PaymentMethod = await xenditPaymentMethodClient.patchPaymentMeth
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  paymentMethodId| ✅ | string |
-|  idempotencyKey|  | string |
 |  data|  | [SimulatePaymentRequest](payment_method/models/SimulatePaymentRequest.md) |
 
 ### Usage Examples
diff --git a/docs/PaymentRequest.md b/docs/PaymentRequest.md
index 38f8f52..ff3091b 100644
--- a/docs/PaymentRequest.md
+++ b/docs/PaymentRequest.md
@@ -15,58 +15,6 @@ const xenditPaymentRequestClient = new PaymentRequestClient({secretKey: YOUR_SEC
 // or
 // xenditPaymentRequestClient.
 ```
-## Payment Request Authorize
-
-
-### Function Signature
-| Name          |    Value 	     |
-|--------------------|:-------------:|
-| Function Name | `authorizePaymentRequest` |
-| Request Parameters  |  [AuthorizePaymentRequestRequest](#request-parameters--AuthorizePaymentRequestRequest)	 |
-| Return Type  |  [PaymentRequest](payment_request/models/PaymentRequest.md) |
-
-### Request Parameters — `AuthorizePaymentRequestRequest`
-| Field Name |  Required  |   Type 	   |
-|-----------|:----------:|:----------:|
-|  paymentRequestId| ✅ | string |
-|  idempotencyKey|  | string |
-|  data|  | [PaymentRequestAuthParameters](payment_request/models/PaymentRequestAuthParameters.md) |
-
-### Usage Examples
-#### Minimum API Usage
-```typescript
-import { PaymentRequest } from 'xendit-node/payment_request/models'
-
-const response: PaymentRequest = await xenditPaymentRequestClient.authorizePaymentRequest({ 
-    paymentRequestId: "pr-1fdaf346-dd2e-4b6c-b938-124c7167a822",
-})
-```
-## Payment Request Capture
-
-
-### Function Signature
-| Name          |    Value 	     |
-|--------------------|:-------------:|
-| Function Name | `capturePaymentRequest` |
-| Request Parameters  |  [CapturePaymentRequestRequest](#request-parameters--CapturePaymentRequestRequest)	 |
-| Return Type  |  [Capture](payment_request/models/Capture.md) |
-
-### Request Parameters — `CapturePaymentRequestRequest`
-| Field Name |  Required  |   Type 	   |
-|-----------|:----------:|:----------:|
-|  paymentRequestId| ✅ | string |
-|  idempotencyKey|  | string |
-|  data|  | [CaptureParameters](payment_request/models/CaptureParameters.md) |
-
-### Usage Examples
-#### Minimum API Usage
-```typescript
-import { Capture } from 'xendit-node/payment_request/models'
-
-const response: Capture = await xenditPaymentRequestClient.capturePaymentRequest({ 
-    paymentRequestId: "pr-1fdaf346-dd2e-4b6c-b938-124c7167a822",
-})
-```
 ## Create Payment Request
 
 
@@ -81,6 +29,7 @@ const response: Capture = await xenditPaymentRequestClient.capturePaymentRequest
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  idempotencyKey|  | string |
+|  forUserId|  | string |
 |  data|  | [PaymentRequestParameters](payment_request/models/PaymentRequestParameters.md) |
 
 ### Usage Examples
@@ -204,6 +153,57 @@ const response: PaymentRequest = await xenditPaymentRequestClient.createPaymentR
     data
 })
 ```
+## Get payment request by ID
+
+
+### Function Signature
+| Name          |    Value 	     |
+|--------------------|:-------------:|
+| Function Name | `getPaymentRequestByID` |
+| Request Parameters  |  [GetPaymentRequestByIDRequest](#request-parameters--GetPaymentRequestByIDRequest)	 |
+| Return Type  |  [PaymentRequest](payment_request/models/PaymentRequest.md) |
+
+### Request Parameters — `GetPaymentRequestByIDRequest`
+| Field Name |  Required  |   Type 	   |
+|-----------|:----------:|:----------:|
+|  paymentRequestId| ✅ | string |
+|  forUserId|  | string |
+
+### Usage Examples
+#### Minimum API Usage
+```typescript
+import { PaymentRequest } from 'xendit-node/payment_request/models'
+
+const response: PaymentRequest = await xenditPaymentRequestClient.getPaymentRequestByID({ 
+    paymentRequestId: "pr-1fdaf346-dd2e-4b6c-b938-124c7167a822",
+})
+```
+## Get Payment Request Capture
+
+
+### Function Signature
+| Name          |    Value 	     |
+|--------------------|:-------------:|
+| Function Name | `getPaymentRequestCaptures` |
+| Request Parameters  |  [GetPaymentRequestCapturesRequest](#request-parameters--GetPaymentRequestCapturesRequest)	 |
+| Return Type  |  [CaptureListResponse](payment_request/models/CaptureListResponse.md) |
+
+### Request Parameters — `GetPaymentRequestCapturesRequest`
+| Field Name |  Required  |   Type 	   |
+|-----------|:----------:|:----------:|
+|  paymentRequestId| ✅ | string |
+|  forUserId|  | string |
+|  limit|  | number |
+
+### Usage Examples
+#### Minimum API Usage
+```typescript
+import { CaptureListResponse } from 'xendit-node/payment_request/models'
+
+const response: CaptureListResponse = await xenditPaymentRequestClient.getPaymentRequestCaptures({ 
+    paymentRequestId: "pr-1fdaf346-dd2e-4b6c-b938-124c7167a822",
+})
+```
 ## Get all payment requests by filter
 
 
@@ -217,13 +217,13 @@ const response: PaymentRequest = await xenditPaymentRequestClient.createPaymentR
 ### Request Parameters — `GetAllPaymentRequestsRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
+|  forUserId|  | string |
 |  referenceId|  | []string |
 |  id|  | []string |
 |  customerId|  | []string |
 |  limit|  | number |
 |  beforeId|  | string |
 |  afterId|  | string |
-|  idempotencyKey|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
@@ -232,54 +232,55 @@ import { PaymentRequestListResponse } from 'xendit-node/payment_request/models'
 
 const response: PaymentRequestListResponse = await xenditPaymentRequestClient.getAllPaymentRequests({ })
 ```
-## Get payment request by ID
+## Payment Request Capture
 
 
 ### Function Signature
 | Name          |    Value 	     |
 |--------------------|:-------------:|
-| Function Name | `getPaymentRequestByID` |
-| Request Parameters  |  [GetPaymentRequestByIDRequest](#request-parameters--GetPaymentRequestByIDRequest)	 |
-| Return Type  |  [PaymentRequest](payment_request/models/PaymentRequest.md) |
+| Function Name | `capturePaymentRequest` |
+| Request Parameters  |  [CapturePaymentRequestRequest](#request-parameters--CapturePaymentRequestRequest)	 |
+| Return Type  |  [Capture](payment_request/models/Capture.md) |
 
-### Request Parameters — `GetPaymentRequestByIDRequest`
+### Request Parameters — `CapturePaymentRequestRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  paymentRequestId| ✅ | string |
-|  idempotencyKey|  | string |
+|  forUserId|  | string |
+|  data|  | [CaptureParameters](payment_request/models/CaptureParameters.md) |
 
 ### Usage Examples
 #### Minimum API Usage
 ```typescript
-import { PaymentRequest } from 'xendit-node/payment_request/models'
+import { Capture } from 'xendit-node/payment_request/models'
 
-const response: PaymentRequest = await xenditPaymentRequestClient.getPaymentRequestByID({ 
+const response: Capture = await xenditPaymentRequestClient.capturePaymentRequest({ 
     paymentRequestId: "pr-1fdaf346-dd2e-4b6c-b938-124c7167a822",
 })
 ```
-## Get Payment Request Capture
+## Payment Request Authorize
 
 
 ### Function Signature
 | Name          |    Value 	     |
 |--------------------|:-------------:|
-| Function Name | `getPaymentRequestCaptures` |
-| Request Parameters  |  [GetPaymentRequestCapturesRequest](#request-parameters--GetPaymentRequestCapturesRequest)	 |
-| Return Type  |  [CaptureListResponse](payment_request/models/CaptureListResponse.md) |
+| Function Name | `authorizePaymentRequest` |
+| Request Parameters  |  [AuthorizePaymentRequestRequest](#request-parameters--AuthorizePaymentRequestRequest)	 |
+| Return Type  |  [PaymentRequest](payment_request/models/PaymentRequest.md) |
 
-### Request Parameters — `GetPaymentRequestCapturesRequest`
+### Request Parameters — `AuthorizePaymentRequestRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  paymentRequestId| ✅ | string |
-|  limit|  | number |
-|  idempotencyKey|  | string |
+|  forUserId|  | string |
+|  data|  | [PaymentRequestAuthParameters](payment_request/models/PaymentRequestAuthParameters.md) |
 
 ### Usage Examples
 #### Minimum API Usage
 ```typescript
-import { CaptureListResponse } from 'xendit-node/payment_request/models'
+import { PaymentRequest } from 'xendit-node/payment_request/models'
 
-const response: CaptureListResponse = await xenditPaymentRequestClient.getPaymentRequestCaptures({ 
+const response: PaymentRequest = await xenditPaymentRequestClient.authorizePaymentRequest({ 
     paymentRequestId: "pr-1fdaf346-dd2e-4b6c-b938-124c7167a822",
 })
 ```
@@ -297,7 +298,7 @@ const response: CaptureListResponse = await xenditPaymentRequestClient.getPaymen
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  paymentRequestId| ✅ | string |
-|  idempotencyKey|  | string |
+|  forUserId|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
diff --git a/docs/Payout.md b/docs/Payout.md
index 6f8ff37..79d84f4 100644
--- a/docs/Payout.md
+++ b/docs/Payout.md
@@ -15,31 +15,6 @@ const xenditPayoutClient = new PayoutClient({secretKey: YOUR_SECRET_KEY})
 // or
 // xenditPayoutClient.
 ```
-## API to cancel requested payouts that have not yet been sent to partner banks and e-wallets. Cancellation is possible if the payout has not been sent out via our partner and when payout status is ACCEPTED.
-
-
-### Function Signature
-| Name          |    Value 	     |
-|--------------------|:-------------:|
-| Function Name | `cancelPayout` |
-| Request Parameters  |  [CancelPayoutRequest](#request-parameters--CancelPayoutRequest)	 |
-| Return Type  |  [GetPayouts200ResponseDataInner](payout/models/GetPayouts200ResponseDataInner.md) |
-
-### Request Parameters — `CancelPayoutRequest`
-| Field Name |  Required  |   Type 	   |
-|-----------|:----------:|:----------:|
-|  id| ✅ | string |
-|  idempotencyKey|  | string |
-
-### Usage Examples
-#### Minimum API Usage
-```typescript
-import { GetPayouts200ResponseDataInner } from 'xendit-node/payout/models'
-
-const response: GetPayouts200ResponseDataInner = await xenditPayoutClient.cancelPayout({ 
-    id: "disb-7baa7335-a0b2-4678-bb8c-318c0167f332",
-})
-```
 ## API to send money at scale to bank accounts & eWallets
 
 
@@ -95,7 +70,7 @@ const response: GetPayouts200ResponseDataInner = await xenditPayoutClient.create
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  id| ✅ | string |
-|  idempotencyKey|  | string |
+|  forUserId|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
@@ -122,7 +97,7 @@ const response: GetPayouts200ResponseDataInner = await xenditPayoutClient.getPay
 |  currency|  | string |
 |  channelCategory|  | [[]ChannelCategory](payout/models/ChannelCategory.md) |
 |  channelCode|  | string |
-|  idempotencyKey|  | string |
+|  forUserId|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
@@ -148,7 +123,7 @@ const response: Channel[] = await xenditPayoutClient.getPayoutChannels({ })
 |  limit|  | number |
 |  afterId|  | string |
 |  beforeId|  | string |
-|  idempotencyKey|  | string |
+|  forUserId|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
@@ -159,3 +134,28 @@ const response: GetPayouts200Response = await xenditPayoutClient.getPayouts({
     referenceId: "DISB-123",
 })
 ```
+## API to cancel requested payouts that have not yet been sent to partner banks and e-wallets. Cancellation is possible if the payout has not been sent out via our partner and when payout status is ACCEPTED.
+
+
+### Function Signature
+| Name          |    Value 	     |
+|--------------------|:-------------:|
+| Function Name | `cancelPayout` |
+| Request Parameters  |  [CancelPayoutRequest](#request-parameters--CancelPayoutRequest)	 |
+| Return Type  |  [GetPayouts200ResponseDataInner](payout/models/GetPayouts200ResponseDataInner.md) |
+
+### Request Parameters — `CancelPayoutRequest`
+| Field Name |  Required  |   Type 	   |
+|-----------|:----------:|:----------:|
+|  id| ✅ | string |
+|  forUserId|  | string |
+
+### Usage Examples
+#### Minimum API Usage
+```typescript
+import { GetPayouts200ResponseDataInner } from 'xendit-node/payout/models'
+
+const response: GetPayouts200ResponseDataInner = await xenditPayoutClient.cancelPayout({ 
+    id: "disb-7baa7335-a0b2-4678-bb8c-318c0167f332",
+})
+```
diff --git a/docs/Refund.md b/docs/Refund.md
index 9cde870..222a987 100644
--- a/docs/Refund.md
+++ b/docs/Refund.md
@@ -21,24 +21,23 @@ const xenditRefundClient = new RefundClient({secretKey: YOUR_SECRET_KEY})
 ### Function Signature
 | Name          |    Value 	     |
 |--------------------|:-------------:|
-| Function Name | `cancelRefund` |
-| Request Parameters  |  [CancelRefundRequest](#request-parameters--CancelRefundRequest)	 |
+| Function Name | `createRefund` |
+| Request Parameters  |  [CreateRefundRequest](#request-parameters--CreateRefundRequest)	 |
 | Return Type  |  [Refund](refund/models/Refund.md) |
 
-### Request Parameters — `CancelRefundRequest`
+### Request Parameters — `CreateRefundRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
-|  refundID| ✅ | string |
 |  idempotencyKey|  | string |
+|  forUserId|  | string |
+|  data|  | [CreateRefund](refund/models/CreateRefund.md) |
 
 ### Usage Examples
 #### Minimum API Usage
 ```typescript
 import { Refund } from 'xendit-node/refund/models'
 
-const response: Refund = await xenditRefundClient.cancelRefund({ 
-    refundID: "rfd-1fdaf346-dd2e-4b6c-b938-124c7167a822",
-})
+const response: Refund = await xenditRefundClient.createRefund({ })
 ```
 ## 
 
@@ -46,22 +45,25 @@ const response: Refund = await xenditRefundClient.cancelRefund({
 ### Function Signature
 | Name          |    Value 	     |
 |--------------------|:-------------:|
-| Function Name | `createRefund` |
-| Request Parameters  |  [CreateRefundRequest](#request-parameters--CreateRefundRequest)	 |
+| Function Name | `getRefund` |
+| Request Parameters  |  [GetRefundRequest](#request-parameters--GetRefundRequest)	 |
 | Return Type  |  [Refund](refund/models/Refund.md) |
 
-### Request Parameters — `CreateRefundRequest`
+### Request Parameters — `GetRefundRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
+|  refundID| ✅ | string |
 |  idempotencyKey|  | string |
-|  data|  | [CreateRefund](refund/models/CreateRefund.md) |
+|  forUserId|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
 ```typescript
 import { Refund } from 'xendit-node/refund/models'
 
-const response: Refund = await xenditRefundClient.createRefund({ })
+const response: Refund = await xenditRefundClient.getRefund({ 
+    refundID: "rfd-1fdaf346-dd2e-4b6c-b938-124c7167a822",
+})
 ```
 ## 
 
@@ -76,6 +78,14 @@ const response: Refund = await xenditRefundClient.createRefund({ })
 ### Request Parameters — `GetAllRefundsRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
+|  forUserId|  | string |
+|  paymentRequestId|  | string |
+|  invoiceId|  | string |
+|  paymentMethodType|  | string |
+|  channelCode|  | string |
+|  limit|  | number |
+|  afterId|  | string |
+|  beforeId|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
@@ -90,22 +100,23 @@ const response: RefundList = await xenditRefundClient.getAllRefunds({ })
 ### Function Signature
 | Name          |    Value 	     |
 |--------------------|:-------------:|
-| Function Name | `getRefund` |
-| Request Parameters  |  [GetRefundRequest](#request-parameters--GetRefundRequest)	 |
+| Function Name | `cancelRefund` |
+| Request Parameters  |  [CancelRefundRequest](#request-parameters--CancelRefundRequest)	 |
 | Return Type  |  [Refund](refund/models/Refund.md) |
 
-### Request Parameters — `GetRefundRequest`
+### Request Parameters — `CancelRefundRequest`
 | Field Name |  Required  |   Type 	   |
 |-----------|:----------:|:----------:|
 |  refundID| ✅ | string |
 |  idempotencyKey|  | string |
+|  forUserId|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
 ```typescript
 import { Refund } from 'xendit-node/refund/models'
 
-const response: Refund = await xenditRefundClient.getRefund({ 
+const response: Refund = await xenditRefundClient.cancelRefund({ 
     refundID: "rfd-1fdaf346-dd2e-4b6c-b938-124c7167a822",
 })
 ```
diff --git a/docs/Transaction.md b/docs/Transaction.md
index 5d7528b..dea227a 100644
--- a/docs/Transaction.md
+++ b/docs/Transaction.md
@@ -15,6 +15,31 @@ const xenditTransactionClient = new TransactionClient({secretKey: YOUR_SECRET_KE
 // or
 // xenditTransactionClient.
 ```
+## Get a transaction based on its id
+
+
+### Function Signature
+| Name          |    Value 	     |
+|--------------------|:-------------:|
+| Function Name | `getTransactionByID` |
+| Request Parameters  |  [GetTransactionByIDRequest](#request-parameters--GetTransactionByIDRequest)	 |
+| Return Type  |  [TransactionResponse](balance_and_transaction/models/TransactionResponse.md) |
+
+### Request Parameters — `GetTransactionByIDRequest`
+| Field Name |  Required  |   Type 	   |
+|-----------|:----------:|:----------:|
+|  id| ✅ | string |
+|  forUserId|  | string |
+
+### Usage Examples
+#### Minimum API Usage
+```typescript
+import { TransactionResponse } from 'xendit-node/balance_and_transaction/models'
+
+const response: TransactionResponse = await xenditTransactionClient.getTransactionByID({ 
+    id: "id_example",
+})
+```
 ## Get a list of transactions
 
 
@@ -42,7 +67,6 @@ const xenditTransactionClient = new TransactionClient({secretKey: YOUR_SECRET_KE
 |  limit|  | number |
 |  afterId|  | string |
 |  beforeId|  | string |
-|  idempotencyKey|  | string |
 
 ### Usage Examples
 #### Minimum API Usage
@@ -51,29 +75,3 @@ import { TransactionsResponse } from 'xendit-node/balance_and_transaction/models
 
 const response: TransactionsResponse = await xenditTransactionClient.getAllTransactions({ })
 ```
-## Get a transaction based on its id
-
-
-### Function Signature
-| Name          |    Value 	     |
-|--------------------|:-------------:|
-| Function Name | `getTransactionByID` |
-| Request Parameters  |  [GetTransactionByIDRequest](#request-parameters--GetTransactionByIDRequest)	 |
-| Return Type  |  [TransactionResponse](balance_and_transaction/models/TransactionResponse.md) |
-
-### Request Parameters — `GetTransactionByIDRequest`
-| Field Name |  Required  |   Type 	   |
-|-----------|:----------:|:----------:|
-|  id| ✅ | string |
-|  forUserId|  | string |
-|  idempotencyKey|  | string |
-
-### Usage Examples
-#### Minimum API Usage
-```typescript
-import { TransactionResponse } from 'xendit-node/balance_and_transaction/models'
-
-const response: TransactionResponse = await xenditTransactionClient.getTransactionByID({ 
-    id: "id_example",
-})
-```
diff --git a/docs/balance_and_transaction/models/ChannelsCategories.md b/docs/balance_and_transaction/models/ChannelsCategories.md
index 9e5982c..dad326d 100644
--- a/docs/balance_and_transaction/models/ChannelsCategories.md
+++ b/docs/balance_and_transaction/models/ChannelsCategories.md
@@ -34,4 +34,7 @@
 
     * `Other` (value: `'OTHER'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/balance_and_transaction/models/Currency.md b/docs/balance_and_transaction/models/Currency.md
index 47343a2..25bf093 100644
--- a/docs/balance_and_transaction/models/Currency.md
+++ b/docs/balance_and_transaction/models/Currency.md
@@ -330,4 +330,7 @@
 
     * `Zwd` (value: `'ZWD'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/balance_and_transaction/models/TransactionStatuses.md b/docs/balance_and_transaction/models/TransactionStatuses.md
index 9833a71..ef24108 100644
--- a/docs/balance_and_transaction/models/TransactionStatuses.md
+++ b/docs/balance_and_transaction/models/TransactionStatuses.md
@@ -16,4 +16,7 @@
 
     * `Voided` (value: `'VOIDED'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/balance_and_transaction/models/TransactionTypes.md b/docs/balance_and_transaction/models/TransactionTypes.md
index 65697b8..c7fb5b2 100644
--- a/docs/balance_and_transaction/models/TransactionTypes.md
+++ b/docs/balance_and_transaction/models/TransactionTypes.md
@@ -32,4 +32,7 @@
 
     * `Other` (value: `'OTHER'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/customer/models/AddressStatus.md b/docs/customer/models/AddressStatus.md
index 2c455e6..b6cb7c1 100644
--- a/docs/customer/models/AddressStatus.md
+++ b/docs/customer/models/AddressStatus.md
@@ -10,4 +10,7 @@
 
     * `Deleted` (value: `'DELETED'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/customer/models/EndCustomerStatus.md b/docs/customer/models/EndCustomerStatus.md
index cc7c0ca..2731ddd 100644
--- a/docs/customer/models/EndCustomerStatus.md
+++ b/docs/customer/models/EndCustomerStatus.md
@@ -16,4 +16,7 @@
 
     * `Deleted` (value: `'DELETED'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/customer/models/IdentityAccountType.md b/docs/customer/models/IdentityAccountType.md
index 6a24388..5d5eba0 100644
--- a/docs/customer/models/IdentityAccountType.md
+++ b/docs/customer/models/IdentityAccountType.md
@@ -18,4 +18,7 @@
 
     * `QrCode` (value: `'QR_CODE'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/customer/models/KycDocumentSubType.md b/docs/customer/models/KycDocumentSubType.md
index 604b5fd..dc0ad92 100644
--- a/docs/customer/models/KycDocumentSubType.md
+++ b/docs/customer/models/KycDocumentSubType.md
@@ -26,4 +26,7 @@
 
     * `Others` (value: `'OTHERS'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/customer/models/KycDocumentType.md b/docs/customer/models/KycDocumentType.md
index 6bc9275..6d34fa6 100644
--- a/docs/customer/models/KycDocumentType.md
+++ b/docs/customer/models/KycDocumentType.md
@@ -22,4 +22,7 @@
 
     * `BusinessLicense` (value: `'BUSINESS_LICENSE'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/invoice/models/BankCode.md b/docs/invoice/models/BankCode.md
index 810aed7..8d87edf 100644
--- a/docs/invoice/models/BankCode.md
+++ b/docs/invoice/models/BankCode.md
@@ -26,4 +26,7 @@ Representing the available bank channels used for invoice-related transactions.
 
     * `Bnc` (value: `'BNC'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/invoice/models/DirectDebitType.md b/docs/invoice/models/DirectDebitType.md
index 7c8f6f1..42af4e8 100644
--- a/docs/invoice/models/DirectDebitType.md
+++ b/docs/invoice/models/DirectDebitType.md
@@ -44,4 +44,7 @@ Representing the available Direct Debit channels used for invoice-related transa
 
     * `DcChinabank` (value: `'DC_CHINABANK'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/invoice/models/EwalletType.md b/docs/invoice/models/EwalletType.md
index 33b559e..40bca8c 100644
--- a/docs/invoice/models/EwalletType.md
+++ b/docs/invoice/models/EwalletType.md
@@ -26,4 +26,7 @@ Representing the available eWallet channels used for invoice-related transaction
 
     * `Jeniuspay` (value: `'JENIUSPAY'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/invoice/models/InvoiceClientType.md b/docs/invoice/models/InvoiceClientType.md
index efffcf2..ec3fbc4 100644
--- a/docs/invoice/models/InvoiceClientType.md
+++ b/docs/invoice/models/InvoiceClientType.md
@@ -18,4 +18,7 @@ Representing the client type or source of an invoice.
 
     * `Mobile` (value: `'MOBILE'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/invoice/models/InvoiceCurrency.md b/docs/invoice/models/InvoiceCurrency.md
index 49f4f1f..6a82242 100644
--- a/docs/invoice/models/InvoiceCurrency.md
+++ b/docs/invoice/models/InvoiceCurrency.md
@@ -16,4 +16,7 @@ Representing the currency used for an invoice.
 
     * `Php` (value: `'PHP'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/invoice/models/InvoicePaymentMethod.md b/docs/invoice/models/InvoicePaymentMethod.md
index ed5a15f..30a18c0 100644
--- a/docs/invoice/models/InvoicePaymentMethod.md
+++ b/docs/invoice/models/InvoicePaymentMethod.md
@@ -26,4 +26,7 @@ Representing the payment method used for an invoice.
 
     * `Paylater` (value: `'PAYLATER'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/invoice/models/InvoiceStatus.md b/docs/invoice/models/InvoiceStatus.md
index 79dd27b..019ebc3 100644
--- a/docs/invoice/models/InvoiceStatus.md
+++ b/docs/invoice/models/InvoiceStatus.md
@@ -14,4 +14,7 @@ Representing the status of an invoice.
 
     * `Expired` (value: `'EXPIRED'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/invoice/models/NotificationChannel.md b/docs/invoice/models/NotificationChannel.md
index da61671..58164b2 100644
--- a/docs/invoice/models/NotificationChannel.md
+++ b/docs/invoice/models/NotificationChannel.md
@@ -14,4 +14,7 @@ Representing a notification channel for sending messages.
 
     * `Viber` (value: `'viber'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/invoice/models/PaylaterType.md b/docs/invoice/models/PaylaterType.md
index 232b416..ffbc1c3 100644
--- a/docs/invoice/models/PaylaterType.md
+++ b/docs/invoice/models/PaylaterType.md
@@ -18,4 +18,7 @@ Representing the available paylater channels used for invoice-related transactio
 
     * `Atome` (value: `'ATOME'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/invoice/models/QrCodeType.md b/docs/invoice/models/QrCodeType.md
index db69989..137488c 100644
--- a/docs/invoice/models/QrCodeType.md
+++ b/docs/invoice/models/QrCodeType.md
@@ -10,4 +10,7 @@ Representing the available QR Code channels used for invoice-related transaction
 
     * `Promptpay` (value: `'PROMPTPAY'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/invoice/models/RetailOutletName.md b/docs/invoice/models/RetailOutletName.md
index 06620b3..7e6613e 100644
--- a/docs/invoice/models/RetailOutletName.md
+++ b/docs/invoice/models/RetailOutletName.md
@@ -24,4 +24,7 @@ Representing the available retail outlet channels used for invoice-related trans
 
     * `Lbc` (value: `'LBC'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_method/models/DirectDebitChannelCode.md b/docs/payment_method/models/DirectDebitChannelCode.md
index e7a3c72..4ded045 100644
--- a/docs/payment_method/models/DirectDebitChannelCode.md
+++ b/docs/payment_method/models/DirectDebitChannelCode.md
@@ -132,4 +132,7 @@ Direct Debit Channel Code
 
     * `UobFpxBusiness` (value: `'UOB_FPX_BUSINESS'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_method/models/DirectDebitType.md b/docs/payment_method/models/DirectDebitType.md
index 219cdf3..d5306a9 100644
--- a/docs/payment_method/models/DirectDebitType.md
+++ b/docs/payment_method/models/DirectDebitType.md
@@ -12,4 +12,7 @@
 
     * `BankRedirect` (value: `'BANK_REDIRECT'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_method/models/EWalletChannelCode.md b/docs/payment_method/models/EWalletChannelCode.md
index ad5a207..177c984 100644
--- a/docs/payment_method/models/EWalletChannelCode.md
+++ b/docs/payment_method/models/EWalletChannelCode.md
@@ -46,4 +46,7 @@ EWallet Channel Code
 
     * `Alipay` (value: `'ALIPAY'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_method/models/OverTheCounterChannelCode.md b/docs/payment_method/models/OverTheCounterChannelCode.md
index 73e48f2..f72550a 100644
--- a/docs/payment_method/models/OverTheCounterChannelCode.md
+++ b/docs/payment_method/models/OverTheCounterChannelCode.md
@@ -38,4 +38,7 @@ Over The Counter Channel Code
 
     * `Indomaret` (value: `'INDOMARET'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_method/models/PaymentMethodCountry.md b/docs/payment_method/models/PaymentMethodCountry.md
index 3a1eca0..e75a836 100644
--- a/docs/payment_method/models/PaymentMethodCountry.md
+++ b/docs/payment_method/models/PaymentMethodCountry.md
@@ -16,4 +16,7 @@
 
     * `My` (value: `'MY'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_method/models/PaymentMethodReusability.md b/docs/payment_method/models/PaymentMethodReusability.md
index 86fa5b1..35f188a 100644
--- a/docs/payment_method/models/PaymentMethodReusability.md
+++ b/docs/payment_method/models/PaymentMethodReusability.md
@@ -10,4 +10,7 @@
 
     * `OneTimeUse` (value: `'ONE_TIME_USE'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_method/models/PaymentMethodStatus.md b/docs/payment_method/models/PaymentMethodStatus.md
index 639dca7..6356714 100644
--- a/docs/payment_method/models/PaymentMethodStatus.md
+++ b/docs/payment_method/models/PaymentMethodStatus.md
@@ -18,4 +18,7 @@
 
     * `Failed` (value: `'FAILED'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_method/models/PaymentMethodType.md b/docs/payment_method/models/PaymentMethodType.md
index 6f7ab3b..f7c7267 100644
--- a/docs/payment_method/models/PaymentMethodType.md
+++ b/docs/payment_method/models/PaymentMethodType.md
@@ -22,4 +22,7 @@
 
     * `VirtualAccount` (value: `'VIRTUAL_ACCOUNT'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_method/models/QrCodeChannelCode.md b/docs/payment_method/models/QrCodeChannelCode.md
index 6ce748c..bc9dc45 100644
--- a/docs/payment_method/models/QrCodeChannelCode.md
+++ b/docs/payment_method/models/QrCodeChannelCode.md
@@ -16,4 +16,7 @@ QR Code Channel Code
 
     * `Linkaja` (value: `'LINKAJA'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_method/models/VirtualAccountChannelCode.md b/docs/payment_method/models/VirtualAccountChannelCode.md
index 119dc20..f691f52 100644
--- a/docs/payment_method/models/VirtualAccountChannelCode.md
+++ b/docs/payment_method/models/VirtualAccountChannelCode.md
@@ -36,4 +36,7 @@ Virtual Account Channel Code
 
     * `StandardChartered` (value: `'STANDARD_CHARTERED'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/DirectDebitChannelCode.md b/docs/payment_request/models/DirectDebitChannelCode.md
index 893eb49..f7d6ed0 100644
--- a/docs/payment_request/models/DirectDebitChannelCode.md
+++ b/docs/payment_request/models/DirectDebitChannelCode.md
@@ -132,4 +132,7 @@ Direct Debit Channel Code
 
     * `UobFpxBusiness` (value: `'UOB_FPX_BUSINESS'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/DirectDebitType.md b/docs/payment_request/models/DirectDebitType.md
index 219cdf3..d5306a9 100644
--- a/docs/payment_request/models/DirectDebitType.md
+++ b/docs/payment_request/models/DirectDebitType.md
@@ -12,4 +12,7 @@
 
     * `BankRedirect` (value: `'BANK_REDIRECT'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/EWalletChannelCode.md b/docs/payment_request/models/EWalletChannelCode.md
index a8c3bad..32201e6 100644
--- a/docs/payment_request/models/EWalletChannelCode.md
+++ b/docs/payment_request/models/EWalletChannelCode.md
@@ -44,4 +44,7 @@ Ewallet Channel Code
 
     * `Alipay` (value: `'ALIPAY'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/OverTheCounterChannelCode.md b/docs/payment_request/models/OverTheCounterChannelCode.md
index 73e48f2..f72550a 100644
--- a/docs/payment_request/models/OverTheCounterChannelCode.md
+++ b/docs/payment_request/models/OverTheCounterChannelCode.md
@@ -38,4 +38,7 @@ Over The Counter Channel Code
 
     * `Indomaret` (value: `'INDOMARET'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/PaymentMethodReusability.md b/docs/payment_request/models/PaymentMethodReusability.md
index 86fa5b1..35f188a 100644
--- a/docs/payment_request/models/PaymentMethodReusability.md
+++ b/docs/payment_request/models/PaymentMethodReusability.md
@@ -10,4 +10,7 @@
 
     * `OneTimeUse` (value: `'ONE_TIME_USE'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/PaymentMethodStatus.md b/docs/payment_request/models/PaymentMethodStatus.md
index 1190e09..9b36a74 100644
--- a/docs/payment_request/models/PaymentMethodStatus.md
+++ b/docs/payment_request/models/PaymentMethodStatus.md
@@ -16,4 +16,7 @@
 
     * `Failed` (value: `'FAILED'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/PaymentMethodType.md b/docs/payment_request/models/PaymentMethodType.md
index 66f2382..c7b02d5 100644
--- a/docs/payment_request/models/PaymentMethodType.md
+++ b/docs/payment_request/models/PaymentMethodType.md
@@ -18,4 +18,7 @@
 
     * `VirtualAccount` (value: `'VIRTUAL_ACCOUNT'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/PaymentRequestCaptureMethod.md b/docs/payment_request/models/PaymentRequestCaptureMethod.md
index cfd9529..95235de 100644
--- a/docs/payment_request/models/PaymentRequestCaptureMethod.md
+++ b/docs/payment_request/models/PaymentRequestCaptureMethod.md
@@ -10,4 +10,7 @@
 
     * `Manual` (value: `'MANUAL'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/PaymentRequestCountry.md b/docs/payment_request/models/PaymentRequestCountry.md
index 126a8c1..9c77d6d 100644
--- a/docs/payment_request/models/PaymentRequestCountry.md
+++ b/docs/payment_request/models/PaymentRequestCountry.md
@@ -16,4 +16,7 @@
 
     * `My` (value: `'MY'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/PaymentRequestCurrency.md b/docs/payment_request/models/PaymentRequestCurrency.md
index 7030e93..423ddda 100644
--- a/docs/payment_request/models/PaymentRequestCurrency.md
+++ b/docs/payment_request/models/PaymentRequestCurrency.md
@@ -16,4 +16,7 @@
 
     * `Myr` (value: `'MYR'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/PaymentRequestInitiator.md b/docs/payment_request/models/PaymentRequestInitiator.md
index f71cfe8..d43d100 100644
--- a/docs/payment_request/models/PaymentRequestInitiator.md
+++ b/docs/payment_request/models/PaymentRequestInitiator.md
@@ -10,4 +10,7 @@
 
     * `Merchant` (value: `'MERCHANT'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/PaymentRequestStatus.md b/docs/payment_request/models/PaymentRequestStatus.md
index eedb88c..d8f8fd1 100644
--- a/docs/payment_request/models/PaymentRequestStatus.md
+++ b/docs/payment_request/models/PaymentRequestStatus.md
@@ -22,4 +22,7 @@
 
     * `AwaitingCapture` (value: `'AWAITING_CAPTURE'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/QrCodeChannelCode.md b/docs/payment_request/models/QrCodeChannelCode.md
index 6d19e30..981c53e 100644
--- a/docs/payment_request/models/QrCodeChannelCode.md
+++ b/docs/payment_request/models/QrCodeChannelCode.md
@@ -14,4 +14,7 @@ QR Code Channel Code
 
     * `Promptpay` (value: `'PROMPTPAY'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payment_request/models/VirtualAccountChannelCode.md b/docs/payment_request/models/VirtualAccountChannelCode.md
index 119dc20..f691f52 100644
--- a/docs/payment_request/models/VirtualAccountChannelCode.md
+++ b/docs/payment_request/models/VirtualAccountChannelCode.md
@@ -36,4 +36,7 @@ Virtual Account Channel Code
 
     * `StandardChartered` (value: `'STANDARD_CHARTERED'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payout/models/ChannelAccountType.md b/docs/payout/models/ChannelAccountType.md
index 7e602fc..7848ca5 100644
--- a/docs/payout/models/ChannelAccountType.md
+++ b/docs/payout/models/ChannelAccountType.md
@@ -16,4 +16,7 @@ Available account types (applicable for MY_DUITNOW)
 
     * `BankAccount` (value: `'BANK_ACCOUNT'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/payout/models/ChannelCategory.md b/docs/payout/models/ChannelCategory.md
index f0f4ec1..3dc6f40 100644
--- a/docs/payout/models/ChannelCategory.md
+++ b/docs/payout/models/ChannelCategory.md
@@ -12,4 +12,7 @@ Category of channel code, as some channels might require more fields during proc
 
     * `Otc` (value: `'OTC'`)
 
+    * `XenditEnumDefaultFallback` (value: `UNKNOWN_ENUM_VALUE`)
+
+If you encounter `UNKNOWN_ENUM_VALUE`, it means that this ENUM is unavailable in your current SDK version. Please upgrade to get the newest ENUM.
 
diff --git a/docs/refund/models/CreateRefundDefaultResponse.md b/docs/refund/models/GetAllRefundsDefaultResponse.md
similarity index 85%
rename from docs/refund/models/CreateRefundDefaultResponse.md
rename to docs/refund/models/GetAllRefundsDefaultResponse.md
index fcded37..753f48c 100644
--- a/docs/refund/models/CreateRefundDefaultResponse.md
+++ b/docs/refund/models/GetAllRefundsDefaultResponse.md
@@ -1,4 +1,4 @@
-# CreateRefundDefaultResponse
+# GetAllRefundsDefaultResponse
 
 
 
diff --git a/invoice/apis/Invoice.ts b/invoice/apis/Invoice.ts
index e106734..1aa5b2d 100644
--- a/invoice/apis/Invoice.ts
+++ b/invoice/apis/Invoice.ts
@@ -45,19 +45,16 @@ import {
 
 export interface CreateInvoiceOperationRequest {
     data: CreateInvoiceRequest;
-}
-
-export interface ExpireInvoiceRequest {
-    invoiceId: string;
-    idempotencyKey?: string;
+    forUserId?: string;
 }
 
 export interface GetInvoiceByIdRequest {
     invoiceId: string;
-    idempotencyKey?: string;
+    forUserId?: string;
 }
 
 export interface GetInvoicesRequest {
+    forUserId?: string;
     externalId?: string;
     statuses?: Array<InvoiceStatus>;
     limit?: number;
@@ -72,7 +69,11 @@ export interface GetInvoicesRequest {
     paymentChannels?: Array<string>;
     onDemandLink?: string;
     recurringPaymentId?: string;
-    idempotencyKey?: string;
+}
+
+export interface ExpireInvoiceRequest {
+    invoiceId: string;
+    forUserId?: string;
 }
 
 /**
@@ -106,6 +107,10 @@ export class InvoiceApi extends runtime.BaseAPI {
 
         headerParameters['Content-Type'] = 'application/json';
 
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
+        }
+
         const response = await this.request({
             path: `/v2/invoices/`,
             method: 'POST',
@@ -125,41 +130,6 @@ export class InvoiceApi extends runtime.BaseAPI {
         return await response.value();
     }
 
-    /**
-     * Manually expire an invoice
-     */
-    private async expireInvoiceRaw(requestParameters: ExpireInvoiceRequest): Promise<runtime.ApiResponse<Invoice>> {
-        if (requestParameters.invoiceId === null || requestParameters.invoiceId === undefined) {
-            throw new runtime.RequiredError('invoiceId','Required parameter requestParameters.invoiceId was null or undefined when calling expireInvoice.');
-        }
-
-        const queryParameters: any = {};
-
-        const headerParameters: runtime.HTTPHeaders = {};
-        headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
-
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
-        }
-
-        const response = await this.request({
-            path: `/invoices/{invoice_id}/expire!`.replace(`{${"invoice_id"}}`, encodeURIComponent(String(requestParameters.invoiceId))),
-            method: 'POST',
-            headers: headerParameters,
-            query: queryParameters,
-        });
-
-        return new runtime.JSONApiResponse(response, (jsonValue) => InvoiceFromJSON(jsonValue));
-    }
-
-    /**
-     * Manually expire an invoice
-     */
-    async expireInvoice(requestParameters: ExpireInvoiceRequest): Promise<Invoice> {
-        const response = await this.expireInvoiceRaw(requestParameters);
-        return await response.value();
-    }
-
     /**
      * Get invoice by invoice id
      */
@@ -173,8 +143,8 @@ export class InvoiceApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
@@ -260,8 +230,8 @@ export class InvoiceApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
@@ -282,4 +252,39 @@ export class InvoiceApi extends runtime.BaseAPI {
         return await response.value();
     }
 
+    /**
+     * Manually expire an invoice
+     */
+    private async expireInvoiceRaw(requestParameters: ExpireInvoiceRequest): Promise<runtime.ApiResponse<Invoice>> {
+        if (requestParameters.invoiceId === null || requestParameters.invoiceId === undefined) {
+            throw new runtime.RequiredError('invoiceId','Required parameter requestParameters.invoiceId was null or undefined when calling expireInvoice.');
+        }
+
+        const queryParameters: any = {};
+
+        const headerParameters: runtime.HTTPHeaders = {};
+        headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
+
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
+        }
+
+        const response = await this.request({
+            path: `/invoices/{invoice_id}/expire!`.replace(`{${"invoice_id"}}`, encodeURIComponent(String(requestParameters.invoiceId))),
+            method: 'POST',
+            headers: headerParameters,
+            query: queryParameters,
+        });
+
+        return new runtime.JSONApiResponse(response, (jsonValue) => InvoiceFromJSON(jsonValue));
+    }
+
+    /**
+     * Manually expire an invoice
+     */
+    async expireInvoice(requestParameters: ExpireInvoiceRequest): Promise<Invoice> {
+        const response = await this.expireInvoiceRaw(requestParameters);
+        return await response.value();
+    }
+
 }
diff --git a/invoice/models/BankCode.ts b/invoice/models/BankCode.ts
index 22ae5ca..72a1e01 100644
--- a/invoice/models/BankCode.ts
+++ b/invoice/models/BankCode.ts
@@ -21,7 +21,8 @@ export const BankCode = {
     Bjb: 'BJB',
     SahabatSampoerna: 'SAHABAT_SAMPOERNA',
     Cimb: 'CIMB',
-    Bnc: 'BNC'
+    Bnc: 'BNC',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type BankCode = typeof BankCode[keyof typeof BankCode];
 
@@ -31,6 +32,11 @@ export function BankCodeFromJSON(json: any): BankCode {
 }
 
 export function BankCodeFromJSONTyped(json: any, ignoreDiscriminator: boolean): BankCode {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(BankCode)[Object.values(BankCode).indexOf(json)]
+        return BankCode[key] === undefined ?
+            BankCode['XenditEnumDefaultFallback'] : BankCode[key]
+    }
     return json as BankCode;
 }
 
diff --git a/invoice/models/DirectDebitType.ts b/invoice/models/DirectDebitType.ts
index 0a65f13..271eca1 100644
--- a/invoice/models/DirectDebitType.ts
+++ b/invoice/models/DirectDebitType.ts
@@ -30,7 +30,8 @@ export const DirectDebitType = {
     DdRcbc: 'DD_RCBC',
     DdChinabank: 'DD_CHINABANK',
     BaChinabank: 'BA_CHINABANK',
-    DcChinabank: 'DC_CHINABANK'
+    DcChinabank: 'DC_CHINABANK',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type DirectDebitType = typeof DirectDebitType[keyof typeof DirectDebitType];
 
@@ -40,6 +41,11 @@ export function DirectDebitTypeFromJSON(json: any): DirectDebitType {
 }
 
 export function DirectDebitTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): DirectDebitType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(DirectDebitType)[Object.values(DirectDebitType).indexOf(json)]
+        return DirectDebitType[key] === undefined ?
+            DirectDebitType['XenditEnumDefaultFallback'] : DirectDebitType[key]
+    }
     return json as DirectDebitType;
 }
 
diff --git a/invoice/models/EwalletType.ts b/invoice/models/EwalletType.ts
index fcbb2b7..d36e690 100644
--- a/invoice/models/EwalletType.ts
+++ b/invoice/models/EwalletType.ts
@@ -21,7 +21,8 @@ export const EwalletType = {
     Grabpay: 'GRABPAY',
     Astrapay: 'ASTRAPAY',
     Nexcash: 'NEXCASH',
-    Jeniuspay: 'JENIUSPAY'
+    Jeniuspay: 'JENIUSPAY',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type EwalletType = typeof EwalletType[keyof typeof EwalletType];
 
@@ -31,6 +32,11 @@ export function EwalletTypeFromJSON(json: any): EwalletType {
 }
 
 export function EwalletTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): EwalletType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(EwalletType)[Object.values(EwalletType).indexOf(json)]
+        return EwalletType[key] === undefined ?
+            EwalletType['XenditEnumDefaultFallback'] : EwalletType[key]
+    }
     return json as EwalletType;
 }
 
diff --git a/invoice/models/InvoiceClientType.ts b/invoice/models/InvoiceClientType.ts
index ce4848b..eba6d22 100644
--- a/invoice/models/InvoiceClientType.ts
+++ b/invoice/models/InvoiceClientType.ts
@@ -17,7 +17,8 @@ export const InvoiceClientType = {
     Integration: 'INTEGRATION',
     OnDemand: 'ON_DEMAND',
     Recurring: 'RECURRING',
-    Mobile: 'MOBILE'
+    Mobile: 'MOBILE',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type InvoiceClientType = typeof InvoiceClientType[keyof typeof InvoiceClientType];
 
@@ -27,6 +28,11 @@ export function InvoiceClientTypeFromJSON(json: any): InvoiceClientType {
 }
 
 export function InvoiceClientTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): InvoiceClientType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(InvoiceClientType)[Object.values(InvoiceClientType).indexOf(json)]
+        return InvoiceClientType[key] === undefined ?
+            InvoiceClientType['XenditEnumDefaultFallback'] : InvoiceClientType[key]
+    }
     return json as InvoiceClientType;
 }
 
diff --git a/invoice/models/InvoiceCurrency.ts b/invoice/models/InvoiceCurrency.ts
index 09aee7e..5d4c4a8 100644
--- a/invoice/models/InvoiceCurrency.ts
+++ b/invoice/models/InvoiceCurrency.ts
@@ -16,7 +16,8 @@ export const InvoiceCurrency = {
     Usd: 'USD',
     Thb: 'THB',
     Vnd: 'VND',
-    Php: 'PHP'
+    Php: 'PHP',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type InvoiceCurrency = typeof InvoiceCurrency[keyof typeof InvoiceCurrency];
 
@@ -26,6 +27,11 @@ export function InvoiceCurrencyFromJSON(json: any): InvoiceCurrency {
 }
 
 export function InvoiceCurrencyFromJSONTyped(json: any, ignoreDiscriminator: boolean): InvoiceCurrency {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(InvoiceCurrency)[Object.values(InvoiceCurrency).indexOf(json)]
+        return InvoiceCurrency[key] === undefined ?
+            InvoiceCurrency['XenditEnumDefaultFallback'] : InvoiceCurrency[key]
+    }
     return json as InvoiceCurrency;
 }
 
diff --git a/invoice/models/InvoicePaymentMethod.ts b/invoice/models/InvoicePaymentMethod.ts
index a0dc1aa..7276777 100644
--- a/invoice/models/InvoicePaymentMethod.ts
+++ b/invoice/models/InvoicePaymentMethod.ts
@@ -21,7 +21,8 @@ export const InvoicePaymentMethod = {
     Ewallet: 'EWALLET',
     DirectDebit: 'DIRECT_DEBIT',
     BankTransfer: 'BANK_TRANSFER',
-    Paylater: 'PAYLATER'
+    Paylater: 'PAYLATER',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type InvoicePaymentMethod = typeof InvoicePaymentMethod[keyof typeof InvoicePaymentMethod];
 
@@ -31,6 +32,11 @@ export function InvoicePaymentMethodFromJSON(json: any): InvoicePaymentMethod {
 }
 
 export function InvoicePaymentMethodFromJSONTyped(json: any, ignoreDiscriminator: boolean): InvoicePaymentMethod {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(InvoicePaymentMethod)[Object.values(InvoicePaymentMethod).indexOf(json)]
+        return InvoicePaymentMethod[key] === undefined ?
+            InvoicePaymentMethod['XenditEnumDefaultFallback'] : InvoicePaymentMethod[key]
+    }
     return json as InvoicePaymentMethod;
 }
 
diff --git a/invoice/models/InvoiceStatus.ts b/invoice/models/InvoiceStatus.ts
index e6bc5af..a3e34b0 100644
--- a/invoice/models/InvoiceStatus.ts
+++ b/invoice/models/InvoiceStatus.ts
@@ -15,7 +15,8 @@ export const InvoiceStatus = {
     Pending: 'PENDING',
     Paid: 'PAID',
     Settled: 'SETTLED',
-    Expired: 'EXPIRED'
+    Expired: 'EXPIRED',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type InvoiceStatus = typeof InvoiceStatus[keyof typeof InvoiceStatus];
 
@@ -25,6 +26,11 @@ export function InvoiceStatusFromJSON(json: any): InvoiceStatus {
 }
 
 export function InvoiceStatusFromJSONTyped(json: any, ignoreDiscriminator: boolean): InvoiceStatus {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(InvoiceStatus)[Object.values(InvoiceStatus).indexOf(json)]
+        return InvoiceStatus[key] === undefined ?
+            InvoiceStatus['XenditEnumDefaultFallback'] : InvoiceStatus[key]
+    }
     return json as InvoiceStatus;
 }
 
diff --git a/invoice/models/NotificationChannel.ts b/invoice/models/NotificationChannel.ts
index a6d21ca..9224981 100644
--- a/invoice/models/NotificationChannel.ts
+++ b/invoice/models/NotificationChannel.ts
@@ -15,7 +15,8 @@ export const NotificationChannel = {
     Email: 'email',
     Sms: 'sms',
     Whatsapp: 'whatsapp',
-    Viber: 'viber'
+    Viber: 'viber',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type NotificationChannel = typeof NotificationChannel[keyof typeof NotificationChannel];
 
@@ -25,6 +26,11 @@ export function NotificationChannelFromJSON(json: any): NotificationChannel {
 }
 
 export function NotificationChannelFromJSONTyped(json: any, ignoreDiscriminator: boolean): NotificationChannel {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(NotificationChannel)[Object.values(NotificationChannel).indexOf(json)]
+        return NotificationChannel[key] === undefined ?
+            NotificationChannel['XenditEnumDefaultFallback'] : NotificationChannel[key]
+    }
     return json as NotificationChannel;
 }
 
diff --git a/invoice/models/PaylaterType.ts b/invoice/models/PaylaterType.ts
index d43cdac..2597ee6 100644
--- a/invoice/models/PaylaterType.ts
+++ b/invoice/models/PaylaterType.ts
@@ -17,7 +17,8 @@ export const PaylaterType = {
     Uangme: 'UANGME',
     Billease: 'BILLEASE',
     Cashalo: 'CASHALO',
-    Atome: 'ATOME'
+    Atome: 'ATOME',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaylaterType = typeof PaylaterType[keyof typeof PaylaterType];
 
@@ -27,6 +28,11 @@ export function PaylaterTypeFromJSON(json: any): PaylaterType {
 }
 
 export function PaylaterTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaylaterType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaylaterType)[Object.values(PaylaterType).indexOf(json)]
+        return PaylaterType[key] === undefined ?
+            PaylaterType['XenditEnumDefaultFallback'] : PaylaterType[key]
+    }
     return json as PaylaterType;
 }
 
diff --git a/invoice/models/QrCodeType.ts b/invoice/models/QrCodeType.ts
index 5885382..91b3160 100644
--- a/invoice/models/QrCodeType.ts
+++ b/invoice/models/QrCodeType.ts
@@ -13,7 +13,8 @@
  */
 export const QrCodeType = {
     Qris: 'QRIS',
-    Promptpay: 'PROMPTPAY'
+    Promptpay: 'PROMPTPAY',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type QrCodeType = typeof QrCodeType[keyof typeof QrCodeType];
 
@@ -23,6 +24,11 @@ export function QrCodeTypeFromJSON(json: any): QrCodeType {
 }
 
 export function QrCodeTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): QrCodeType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(QrCodeType)[Object.values(QrCodeType).indexOf(json)]
+        return QrCodeType[key] === undefined ?
+            QrCodeType['XenditEnumDefaultFallback'] : QrCodeType[key]
+    }
     return json as QrCodeType;
 }
 
diff --git a/invoice/models/RetailOutletName.ts b/invoice/models/RetailOutletName.ts
index 51e2254..807da9e 100644
--- a/invoice/models/RetailOutletName.ts
+++ b/invoice/models/RetailOutletName.ts
@@ -20,7 +20,8 @@ export const RetailOutletName = {
     DpMlhuillier: 'DP_MLHUILLIER',
     DpPalawan: 'DP_PALAWAN',
     DpEcpaySchool: 'DP_ECPAY_SCHOOL',
-    Lbc: 'LBC'
+    Lbc: 'LBC',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type RetailOutletName = typeof RetailOutletName[keyof typeof RetailOutletName];
 
@@ -30,6 +31,11 @@ export function RetailOutletNameFromJSON(json: any): RetailOutletName {
 }
 
 export function RetailOutletNameFromJSONTyped(json: any, ignoreDiscriminator: boolean): RetailOutletName {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(RetailOutletName)[Object.values(RetailOutletName).indexOf(json)]
+        return RetailOutletName[key] === undefined ?
+            RetailOutletName['XenditEnumDefaultFallback'] : RetailOutletName[key]
+    }
     return json as RetailOutletName;
 }
 
diff --git a/package.json b/package.json
index aa9a8ee..86368f0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xendit-node",
-  "version": "3.3.0",
+  "version": "3.4.0",
   "description": "OpenAPI client for xendit-node",
   "author": "OpenAPI-Generator",
   "repository": {
diff --git a/payment_method/apis/PaymentMethod.ts b/payment_method/apis/PaymentMethod.ts
index ffae4e4..7f193eb 100644
--- a/payment_method/apis/PaymentMethod.ts
+++ b/payment_method/apis/PaymentMethod.ts
@@ -61,42 +61,19 @@ import {
     SimulatePaymentRequestToJSON,
 } from '../models';
 
-export interface AuthPaymentMethodRequest {
-    paymentMethodId: string;
-    idempotencyKey?: string;
-    data?: PaymentMethodAuthParameters;
-}
-
 export interface CreatePaymentMethodRequest {
+    forUserId?: string;
     data?: PaymentMethodParameters;
 }
 
-export interface ExpirePaymentMethodRequest {
-    paymentMethodId: string;
-    idempotencyKey?: string;
-    data?: PaymentMethodExpireParameters | null;
-}
-
-export interface GetAllPaymentMethodsRequest {
-    id?: Array<string>;
-    type?: Array<string>;
-    status?: Array<PaymentMethodStatus>;
-    reusability?: PaymentMethodReusability;
-    customerId?: string;
-    referenceId?: string;
-    afterId?: string;
-    beforeId?: string;
-    limit?: number;
-    idempotencyKey?: string;
-}
-
 export interface GetPaymentMethodByIDRequest {
     paymentMethodId: string;
-    idempotencyKey?: string;
+    forUserId?: string;
 }
 
 export interface GetPaymentsByPaymentMethodIdRequest {
     paymentMethodId: string;
+    forUserId?: string;
     paymentRequestId?: Array<string>;
     paymentMethodId2?: Array<string>;
     referenceId?: Array<string>;
@@ -109,18 +86,41 @@ export interface GetPaymentsByPaymentMethodIdRequest {
     updatedGte?: Date;
     updatedLte?: Date;
     limit?: number;
-    idempotencyKey?: string;
 }
 
 export interface PatchPaymentMethodRequest {
     paymentMethodId: string;
-    idempotencyKey?: string;
+    forUserId?: string;
     data?: PaymentMethodUpdateParameters;
 }
 
+export interface GetAllPaymentMethodsRequest {
+    forUserId?: string;
+    id?: Array<string>;
+    type?: Array<string>;
+    status?: Array<PaymentMethodStatus>;
+    reusability?: PaymentMethodReusability;
+    customerId?: string;
+    referenceId?: string;
+    afterId?: string;
+    beforeId?: string;
+    limit?: number;
+}
+
+export interface ExpirePaymentMethodRequest {
+    paymentMethodId: string;
+    forUserId?: string;
+    data?: PaymentMethodExpireParameters | null;
+}
+
+export interface AuthPaymentMethodRequest {
+    paymentMethodId: string;
+    forUserId?: string;
+    data?: PaymentMethodAuthParameters;
+}
+
 export interface SimulatePaymentOperationRequest {
     paymentMethodId: string;
-    idempotencyKey?: string;
     data?: SimulatePaymentRequest;
 }
 
@@ -140,46 +140,6 @@ export class PaymentMethodApi extends runtime.BaseAPI {
         this.secretKey = secretKey;
     }
 
-    /**
-     * This endpoint validates a payment method linking OTP
-     * Validate a payment method\'s linking OTP
-     */
-    private async authPaymentMethodRaw(requestParameters: AuthPaymentMethodRequest): Promise<runtime.ApiResponse<PaymentMethod>> {
-        if (requestParameters.paymentMethodId === null || requestParameters.paymentMethodId === undefined) {
-            throw new runtime.RequiredError('paymentMethodId','Required parameter requestParameters.paymentMethodId was null or undefined when calling authPaymentMethod.');
-        }
-
-        const queryParameters: any = {};
-
-        const headerParameters: runtime.HTTPHeaders = {};
-        headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
-
-        headerParameters['Content-Type'] = 'application/json';
-
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
-        }
-
-        const response = await this.request({
-            path: `/v2/payment_methods/{paymentMethodId}/auth`.replace(`{${"paymentMethodId"}}`, encodeURIComponent(String(requestParameters.paymentMethodId))),
-            method: 'POST',
-            headers: headerParameters,
-            query: queryParameters,
-            body: PaymentMethodAuthParametersToJSON(requestParameters.data),
-        });
-
-        return new runtime.JSONApiResponse(response, (jsonValue) => PaymentMethodFromJSON(jsonValue));
-    }
-
-    /**
-     * This endpoint validates a payment method linking OTP
-     * Validate a payment method\'s linking OTP
-     */
-    async authPaymentMethod(requestParameters: AuthPaymentMethodRequest): Promise<PaymentMethod> {
-        const response = await this.authPaymentMethodRaw(requestParameters);
-        return await response.value();
-    }
-
     /**
      * This endpoint initiates creation of payment method
      * Creates payment method
@@ -192,6 +152,10 @@ export class PaymentMethodApi extends runtime.BaseAPI {
 
         headerParameters['Content-Type'] = 'application/json';
 
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
+        }
+
         const response = await this.request({
             path: `/v2/payment_methods`,
             method: 'POST',
@@ -213,12 +177,12 @@ export class PaymentMethodApi extends runtime.BaseAPI {
     }
 
     /**
-     * This endpoint expires a payment method and performs unlinking if necessary
-     * Expires a payment method
+     * Get payment method by ID
+     * Get payment method by ID
      */
-    private async expirePaymentMethodRaw(requestParameters: ExpirePaymentMethodRequest): Promise<runtime.ApiResponse<PaymentMethod>> {
+    private async getPaymentMethodByIDRaw(requestParameters: GetPaymentMethodByIDRequest): Promise<runtime.ApiResponse<PaymentMethod>> {
         if (requestParameters.paymentMethodId === null || requestParameters.paymentMethodId === undefined) {
-            throw new runtime.RequiredError('paymentMethodId','Required parameter requestParameters.paymentMethodId was null or undefined when calling expirePaymentMethod.');
+            throw new runtime.RequiredError('paymentMethodId','Required parameter requestParameters.paymentMethodId was null or undefined when calling getPaymentMethodByID.');
         }
 
         const queryParameters: any = {};
@@ -226,69 +190,82 @@ export class PaymentMethodApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        headerParameters['Content-Type'] = 'application/json';
-
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
-            path: `/v2/payment_methods/{paymentMethodId}/expire`.replace(`{${"paymentMethodId"}}`, encodeURIComponent(String(requestParameters.paymentMethodId))),
-            method: 'POST',
+            path: `/v2/payment_methods/{paymentMethodId}`.replace(`{${"paymentMethodId"}}`, encodeURIComponent(String(requestParameters.paymentMethodId))),
+            method: 'GET',
             headers: headerParameters,
             query: queryParameters,
-            body: PaymentMethodExpireParametersToJSON(requestParameters.data),
         });
 
         return new runtime.JSONApiResponse(response, (jsonValue) => PaymentMethodFromJSON(jsonValue));
     }
 
     /**
-     * This endpoint expires a payment method and performs unlinking if necessary
-     * Expires a payment method
+     * Get payment method by ID
+     * Get payment method by ID
      */
-    async expirePaymentMethod(requestParameters: ExpirePaymentMethodRequest): Promise<PaymentMethod> {
-        const response = await this.expirePaymentMethodRaw(requestParameters);
+    async getPaymentMethodByID(requestParameters: GetPaymentMethodByIDRequest): Promise<PaymentMethod> {
+        const response = await this.getPaymentMethodByIDRaw(requestParameters);
         return await response.value();
     }
 
     /**
-     * Get all payment methods by filters
-     * Get all payment methods by filters
+     * Returns payments with matching PaymentMethodID.
+     * Returns payments with matching PaymentMethodID.
      */
-    private async getAllPaymentMethodsRaw(requestParameters: GetAllPaymentMethodsRequest): Promise<runtime.ApiResponse<PaymentMethodList>> {
+    private async getPaymentsByPaymentMethodIdRaw(requestParameters: GetPaymentsByPaymentMethodIdRequest): Promise<runtime.ApiResponse<object>> {
+        if (requestParameters.paymentMethodId === null || requestParameters.paymentMethodId === undefined) {
+            throw new runtime.RequiredError('paymentMethodId','Required parameter requestParameters.paymentMethodId was null or undefined when calling getPaymentsByPaymentMethodId.');
+        }
+
         const queryParameters: any = {};
 
-        if (requestParameters.id) {
-            queryParameters['id'] = requestParameters.id;
+        if (requestParameters.paymentRequestId) {
+            queryParameters['payment_request_id'] = requestParameters.paymentRequestId;
         }
 
-        if (requestParameters.type) {
-            queryParameters['type'] = requestParameters.type;
+        if (requestParameters.paymentMethodId2) {
+            queryParameters['payment_method_id'] = requestParameters.paymentMethodId2;
+        }
+
+        if (requestParameters.referenceId) {
+            queryParameters['reference_id'] = requestParameters.referenceId;
+        }
+
+        if (requestParameters.paymentMethodType) {
+            queryParameters['payment_method_type'] = requestParameters.paymentMethodType;
+        }
+
+        if (requestParameters.channelCode) {
+            queryParameters['channel_code'] = requestParameters.channelCode;
         }
 
         if (requestParameters.status) {
             queryParameters['status'] = requestParameters.status;
         }
 
-        if (requestParameters.reusability !== undefined) {
-            queryParameters['reusability'] = requestParameters.reusability;
+        if (requestParameters.currency) {
+            queryParameters['currency'] = requestParameters.currency;
         }
 
-        if (requestParameters.customerId !== undefined) {
-            queryParameters['customer_id'] = requestParameters.customerId;
+        if (requestParameters.createdGte !== undefined) {
+            queryParameters['created[gte]'] = (requestParameters.createdGte as any).toISOString();
         }
 
-        if (requestParameters.referenceId !== undefined) {
-            queryParameters['reference_id'] = requestParameters.referenceId;
+        if (requestParameters.createdLte !== undefined) {
+            queryParameters['created[lte]'] = (requestParameters.createdLte as any).toISOString();
         }
 
-        if (requestParameters.afterId !== undefined) {
-            queryParameters['after_id'] = requestParameters.afterId;
+        if (requestParameters.updatedGte !== undefined) {
+            queryParameters['updated[gte]'] = (requestParameters.updatedGte as any).toISOString();
         }
 
-        if (requestParameters.beforeId !== undefined) {
-            queryParameters['before_id'] = requestParameters.beforeId;
+        if (requestParameters.updatedLte !== undefined) {
+            queryParameters['updated[lte]'] = (requestParameters.updatedLte as any).toISOString();
         }
 
         if (requestParameters.limit !== undefined) {
@@ -298,36 +275,36 @@ export class PaymentMethodApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
-            path: `/v2/payment_methods`,
+            path: `/v2/payment_methods/{paymentMethodId}/payments`.replace(`{${"paymentMethodId"}}`, encodeURIComponent(String(requestParameters.paymentMethodId))),
             method: 'GET',
             headers: headerParameters,
             query: queryParameters,
         });
 
-        return new runtime.JSONApiResponse(response, (jsonValue) => PaymentMethodListFromJSON(jsonValue));
+        return new runtime.JSONApiResponse<any>(response);
     }
 
     /**
-     * Get all payment methods by filters
-     * Get all payment methods by filters
+     * Returns payments with matching PaymentMethodID.
+     * Returns payments with matching PaymentMethodID.
      */
-    async getAllPaymentMethods(requestParameters: GetAllPaymentMethodsRequest = {}): Promise<PaymentMethodList> {
-        const response = await this.getAllPaymentMethodsRaw(requestParameters);
+    async getPaymentsByPaymentMethodId(requestParameters: GetPaymentsByPaymentMethodIdRequest): Promise<object> {
+        const response = await this.getPaymentsByPaymentMethodIdRaw(requestParameters);
         return await response.value();
     }
 
     /**
-     * Get payment method by ID
-     * Get payment method by ID
+     * This endpoint is used to toggle the ```status``` of an e-Wallet or a Direct Debit payment method to ```ACTIVE``` or ```INACTIVE```. This is also used to update the details of an Over-the-Counter or a Virtual Account payment method.
+     * Patch payment methods
      */
-    private async getPaymentMethodByIDRaw(requestParameters: GetPaymentMethodByIDRequest): Promise<runtime.ApiResponse<PaymentMethod>> {
+    private async patchPaymentMethodRaw(requestParameters: PatchPaymentMethodRequest): Promise<runtime.ApiResponse<PaymentMethod>> {
         if (requestParameters.paymentMethodId === null || requestParameters.paymentMethodId === undefined) {
-            throw new runtime.RequiredError('paymentMethodId','Required parameter requestParameters.paymentMethodId was null or undefined when calling getPaymentMethodByID.');
+            throw new runtime.RequiredError('paymentMethodId','Required parameter requestParameters.paymentMethodId was null or undefined when calling patchPaymentMethod.');
         }
 
         const queryParameters: any = {};
@@ -335,82 +312,69 @@ export class PaymentMethodApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        headerParameters['Content-Type'] = 'application/json';
+
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
             path: `/v2/payment_methods/{paymentMethodId}`.replace(`{${"paymentMethodId"}}`, encodeURIComponent(String(requestParameters.paymentMethodId))),
-            method: 'GET',
+            method: 'PATCH',
             headers: headerParameters,
             query: queryParameters,
+            body: PaymentMethodUpdateParametersToJSON(requestParameters.data),
         });
 
         return new runtime.JSONApiResponse(response, (jsonValue) => PaymentMethodFromJSON(jsonValue));
     }
 
     /**
-     * Get payment method by ID
-     * Get payment method by ID
+     * This endpoint is used to toggle the ```status``` of an e-Wallet or a Direct Debit payment method to ```ACTIVE``` or ```INACTIVE```. This is also used to update the details of an Over-the-Counter or a Virtual Account payment method.
+     * Patch payment methods
      */
-    async getPaymentMethodByID(requestParameters: GetPaymentMethodByIDRequest): Promise<PaymentMethod> {
-        const response = await this.getPaymentMethodByIDRaw(requestParameters);
+    async patchPaymentMethod(requestParameters: PatchPaymentMethodRequest): Promise<PaymentMethod> {
+        const response = await this.patchPaymentMethodRaw(requestParameters);
         return await response.value();
     }
 
     /**
-     * Returns payments with matching PaymentMethodID.
-     * Returns payments with matching PaymentMethodID.
+     * Get all payment methods by filters
+     * Get all payment methods by filters
      */
-    private async getPaymentsByPaymentMethodIdRaw(requestParameters: GetPaymentsByPaymentMethodIdRequest): Promise<runtime.ApiResponse<object>> {
-        if (requestParameters.paymentMethodId === null || requestParameters.paymentMethodId === undefined) {
-            throw new runtime.RequiredError('paymentMethodId','Required parameter requestParameters.paymentMethodId was null or undefined when calling getPaymentsByPaymentMethodId.');
-        }
-
+    private async getAllPaymentMethodsRaw(requestParameters: GetAllPaymentMethodsRequest): Promise<runtime.ApiResponse<PaymentMethodList>> {
         const queryParameters: any = {};
 
-        if (requestParameters.paymentRequestId) {
-            queryParameters['payment_request_id'] = requestParameters.paymentRequestId;
-        }
-
-        if (requestParameters.paymentMethodId2) {
-            queryParameters['payment_method_id'] = requestParameters.paymentMethodId2;
-        }
-
-        if (requestParameters.referenceId) {
-            queryParameters['reference_id'] = requestParameters.referenceId;
-        }
-
-        if (requestParameters.paymentMethodType) {
-            queryParameters['payment_method_type'] = requestParameters.paymentMethodType;
+        if (requestParameters.id) {
+            queryParameters['id'] = requestParameters.id;
         }
 
-        if (requestParameters.channelCode) {
-            queryParameters['channel_code'] = requestParameters.channelCode;
+        if (requestParameters.type) {
+            queryParameters['type'] = requestParameters.type;
         }
 
         if (requestParameters.status) {
             queryParameters['status'] = requestParameters.status;
         }
 
-        if (requestParameters.currency) {
-            queryParameters['currency'] = requestParameters.currency;
+        if (requestParameters.reusability !== undefined) {
+            queryParameters['reusability'] = requestParameters.reusability;
         }
 
-        if (requestParameters.createdGte !== undefined) {
-            queryParameters['created[gte]'] = (requestParameters.createdGte as any).toISOString();
+        if (requestParameters.customerId !== undefined) {
+            queryParameters['customer_id'] = requestParameters.customerId;
         }
 
-        if (requestParameters.createdLte !== undefined) {
-            queryParameters['created[lte]'] = (requestParameters.createdLte as any).toISOString();
+        if (requestParameters.referenceId !== undefined) {
+            queryParameters['reference_id'] = requestParameters.referenceId;
         }
 
-        if (requestParameters.updatedGte !== undefined) {
-            queryParameters['updated[gte]'] = (requestParameters.updatedGte as any).toISOString();
+        if (requestParameters.afterId !== undefined) {
+            queryParameters['after_id'] = requestParameters.afterId;
         }
 
-        if (requestParameters.updatedLte !== undefined) {
-            queryParameters['updated[lte]'] = (requestParameters.updatedLte as any).toISOString();
+        if (requestParameters.beforeId !== undefined) {
+            queryParameters['before_id'] = requestParameters.beforeId;
         }
 
         if (requestParameters.limit !== undefined) {
@@ -420,36 +384,36 @@ export class PaymentMethodApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
-            path: `/v2/payment_methods/{paymentMethodId}/payments`.replace(`{${"paymentMethodId"}}`, encodeURIComponent(String(requestParameters.paymentMethodId))),
+            path: `/v2/payment_methods`,
             method: 'GET',
             headers: headerParameters,
             query: queryParameters,
         });
 
-        return new runtime.JSONApiResponse<any>(response);
+        return new runtime.JSONApiResponse(response, (jsonValue) => PaymentMethodListFromJSON(jsonValue));
     }
 
     /**
-     * Returns payments with matching PaymentMethodID.
-     * Returns payments with matching PaymentMethodID.
+     * Get all payment methods by filters
+     * Get all payment methods by filters
      */
-    async getPaymentsByPaymentMethodId(requestParameters: GetPaymentsByPaymentMethodIdRequest): Promise<object> {
-        const response = await this.getPaymentsByPaymentMethodIdRaw(requestParameters);
+    async getAllPaymentMethods(requestParameters: GetAllPaymentMethodsRequest = {}): Promise<PaymentMethodList> {
+        const response = await this.getAllPaymentMethodsRaw(requestParameters);
         return await response.value();
     }
 
     /**
-     * This endpoint is used to toggle the ```status``` of an e-Wallet or a Direct Debit payment method to ```ACTIVE``` or ```INACTIVE```.  This is also used to update the details of an Over-the-Counter or a Virtual Account payment method.
-     * Patch payment methods
+     * This endpoint expires a payment method and performs unlinking if necessary
+     * Expires a payment method
      */
-    private async patchPaymentMethodRaw(requestParameters: PatchPaymentMethodRequest): Promise<runtime.ApiResponse<PaymentMethod>> {
+    private async expirePaymentMethodRaw(requestParameters: ExpirePaymentMethodRequest): Promise<runtime.ApiResponse<PaymentMethod>> {
         if (requestParameters.paymentMethodId === null || requestParameters.paymentMethodId === undefined) {
-            throw new runtime.RequiredError('paymentMethodId','Required parameter requestParameters.paymentMethodId was null or undefined when calling patchPaymentMethod.');
+            throw new runtime.RequiredError('paymentMethodId','Required parameter requestParameters.paymentMethodId was null or undefined when calling expirePaymentMethod.');
         }
 
         const queryParameters: any = {};
@@ -459,27 +423,67 @@ export class PaymentMethodApi extends runtime.BaseAPI {
 
         headerParameters['Content-Type'] = 'application/json';
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
-            path: `/v2/payment_methods/{paymentMethodId}`.replace(`{${"paymentMethodId"}}`, encodeURIComponent(String(requestParameters.paymentMethodId))),
-            method: 'PATCH',
+            path: `/v2/payment_methods/{paymentMethodId}/expire`.replace(`{${"paymentMethodId"}}`, encodeURIComponent(String(requestParameters.paymentMethodId))),
+            method: 'POST',
             headers: headerParameters,
             query: queryParameters,
-            body: PaymentMethodUpdateParametersToJSON(requestParameters.data),
+            body: PaymentMethodExpireParametersToJSON(requestParameters.data),
         });
 
         return new runtime.JSONApiResponse(response, (jsonValue) => PaymentMethodFromJSON(jsonValue));
     }
 
     /**
-     * This endpoint is used to toggle the ```status``` of an e-Wallet or a Direct Debit payment method to ```ACTIVE``` or ```INACTIVE```.  This is also used to update the details of an Over-the-Counter or a Virtual Account payment method.
-     * Patch payment methods
+     * This endpoint expires a payment method and performs unlinking if necessary
+     * Expires a payment method
      */
-    async patchPaymentMethod(requestParameters: PatchPaymentMethodRequest): Promise<PaymentMethod> {
-        const response = await this.patchPaymentMethodRaw(requestParameters);
+    async expirePaymentMethod(requestParameters: ExpirePaymentMethodRequest): Promise<PaymentMethod> {
+        const response = await this.expirePaymentMethodRaw(requestParameters);
+        return await response.value();
+    }
+
+    /**
+     * This endpoint validates a payment method linking OTP
+     * Validate a payment method\'s linking OTP
+     */
+    private async authPaymentMethodRaw(requestParameters: AuthPaymentMethodRequest): Promise<runtime.ApiResponse<PaymentMethod>> {
+        if (requestParameters.paymentMethodId === null || requestParameters.paymentMethodId === undefined) {
+            throw new runtime.RequiredError('paymentMethodId','Required parameter requestParameters.paymentMethodId was null or undefined when calling authPaymentMethod.');
+        }
+
+        const queryParameters: any = {};
+
+        const headerParameters: runtime.HTTPHeaders = {};
+        headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
+
+        headerParameters['Content-Type'] = 'application/json';
+
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
+        }
+
+        const response = await this.request({
+            path: `/v2/payment_methods/{paymentMethodId}/auth`.replace(`{${"paymentMethodId"}}`, encodeURIComponent(String(requestParameters.paymentMethodId))),
+            method: 'POST',
+            headers: headerParameters,
+            query: queryParameters,
+            body: PaymentMethodAuthParametersToJSON(requestParameters.data),
+        });
+
+        return new runtime.JSONApiResponse(response, (jsonValue) => PaymentMethodFromJSON(jsonValue));
+    }
+
+    /**
+     * This endpoint validates a payment method linking OTP
+     * Validate a payment method\'s linking OTP
+     */
+    async authPaymentMethod(requestParameters: AuthPaymentMethodRequest): Promise<PaymentMethod> {
+        const response = await this.authPaymentMethodRaw(requestParameters);
         return await response.value();
     }
 
@@ -499,10 +503,6 @@ export class PaymentMethodApi extends runtime.BaseAPI {
 
         headerParameters['Content-Type'] = 'application/json';
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
-        }
-
         const response = await this.request({
             path: `/v2/payment_methods/{paymentMethodId}/payments/simulate`.replace(`{${"paymentMethodId"}}`, encodeURIComponent(String(requestParameters.paymentMethodId))),
             method: 'POST',
diff --git a/payment_method/models/DirectDebitChannelCode.ts b/payment_method/models/DirectDebitChannelCode.ts
index 03248b2..ccc9ddf 100644
--- a/payment_method/models/DirectDebitChannelCode.ts
+++ b/payment_method/models/DirectDebitChannelCode.ts
@@ -74,7 +74,8 @@ export const DirectDebitChannelCode = {
     PublicFpxBusiness: 'PUBLIC_FPX_BUSINESS',
     RhbFpxBusiness: 'RHB_FPX_BUSINESS',
     SchFpxBusiness: 'SCH_FPX_BUSINESS',
-    UobFpxBusiness: 'UOB_FPX_BUSINESS'
+    UobFpxBusiness: 'UOB_FPX_BUSINESS',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type DirectDebitChannelCode = typeof DirectDebitChannelCode[keyof typeof DirectDebitChannelCode];
 
@@ -84,6 +85,11 @@ export function DirectDebitChannelCodeFromJSON(json: any): DirectDebitChannelCod
 }
 
 export function DirectDebitChannelCodeFromJSONTyped(json: any, ignoreDiscriminator: boolean): DirectDebitChannelCode {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(DirectDebitChannelCode)[Object.values(DirectDebitChannelCode).indexOf(json)]
+        return DirectDebitChannelCode[key] === undefined ?
+            DirectDebitChannelCode['XenditEnumDefaultFallback'] : DirectDebitChannelCode[key]
+    }
     return json as DirectDebitChannelCode;
 }
 
diff --git a/payment_method/models/DirectDebitType.ts b/payment_method/models/DirectDebitType.ts
index 5164ee3..1f6bb02 100644
--- a/payment_method/models/DirectDebitType.ts
+++ b/payment_method/models/DirectDebitType.ts
@@ -14,7 +14,8 @@
 export const DirectDebitType = {
     DebitCard: 'DEBIT_CARD',
     BankAccount: 'BANK_ACCOUNT',
-    BankRedirect: 'BANK_REDIRECT'
+    BankRedirect: 'BANK_REDIRECT',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type DirectDebitType = typeof DirectDebitType[keyof typeof DirectDebitType];
 
@@ -24,6 +25,11 @@ export function DirectDebitTypeFromJSON(json: any): DirectDebitType {
 }
 
 export function DirectDebitTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): DirectDebitType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(DirectDebitType)[Object.values(DirectDebitType).indexOf(json)]
+        return DirectDebitType[key] === undefined ?
+            DirectDebitType['XenditEnumDefaultFallback'] : DirectDebitType[key]
+    }
     return json as DirectDebitType;
 }
 
diff --git a/payment_method/models/EWalletChannelCode.ts b/payment_method/models/EWalletChannelCode.ts
index a070660..15263ec 100644
--- a/payment_method/models/EWalletChannelCode.ts
+++ b/payment_method/models/EWalletChannelCode.ts
@@ -31,7 +31,8 @@ export const EWalletChannelCode = {
     Wechatpay: 'WECHATPAY',
     Linepay: 'LINEPAY',
     Truemoney: 'TRUEMONEY',
-    Alipay: 'ALIPAY'
+    Alipay: 'ALIPAY',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type EWalletChannelCode = typeof EWalletChannelCode[keyof typeof EWalletChannelCode];
 
@@ -41,6 +42,11 @@ export function EWalletChannelCodeFromJSON(json: any): EWalletChannelCode {
 }
 
 export function EWalletChannelCodeFromJSONTyped(json: any, ignoreDiscriminator: boolean): EWalletChannelCode {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(EWalletChannelCode)[Object.values(EWalletChannelCode).indexOf(json)]
+        return EWalletChannelCode[key] === undefined ?
+            EWalletChannelCode['XenditEnumDefaultFallback'] : EWalletChannelCode[key]
+    }
     return json as EWalletChannelCode;
 }
 
diff --git a/payment_method/models/OverTheCounterChannelCode.ts b/payment_method/models/OverTheCounterChannelCode.ts
index ef95074..dd0f8ef 100644
--- a/payment_method/models/OverTheCounterChannelCode.ts
+++ b/payment_method/models/OverTheCounterChannelCode.ts
@@ -27,7 +27,8 @@ export const OverTheCounterChannelCode = {
     SmBills: 'SM_BILLS',
     RobinsonsBills: 'ROBINSONS_BILLS',
     Alfamart: 'ALFAMART',
-    Indomaret: 'INDOMARET'
+    Indomaret: 'INDOMARET',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type OverTheCounterChannelCode = typeof OverTheCounterChannelCode[keyof typeof OverTheCounterChannelCode];
 
@@ -37,6 +38,11 @@ export function OverTheCounterChannelCodeFromJSON(json: any): OverTheCounterChan
 }
 
 export function OverTheCounterChannelCodeFromJSONTyped(json: any, ignoreDiscriminator: boolean): OverTheCounterChannelCode {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(OverTheCounterChannelCode)[Object.values(OverTheCounterChannelCode).indexOf(json)]
+        return OverTheCounterChannelCode[key] === undefined ?
+            OverTheCounterChannelCode['XenditEnumDefaultFallback'] : OverTheCounterChannelCode[key]
+    }
     return json as OverTheCounterChannelCode;
 }
 
diff --git a/payment_method/models/PaymentMethodCountry.ts b/payment_method/models/PaymentMethodCountry.ts
index 6b6e255..e7ba92f 100644
--- a/payment_method/models/PaymentMethodCountry.ts
+++ b/payment_method/models/PaymentMethodCountry.ts
@@ -16,7 +16,8 @@ export const PaymentMethodCountry = {
     Id: 'ID',
     Vn: 'VN',
     Th: 'TH',
-    My: 'MY'
+    My: 'MY',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentMethodCountry = typeof PaymentMethodCountry[keyof typeof PaymentMethodCountry];
 
@@ -26,6 +27,11 @@ export function PaymentMethodCountryFromJSON(json: any): PaymentMethodCountry {
 }
 
 export function PaymentMethodCountryFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentMethodCountry {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentMethodCountry)[Object.values(PaymentMethodCountry).indexOf(json)]
+        return PaymentMethodCountry[key] === undefined ?
+            PaymentMethodCountry['XenditEnumDefaultFallback'] : PaymentMethodCountry[key]
+    }
     return json as PaymentMethodCountry;
 }
 
diff --git a/payment_method/models/PaymentMethodReusability.ts b/payment_method/models/PaymentMethodReusability.ts
index f085d23..2401449 100644
--- a/payment_method/models/PaymentMethodReusability.ts
+++ b/payment_method/models/PaymentMethodReusability.ts
@@ -13,7 +13,8 @@
  */
 export const PaymentMethodReusability = {
     MultipleUse: 'MULTIPLE_USE',
-    OneTimeUse: 'ONE_TIME_USE'
+    OneTimeUse: 'ONE_TIME_USE',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentMethodReusability = typeof PaymentMethodReusability[keyof typeof PaymentMethodReusability];
 
@@ -23,6 +24,11 @@ export function PaymentMethodReusabilityFromJSON(json: any): PaymentMethodReusab
 }
 
 export function PaymentMethodReusabilityFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentMethodReusability {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentMethodReusability)[Object.values(PaymentMethodReusability).indexOf(json)]
+        return PaymentMethodReusability[key] === undefined ?
+            PaymentMethodReusability['XenditEnumDefaultFallback'] : PaymentMethodReusability[key]
+    }
     return json as PaymentMethodReusability;
 }
 
diff --git a/payment_method/models/PaymentMethodStatus.ts b/payment_method/models/PaymentMethodStatus.ts
index f0fe7db..291ff23 100644
--- a/payment_method/models/PaymentMethodStatus.ts
+++ b/payment_method/models/PaymentMethodStatus.ts
@@ -17,7 +17,8 @@ export const PaymentMethodStatus = {
     Inactive: 'INACTIVE',
     Pending: 'PENDING',
     RequiresAction: 'REQUIRES_ACTION',
-    Failed: 'FAILED'
+    Failed: 'FAILED',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentMethodStatus = typeof PaymentMethodStatus[keyof typeof PaymentMethodStatus];
 
@@ -27,6 +28,11 @@ export function PaymentMethodStatusFromJSON(json: any): PaymentMethodStatus {
 }
 
 export function PaymentMethodStatusFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentMethodStatus {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentMethodStatus)[Object.values(PaymentMethodStatus).indexOf(json)]
+        return PaymentMethodStatus[key] === undefined ?
+            PaymentMethodStatus['XenditEnumDefaultFallback'] : PaymentMethodStatus[key]
+    }
     return json as PaymentMethodStatus;
 }
 
diff --git a/payment_method/models/PaymentMethodType.ts b/payment_method/models/PaymentMethodType.ts
index 93b23eb..aa3a60c 100644
--- a/payment_method/models/PaymentMethodType.ts
+++ b/payment_method/models/PaymentMethodType.ts
@@ -19,7 +19,8 @@ export const PaymentMethodType = {
     Ewallet: 'EWALLET',
     OverTheCounter: 'OVER_THE_COUNTER',
     QrCode: 'QR_CODE',
-    VirtualAccount: 'VIRTUAL_ACCOUNT'
+    VirtualAccount: 'VIRTUAL_ACCOUNT',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentMethodType = typeof PaymentMethodType[keyof typeof PaymentMethodType];
 
@@ -29,6 +30,11 @@ export function PaymentMethodTypeFromJSON(json: any): PaymentMethodType {
 }
 
 export function PaymentMethodTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentMethodType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentMethodType)[Object.values(PaymentMethodType).indexOf(json)]
+        return PaymentMethodType[key] === undefined ?
+            PaymentMethodType['XenditEnumDefaultFallback'] : PaymentMethodType[key]
+    }
     return json as PaymentMethodType;
 }
 
diff --git a/payment_method/models/QRCodeChannelCode.ts b/payment_method/models/QRCodeChannelCode.ts
index 5b80780..478bd3d 100644
--- a/payment_method/models/QRCodeChannelCode.ts
+++ b/payment_method/models/QRCodeChannelCode.ts
@@ -16,7 +16,8 @@ export const QRCodeChannelCode = {
     Dana: 'DANA',
     Rcbc: 'RCBC',
     Promptpay: 'PROMPTPAY',
-    Linkaja: 'LINKAJA'
+    Linkaja: 'LINKAJA',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type QRCodeChannelCode = typeof QRCodeChannelCode[keyof typeof QRCodeChannelCode];
 
@@ -26,6 +27,11 @@ export function QRCodeChannelCodeFromJSON(json: any): QRCodeChannelCode {
 }
 
 export function QRCodeChannelCodeFromJSONTyped(json: any, ignoreDiscriminator: boolean): QRCodeChannelCode {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(QRCodeChannelCode)[Object.values(QRCodeChannelCode).indexOf(json)]
+        return QRCodeChannelCode[key] === undefined ?
+            QRCodeChannelCode['XenditEnumDefaultFallback'] : QRCodeChannelCode[key]
+    }
     return json as QRCodeChannelCode;
 }
 
diff --git a/payment_method/models/VirtualAccountChannelCode.ts b/payment_method/models/VirtualAccountChannelCode.ts
index 7d77834..c185b0a 100644
--- a/payment_method/models/VirtualAccountChannelCode.ts
+++ b/payment_method/models/VirtualAccountChannelCode.ts
@@ -26,7 +26,8 @@ export const VirtualAccountChannelCode = {
     Vietcapital: 'VIETCAPITAL',
     Woori: 'WOORI',
     Msb: 'MSB',
-    StandardChartered: 'STANDARD_CHARTERED'
+    StandardChartered: 'STANDARD_CHARTERED',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type VirtualAccountChannelCode = typeof VirtualAccountChannelCode[keyof typeof VirtualAccountChannelCode];
 
@@ -36,6 +37,11 @@ export function VirtualAccountChannelCodeFromJSON(json: any): VirtualAccountChan
 }
 
 export function VirtualAccountChannelCodeFromJSONTyped(json: any, ignoreDiscriminator: boolean): VirtualAccountChannelCode {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(VirtualAccountChannelCode)[Object.values(VirtualAccountChannelCode).indexOf(json)]
+        return VirtualAccountChannelCode[key] === undefined ?
+            VirtualAccountChannelCode['XenditEnumDefaultFallback'] : VirtualAccountChannelCode[key]
+    }
     return json as VirtualAccountChannelCode;
 }
 
diff --git a/payment_request/apis/PaymentRequest.ts b/payment_request/apis/PaymentRequest.ts
index c8c10ae..9fd12d9 100644
--- a/payment_request/apis/PaymentRequest.ts
+++ b/payment_request/apis/PaymentRequest.ts
@@ -34,47 +34,48 @@ import {
     PaymentRequestParametersToJSON,
 } from '../models';
 
-export interface AuthorizePaymentRequestRequest {
-    paymentRequestId: string;
+export interface CreatePaymentRequestRequest {
     idempotencyKey?: string;
-    data?: PaymentRequestAuthParameters;
+    forUserId?: string;
+    data?: PaymentRequestParameters;
 }
 
-export interface CapturePaymentRequestRequest {
+export interface GetPaymentRequestByIDRequest {
     paymentRequestId: string;
-    idempotencyKey?: string;
-    data?: CaptureParameters;
+    forUserId?: string;
 }
 
-export interface CreatePaymentRequestRequest {
-    idempotencyKey?: string;
-    data?: PaymentRequestParameters;
+export interface GetPaymentRequestCapturesRequest {
+    paymentRequestId: string;
+    forUserId?: string;
+    limit?: number;
 }
 
 export interface GetAllPaymentRequestsRequest {
+    forUserId?: string;
     referenceId?: Array<string>;
     id?: Array<string>;
     customerId?: Array<string>;
     limit?: number;
     beforeId?: string;
     afterId?: string;
-    idempotencyKey?: string;
 }
 
-export interface GetPaymentRequestByIDRequest {
+export interface CapturePaymentRequestRequest {
     paymentRequestId: string;
-    idempotencyKey?: string;
+    forUserId?: string;
+    data?: CaptureParameters;
 }
 
-export interface GetPaymentRequestCapturesRequest {
+export interface AuthorizePaymentRequestRequest {
     paymentRequestId: string;
-    limit?: number;
-    idempotencyKey?: string;
+    forUserId?: string;
+    data?: PaymentRequestAuthParameters;
 }
 
 export interface ResendPaymentRequestAuthRequest {
     paymentRequestId: string;
-    idempotencyKey?: string;
+    forUserId?: string;
 }
 
 /**
@@ -94,14 +95,10 @@ export class PaymentRequestApi extends runtime.BaseAPI {
     }
 
     /**
-     * Payment Request Authorize
-     * Payment Request Authorize
+     * Create Payment Request
+     * Create Payment Request
      */
-    private async authorizePaymentRequestRaw(requestParameters: AuthorizePaymentRequestRequest): Promise<runtime.ApiResponse<PaymentRequest>> {
-        if (requestParameters.paymentRequestId === null || requestParameters.paymentRequestId === undefined) {
-            throw new runtime.RequiredError('paymentRequestId','Required parameter requestParameters.paymentRequestId was null or undefined when calling authorizePaymentRequest.');
-        }
-
+    private async createPaymentRequestRaw(requestParameters: CreatePaymentRequestRequest): Promise<runtime.ApiResponse<PaymentRequest>> {
         const queryParameters: any = {};
 
         const headerParameters: runtime.HTTPHeaders = {};
@@ -113,33 +110,37 @@ export class PaymentRequestApi extends runtime.BaseAPI {
             headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
         }
 
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
+        }
+
         const response = await this.request({
-            path: `/payment_requests/{paymentRequestId}/auth`.replace(`{${"paymentRequestId"}}`, encodeURIComponent(String(requestParameters.paymentRequestId))),
+            path: `/payment_requests`,
             method: 'POST',
             headers: headerParameters,
             query: queryParameters,
-            body: PaymentRequestAuthParametersToJSON(requestParameters.data),
+            body: PaymentRequestParametersToJSON(requestParameters.data),
         });
 
         return new runtime.JSONApiResponse(response, (jsonValue) => PaymentRequestFromJSON(jsonValue));
     }
 
     /**
-     * Payment Request Authorize
-     * Payment Request Authorize
+     * Create Payment Request
+     * Create Payment Request
      */
-    async authorizePaymentRequest(requestParameters: AuthorizePaymentRequestRequest): Promise<PaymentRequest> {
-        const response = await this.authorizePaymentRequestRaw(requestParameters);
+    async createPaymentRequest(requestParameters: CreatePaymentRequestRequest = {}): Promise<PaymentRequest> {
+        const response = await this.createPaymentRequestRaw(requestParameters);
         return await response.value();
     }
 
     /**
-     * Payment Request Capture
-     * Payment Request Capture
+     * Get payment request by ID
+     * Get payment request by ID
      */
-    private async capturePaymentRequestRaw(requestParameters: CapturePaymentRequestRequest): Promise<runtime.ApiResponse<Capture>> {
+    private async getPaymentRequestByIDRaw(requestParameters: GetPaymentRequestByIDRequest): Promise<runtime.ApiResponse<PaymentRequest>> {
         if (requestParameters.paymentRequestId === null || requestParameters.paymentRequestId === undefined) {
-            throw new runtime.RequiredError('paymentRequestId','Required parameter requestParameters.paymentRequestId was null or undefined when calling capturePaymentRequest.');
+            throw new runtime.RequiredError('paymentRequestId','Required parameter requestParameters.paymentRequestId was null or undefined when calling getPaymentRequestByID.');
         }
 
         const queryParameters: any = {};
@@ -147,65 +148,67 @@ export class PaymentRequestApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        headerParameters['Content-Type'] = 'application/json';
-
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
-            path: `/payment_requests/{paymentRequestId}/captures`.replace(`{${"paymentRequestId"}}`, encodeURIComponent(String(requestParameters.paymentRequestId))),
-            method: 'POST',
+            path: `/payment_requests/{paymentRequestId}`.replace(`{${"paymentRequestId"}}`, encodeURIComponent(String(requestParameters.paymentRequestId))),
+            method: 'GET',
             headers: headerParameters,
             query: queryParameters,
-            body: CaptureParametersToJSON(requestParameters.data),
         });
 
-        return new runtime.JSONApiResponse(response, (jsonValue) => CaptureFromJSON(jsonValue));
+        return new runtime.JSONApiResponse(response, (jsonValue) => PaymentRequestFromJSON(jsonValue));
     }
 
     /**
-     * Payment Request Capture
-     * Payment Request Capture
+     * Get payment request by ID
+     * Get payment request by ID
      */
-    async capturePaymentRequest(requestParameters: CapturePaymentRequestRequest): Promise<Capture> {
-        const response = await this.capturePaymentRequestRaw(requestParameters);
+    async getPaymentRequestByID(requestParameters: GetPaymentRequestByIDRequest): Promise<PaymentRequest> {
+        const response = await this.getPaymentRequestByIDRaw(requestParameters);
         return await response.value();
     }
 
     /**
-     * Create Payment Request
-     * Create Payment Request
+     * Get Payment Request Capture
+     * Get Payment Request Capture
      */
-    private async createPaymentRequestRaw(requestParameters: CreatePaymentRequestRequest): Promise<runtime.ApiResponse<PaymentRequest>> {
+    private async getPaymentRequestCapturesRaw(requestParameters: GetPaymentRequestCapturesRequest): Promise<runtime.ApiResponse<CaptureListResponse>> {
+        if (requestParameters.paymentRequestId === null || requestParameters.paymentRequestId === undefined) {
+            throw new runtime.RequiredError('paymentRequestId','Required parameter requestParameters.paymentRequestId was null or undefined when calling getPaymentRequestCaptures.');
+        }
+
         const queryParameters: any = {};
 
+        if (requestParameters.limit !== undefined) {
+            queryParameters['limit'] = requestParameters.limit;
+        }
+
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        headerParameters['Content-Type'] = 'application/json';
-
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
-            path: `/payment_requests`,
-            method: 'POST',
+            path: `/payment_requests/{paymentRequestId}/captures`.replace(`{${"paymentRequestId"}}`, encodeURIComponent(String(requestParameters.paymentRequestId))),
+            method: 'GET',
             headers: headerParameters,
             query: queryParameters,
-            body: PaymentRequestParametersToJSON(requestParameters.data),
         });
 
-        return new runtime.JSONApiResponse(response, (jsonValue) => PaymentRequestFromJSON(jsonValue));
+        return new runtime.JSONApiResponse(response, (jsonValue) => CaptureListResponseFromJSON(jsonValue));
     }
 
     /**
-     * Create Payment Request
-     * Create Payment Request
+     * Get Payment Request Capture
+     * Get Payment Request Capture
      */
-    async createPaymentRequest(requestParameters: CreatePaymentRequestRequest = {}): Promise<PaymentRequest> {
-        const response = await this.createPaymentRequestRaw(requestParameters);
+    async getPaymentRequestCaptures(requestParameters: GetPaymentRequestCapturesRequest): Promise<CaptureListResponse> {
+        const response = await this.getPaymentRequestCapturesRaw(requestParameters);
         return await response.value();
     }
 
@@ -243,8 +246,8 @@ export class PaymentRequestApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
@@ -267,12 +270,12 @@ export class PaymentRequestApi extends runtime.BaseAPI {
     }
 
     /**
-     * Get payment request by ID
-     * Get payment request by ID
+     * Payment Request Capture
+     * Payment Request Capture
      */
-    private async getPaymentRequestByIDRaw(requestParameters: GetPaymentRequestByIDRequest): Promise<runtime.ApiResponse<PaymentRequest>> {
+    private async capturePaymentRequestRaw(requestParameters: CapturePaymentRequestRequest): Promise<runtime.ApiResponse<Capture>> {
         if (requestParameters.paymentRequestId === null || requestParameters.paymentRequestId === undefined) {
-            throw new runtime.RequiredError('paymentRequestId','Required parameter requestParameters.paymentRequestId was null or undefined when calling getPaymentRequestByID.');
+            throw new runtime.RequiredError('paymentRequestId','Required parameter requestParameters.paymentRequestId was null or undefined when calling capturePaymentRequest.');
         }
 
         const queryParameters: any = {};
@@ -280,67 +283,69 @@ export class PaymentRequestApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        headerParameters['Content-Type'] = 'application/json';
+
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
-            path: `/payment_requests/{paymentRequestId}`.replace(`{${"paymentRequestId"}}`, encodeURIComponent(String(requestParameters.paymentRequestId))),
-            method: 'GET',
+            path: `/payment_requests/{paymentRequestId}/captures`.replace(`{${"paymentRequestId"}}`, encodeURIComponent(String(requestParameters.paymentRequestId))),
+            method: 'POST',
             headers: headerParameters,
             query: queryParameters,
+            body: CaptureParametersToJSON(requestParameters.data),
         });
 
-        return new runtime.JSONApiResponse(response, (jsonValue) => PaymentRequestFromJSON(jsonValue));
+        return new runtime.JSONApiResponse(response, (jsonValue) => CaptureFromJSON(jsonValue));
     }
 
     /**
-     * Get payment request by ID
-     * Get payment request by ID
+     * Payment Request Capture
+     * Payment Request Capture
      */
-    async getPaymentRequestByID(requestParameters: GetPaymentRequestByIDRequest): Promise<PaymentRequest> {
-        const response = await this.getPaymentRequestByIDRaw(requestParameters);
+    async capturePaymentRequest(requestParameters: CapturePaymentRequestRequest): Promise<Capture> {
+        const response = await this.capturePaymentRequestRaw(requestParameters);
         return await response.value();
     }
 
     /**
-     * Get Payment Request Capture
-     * Get Payment Request Capture
+     * Payment Request Authorize
+     * Payment Request Authorize
      */
-    private async getPaymentRequestCapturesRaw(requestParameters: GetPaymentRequestCapturesRequest): Promise<runtime.ApiResponse<CaptureListResponse>> {
+    private async authorizePaymentRequestRaw(requestParameters: AuthorizePaymentRequestRequest): Promise<runtime.ApiResponse<PaymentRequest>> {
         if (requestParameters.paymentRequestId === null || requestParameters.paymentRequestId === undefined) {
-            throw new runtime.RequiredError('paymentRequestId','Required parameter requestParameters.paymentRequestId was null or undefined when calling getPaymentRequestCaptures.');
+            throw new runtime.RequiredError('paymentRequestId','Required parameter requestParameters.paymentRequestId was null or undefined when calling authorizePaymentRequest.');
         }
 
         const queryParameters: any = {};
 
-        if (requestParameters.limit !== undefined) {
-            queryParameters['limit'] = requestParameters.limit;
-        }
-
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        headerParameters['Content-Type'] = 'application/json';
+
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
-            path: `/payment_requests/{paymentRequestId}/captures`.replace(`{${"paymentRequestId"}}`, encodeURIComponent(String(requestParameters.paymentRequestId))),
-            method: 'GET',
+            path: `/payment_requests/{paymentRequestId}/auth`.replace(`{${"paymentRequestId"}}`, encodeURIComponent(String(requestParameters.paymentRequestId))),
+            method: 'POST',
             headers: headerParameters,
             query: queryParameters,
+            body: PaymentRequestAuthParametersToJSON(requestParameters.data),
         });
 
-        return new runtime.JSONApiResponse(response, (jsonValue) => CaptureListResponseFromJSON(jsonValue));
+        return new runtime.JSONApiResponse(response, (jsonValue) => PaymentRequestFromJSON(jsonValue));
     }
 
     /**
-     * Get Payment Request Capture
-     * Get Payment Request Capture
+     * Payment Request Authorize
+     * Payment Request Authorize
      */
-    async getPaymentRequestCaptures(requestParameters: GetPaymentRequestCapturesRequest): Promise<CaptureListResponse> {
-        const response = await this.getPaymentRequestCapturesRaw(requestParameters);
+    async authorizePaymentRequest(requestParameters: AuthorizePaymentRequestRequest): Promise<PaymentRequest> {
+        const response = await this.authorizePaymentRequestRaw(requestParameters);
         return await response.value();
     }
 
@@ -358,8 +363,8 @@ export class PaymentRequestApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
diff --git a/payment_request/models/DirectDebitChannelCode.ts b/payment_request/models/DirectDebitChannelCode.ts
index e19b459..da30f2d 100644
--- a/payment_request/models/DirectDebitChannelCode.ts
+++ b/payment_request/models/DirectDebitChannelCode.ts
@@ -74,7 +74,8 @@ export const DirectDebitChannelCode = {
     PublicFpxBusiness: 'PUBLIC_FPX_BUSINESS',
     RhbFpxBusiness: 'RHB_FPX_BUSINESS',
     SchFpxBusiness: 'SCH_FPX_BUSINESS',
-    UobFpxBusiness: 'UOB_FPX_BUSINESS'
+    UobFpxBusiness: 'UOB_FPX_BUSINESS',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type DirectDebitChannelCode = typeof DirectDebitChannelCode[keyof typeof DirectDebitChannelCode];
 
@@ -84,6 +85,11 @@ export function DirectDebitChannelCodeFromJSON(json: any): DirectDebitChannelCod
 }
 
 export function DirectDebitChannelCodeFromJSONTyped(json: any, ignoreDiscriminator: boolean): DirectDebitChannelCode {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(DirectDebitChannelCode)[Object.values(DirectDebitChannelCode).indexOf(json)]
+        return DirectDebitChannelCode[key] === undefined ?
+            DirectDebitChannelCode['XenditEnumDefaultFallback'] : DirectDebitChannelCode[key]
+    }
     return json as DirectDebitChannelCode;
 }
 
diff --git a/payment_request/models/DirectDebitType.ts b/payment_request/models/DirectDebitType.ts
index 5164ee3..1f6bb02 100644
--- a/payment_request/models/DirectDebitType.ts
+++ b/payment_request/models/DirectDebitType.ts
@@ -14,7 +14,8 @@
 export const DirectDebitType = {
     DebitCard: 'DEBIT_CARD',
     BankAccount: 'BANK_ACCOUNT',
-    BankRedirect: 'BANK_REDIRECT'
+    BankRedirect: 'BANK_REDIRECT',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type DirectDebitType = typeof DirectDebitType[keyof typeof DirectDebitType];
 
@@ -24,6 +25,11 @@ export function DirectDebitTypeFromJSON(json: any): DirectDebitType {
 }
 
 export function DirectDebitTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): DirectDebitType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(DirectDebitType)[Object.values(DirectDebitType).indexOf(json)]
+        return DirectDebitType[key] === undefined ?
+            DirectDebitType['XenditEnumDefaultFallback'] : DirectDebitType[key]
+    }
     return json as DirectDebitType;
 }
 
diff --git a/payment_request/models/EWalletChannelCode.ts b/payment_request/models/EWalletChannelCode.ts
index b9e1bf7..55675c5 100644
--- a/payment_request/models/EWalletChannelCode.ts
+++ b/payment_request/models/EWalletChannelCode.ts
@@ -30,7 +30,8 @@ export const EWalletChannelCode = {
     Wechatpay: 'WECHATPAY',
     Linepay: 'LINEPAY',
     Truemoney: 'TRUEMONEY',
-    Alipay: 'ALIPAY'
+    Alipay: 'ALIPAY',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type EWalletChannelCode = typeof EWalletChannelCode[keyof typeof EWalletChannelCode];
 
@@ -40,6 +41,11 @@ export function EWalletChannelCodeFromJSON(json: any): EWalletChannelCode {
 }
 
 export function EWalletChannelCodeFromJSONTyped(json: any, ignoreDiscriminator: boolean): EWalletChannelCode {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(EWalletChannelCode)[Object.values(EWalletChannelCode).indexOf(json)]
+        return EWalletChannelCode[key] === undefined ?
+            EWalletChannelCode['XenditEnumDefaultFallback'] : EWalletChannelCode[key]
+    }
     return json as EWalletChannelCode;
 }
 
diff --git a/payment_request/models/OverTheCounterChannelCode.ts b/payment_request/models/OverTheCounterChannelCode.ts
index ef95074..dd0f8ef 100644
--- a/payment_request/models/OverTheCounterChannelCode.ts
+++ b/payment_request/models/OverTheCounterChannelCode.ts
@@ -27,7 +27,8 @@ export const OverTheCounterChannelCode = {
     SmBills: 'SM_BILLS',
     RobinsonsBills: 'ROBINSONS_BILLS',
     Alfamart: 'ALFAMART',
-    Indomaret: 'INDOMARET'
+    Indomaret: 'INDOMARET',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type OverTheCounterChannelCode = typeof OverTheCounterChannelCode[keyof typeof OverTheCounterChannelCode];
 
@@ -37,6 +38,11 @@ export function OverTheCounterChannelCodeFromJSON(json: any): OverTheCounterChan
 }
 
 export function OverTheCounterChannelCodeFromJSONTyped(json: any, ignoreDiscriminator: boolean): OverTheCounterChannelCode {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(OverTheCounterChannelCode)[Object.values(OverTheCounterChannelCode).indexOf(json)]
+        return OverTheCounterChannelCode[key] === undefined ?
+            OverTheCounterChannelCode['XenditEnumDefaultFallback'] : OverTheCounterChannelCode[key]
+    }
     return json as OverTheCounterChannelCode;
 }
 
diff --git a/payment_request/models/PaymentMethodReusability.ts b/payment_request/models/PaymentMethodReusability.ts
index f085d23..2401449 100644
--- a/payment_request/models/PaymentMethodReusability.ts
+++ b/payment_request/models/PaymentMethodReusability.ts
@@ -13,7 +13,8 @@
  */
 export const PaymentMethodReusability = {
     MultipleUse: 'MULTIPLE_USE',
-    OneTimeUse: 'ONE_TIME_USE'
+    OneTimeUse: 'ONE_TIME_USE',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentMethodReusability = typeof PaymentMethodReusability[keyof typeof PaymentMethodReusability];
 
@@ -23,6 +24,11 @@ export function PaymentMethodReusabilityFromJSON(json: any): PaymentMethodReusab
 }
 
 export function PaymentMethodReusabilityFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentMethodReusability {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentMethodReusability)[Object.values(PaymentMethodReusability).indexOf(json)]
+        return PaymentMethodReusability[key] === undefined ?
+            PaymentMethodReusability['XenditEnumDefaultFallback'] : PaymentMethodReusability[key]
+    }
     return json as PaymentMethodReusability;
 }
 
diff --git a/payment_request/models/PaymentMethodStatus.ts b/payment_request/models/PaymentMethodStatus.ts
index e3c4875..d2a2bb2 100644
--- a/payment_request/models/PaymentMethodStatus.ts
+++ b/payment_request/models/PaymentMethodStatus.ts
@@ -16,7 +16,8 @@ export const PaymentMethodStatus = {
     Inactive: 'INACTIVE',
     Pending: 'PENDING',
     Expired: 'EXPIRED',
-    Failed: 'FAILED'
+    Failed: 'FAILED',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentMethodStatus = typeof PaymentMethodStatus[keyof typeof PaymentMethodStatus];
 
@@ -26,6 +27,11 @@ export function PaymentMethodStatusFromJSON(json: any): PaymentMethodStatus {
 }
 
 export function PaymentMethodStatusFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentMethodStatus {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentMethodStatus)[Object.values(PaymentMethodStatus).indexOf(json)]
+        return PaymentMethodStatus[key] === undefined ?
+            PaymentMethodStatus['XenditEnumDefaultFallback'] : PaymentMethodStatus[key]
+    }
     return json as PaymentMethodStatus;
 }
 
diff --git a/payment_request/models/PaymentMethodType.ts b/payment_request/models/PaymentMethodType.ts
index e3b3c42..0a98e21 100644
--- a/payment_request/models/PaymentMethodType.ts
+++ b/payment_request/models/PaymentMethodType.ts
@@ -17,7 +17,8 @@ export const PaymentMethodType = {
     Ewallet: 'EWALLET',
     OverTheCounter: 'OVER_THE_COUNTER',
     QrCode: 'QR_CODE',
-    VirtualAccount: 'VIRTUAL_ACCOUNT'
+    VirtualAccount: 'VIRTUAL_ACCOUNT',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentMethodType = typeof PaymentMethodType[keyof typeof PaymentMethodType];
 
@@ -27,6 +28,11 @@ export function PaymentMethodTypeFromJSON(json: any): PaymentMethodType {
 }
 
 export function PaymentMethodTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentMethodType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentMethodType)[Object.values(PaymentMethodType).indexOf(json)]
+        return PaymentMethodType[key] === undefined ?
+            PaymentMethodType['XenditEnumDefaultFallback'] : PaymentMethodType[key]
+    }
     return json as PaymentMethodType;
 }
 
diff --git a/payment_request/models/PaymentRequestCaptureMethod.ts b/payment_request/models/PaymentRequestCaptureMethod.ts
index faa6e27..ad39496 100644
--- a/payment_request/models/PaymentRequestCaptureMethod.ts
+++ b/payment_request/models/PaymentRequestCaptureMethod.ts
@@ -13,7 +13,8 @@
  */
 export const PaymentRequestCaptureMethod = {
     Automatic: 'AUTOMATIC',
-    Manual: 'MANUAL'
+    Manual: 'MANUAL',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentRequestCaptureMethod = typeof PaymentRequestCaptureMethod[keyof typeof PaymentRequestCaptureMethod];
 
@@ -23,6 +24,11 @@ export function PaymentRequestCaptureMethodFromJSON(json: any): PaymentRequestCa
 }
 
 export function PaymentRequestCaptureMethodFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentRequestCaptureMethod {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentRequestCaptureMethod)[Object.values(PaymentRequestCaptureMethod).indexOf(json)]
+        return PaymentRequestCaptureMethod[key] === undefined ?
+            PaymentRequestCaptureMethod['XenditEnumDefaultFallback'] : PaymentRequestCaptureMethod[key]
+    }
     return json as PaymentRequestCaptureMethod;
 }
 
diff --git a/payment_request/models/PaymentRequestCountry.ts b/payment_request/models/PaymentRequestCountry.ts
index a69b0b9..fb8bf9c 100644
--- a/payment_request/models/PaymentRequestCountry.ts
+++ b/payment_request/models/PaymentRequestCountry.ts
@@ -16,7 +16,8 @@ export const PaymentRequestCountry = {
     Ph: 'PH',
     Vn: 'VN',
     Th: 'TH',
-    My: 'MY'
+    My: 'MY',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentRequestCountry = typeof PaymentRequestCountry[keyof typeof PaymentRequestCountry];
 
@@ -26,6 +27,11 @@ export function PaymentRequestCountryFromJSON(json: any): PaymentRequestCountry
 }
 
 export function PaymentRequestCountryFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentRequestCountry {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentRequestCountry)[Object.values(PaymentRequestCountry).indexOf(json)]
+        return PaymentRequestCountry[key] === undefined ?
+            PaymentRequestCountry['XenditEnumDefaultFallback'] : PaymentRequestCountry[key]
+    }
     return json as PaymentRequestCountry;
 }
 
diff --git a/payment_request/models/PaymentRequestCurrency.ts b/payment_request/models/PaymentRequestCurrency.ts
index 6cad834..b73b8cc 100644
--- a/payment_request/models/PaymentRequestCurrency.ts
+++ b/payment_request/models/PaymentRequestCurrency.ts
@@ -16,7 +16,8 @@ export const PaymentRequestCurrency = {
     Php: 'PHP',
     Vnd: 'VND',
     Thb: 'THB',
-    Myr: 'MYR'
+    Myr: 'MYR',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentRequestCurrency = typeof PaymentRequestCurrency[keyof typeof PaymentRequestCurrency];
 
@@ -26,6 +27,11 @@ export function PaymentRequestCurrencyFromJSON(json: any): PaymentRequestCurrenc
 }
 
 export function PaymentRequestCurrencyFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentRequestCurrency {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentRequestCurrency)[Object.values(PaymentRequestCurrency).indexOf(json)]
+        return PaymentRequestCurrency[key] === undefined ?
+            PaymentRequestCurrency['XenditEnumDefaultFallback'] : PaymentRequestCurrency[key]
+    }
     return json as PaymentRequestCurrency;
 }
 
diff --git a/payment_request/models/PaymentRequestInitiator.ts b/payment_request/models/PaymentRequestInitiator.ts
index ba29f70..eb6049c 100644
--- a/payment_request/models/PaymentRequestInitiator.ts
+++ b/payment_request/models/PaymentRequestInitiator.ts
@@ -13,7 +13,8 @@
  */
 export const PaymentRequestInitiator = {
     Customer: 'CUSTOMER',
-    Merchant: 'MERCHANT'
+    Merchant: 'MERCHANT',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentRequestInitiator = typeof PaymentRequestInitiator[keyof typeof PaymentRequestInitiator];
 
@@ -23,6 +24,11 @@ export function PaymentRequestInitiatorFromJSON(json: any): PaymentRequestInitia
 }
 
 export function PaymentRequestInitiatorFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentRequestInitiator {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentRequestInitiator)[Object.values(PaymentRequestInitiator).indexOf(json)]
+        return PaymentRequestInitiator[key] === undefined ?
+            PaymentRequestInitiator['XenditEnumDefaultFallback'] : PaymentRequestInitiator[key]
+    }
     return json as PaymentRequestInitiator;
 }
 
diff --git a/payment_request/models/PaymentRequestStatus.ts b/payment_request/models/PaymentRequestStatus.ts
index e86f6f4..270613f 100644
--- a/payment_request/models/PaymentRequestStatus.ts
+++ b/payment_request/models/PaymentRequestStatus.ts
@@ -19,7 +19,8 @@ export const PaymentRequestStatus = {
     Failed: 'FAILED',
     Voided: 'VOIDED',
     Unknown: 'UNKNOWN',
-    AwaitingCapture: 'AWAITING_CAPTURE'
+    AwaitingCapture: 'AWAITING_CAPTURE',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type PaymentRequestStatus = typeof PaymentRequestStatus[keyof typeof PaymentRequestStatus];
 
@@ -29,6 +30,11 @@ export function PaymentRequestStatusFromJSON(json: any): PaymentRequestStatus {
 }
 
 export function PaymentRequestStatusFromJSONTyped(json: any, ignoreDiscriminator: boolean): PaymentRequestStatus {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(PaymentRequestStatus)[Object.values(PaymentRequestStatus).indexOf(json)]
+        return PaymentRequestStatus[key] === undefined ?
+            PaymentRequestStatus['XenditEnumDefaultFallback'] : PaymentRequestStatus[key]
+    }
     return json as PaymentRequestStatus;
 }
 
diff --git a/payment_request/models/QRCodeChannelCode.ts b/payment_request/models/QRCodeChannelCode.ts
index 16b83fe..9d4a1e3 100644
--- a/payment_request/models/QRCodeChannelCode.ts
+++ b/payment_request/models/QRCodeChannelCode.ts
@@ -15,7 +15,8 @@ export const QRCodeChannelCode = {
     Dana: 'DANA',
     Rcbc: 'RCBC',
     Linkaja: 'LINKAJA',
-    Promptpay: 'PROMPTPAY'
+    Promptpay: 'PROMPTPAY',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type QRCodeChannelCode = typeof QRCodeChannelCode[keyof typeof QRCodeChannelCode];
 
@@ -25,6 +26,11 @@ export function QRCodeChannelCodeFromJSON(json: any): QRCodeChannelCode {
 }
 
 export function QRCodeChannelCodeFromJSONTyped(json: any, ignoreDiscriminator: boolean): QRCodeChannelCode {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(QRCodeChannelCode)[Object.values(QRCodeChannelCode).indexOf(json)]
+        return QRCodeChannelCode[key] === undefined ?
+            QRCodeChannelCode['XenditEnumDefaultFallback'] : QRCodeChannelCode[key]
+    }
     return json as QRCodeChannelCode;
 }
 
diff --git a/payment_request/models/VirtualAccountChannelCode.ts b/payment_request/models/VirtualAccountChannelCode.ts
index 7d77834..c185b0a 100644
--- a/payment_request/models/VirtualAccountChannelCode.ts
+++ b/payment_request/models/VirtualAccountChannelCode.ts
@@ -26,7 +26,8 @@ export const VirtualAccountChannelCode = {
     Vietcapital: 'VIETCAPITAL',
     Woori: 'WOORI',
     Msb: 'MSB',
-    StandardChartered: 'STANDARD_CHARTERED'
+    StandardChartered: 'STANDARD_CHARTERED',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type VirtualAccountChannelCode = typeof VirtualAccountChannelCode[keyof typeof VirtualAccountChannelCode];
 
@@ -36,6 +37,11 @@ export function VirtualAccountChannelCodeFromJSON(json: any): VirtualAccountChan
 }
 
 export function VirtualAccountChannelCodeFromJSONTyped(json: any, ignoreDiscriminator: boolean): VirtualAccountChannelCode {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(VirtualAccountChannelCode)[Object.values(VirtualAccountChannelCode).indexOf(json)]
+        return VirtualAccountChannelCode[key] === undefined ?
+            VirtualAccountChannelCode['XenditEnumDefaultFallback'] : VirtualAccountChannelCode[key]
+    }
     return json as VirtualAccountChannelCode;
 }
 
diff --git a/payout/apis/Payout.ts b/payout/apis/Payout.ts
index fd617fd..82df693 100644
--- a/payout/apis/Payout.ts
+++ b/payout/apis/Payout.ts
@@ -28,11 +28,6 @@ import {
     GetPayouts200ResponseDataInnerToJSON,
 } from '../models';
 
-export interface CancelPayoutRequest {
-    id: string;
-    idempotencyKey?: string;
-}
-
 export interface CreatePayoutOperationRequest {
     idempotencyKey: string;
     forUserId?: string;
@@ -41,14 +36,14 @@ export interface CreatePayoutOperationRequest {
 
 export interface GetPayoutByIdRequest {
     id: string;
-    idempotencyKey?: string;
+    forUserId?: string;
 }
 
 export interface GetPayoutChannelsRequest {
     currency?: string;
     channelCategory?: Array<ChannelCategory>;
     channelCode?: string;
-    idempotencyKey?: string;
+    forUserId?: string;
 }
 
 export interface GetPayoutsRequest {
@@ -56,7 +51,12 @@ export interface GetPayoutsRequest {
     limit?: number;
     afterId?: string;
     beforeId?: string;
-    idempotencyKey?: string;
+    forUserId?: string;
+}
+
+export interface CancelPayoutRequest {
+    id: string;
+    forUserId?: string;
 }
 
 /**
@@ -75,41 +75,6 @@ export class PayoutApi extends runtime.BaseAPI {
         this.secretKey = secretKey;
     }
 
-    /**
-     * API to cancel requested payouts that have not yet been sent to partner banks and e-wallets. Cancellation is possible if the payout has not been sent out via our partner and when payout status is ACCEPTED.
-     */
-    private async cancelPayoutRaw(requestParameters: CancelPayoutRequest): Promise<runtime.ApiResponse<GetPayouts200ResponseDataInner>> {
-        if (requestParameters.id === null || requestParameters.id === undefined) {
-            throw new runtime.RequiredError('id','Required parameter requestParameters.id was null or undefined when calling cancelPayout.');
-        }
-
-        const queryParameters: any = {};
-
-        const headerParameters: runtime.HTTPHeaders = {};
-        headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
-
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
-        }
-
-        const response = await this.request({
-            path: `/v2/payouts/{id}/cancel`.replace(`{${"id"}}`, encodeURIComponent(String(requestParameters.id))),
-            method: 'POST',
-            headers: headerParameters,
-            query: queryParameters,
-        });
-
-        return new runtime.JSONApiResponse(response, (jsonValue) => GetPayouts200ResponseDataInnerFromJSON(jsonValue));
-    }
-
-    /**
-     * API to cancel requested payouts that have not yet been sent to partner banks and e-wallets. Cancellation is possible if the payout has not been sent out via our partner and when payout status is ACCEPTED.
-     */
-    async cancelPayout(requestParameters: CancelPayoutRequest): Promise<GetPayouts200ResponseDataInner> {
-        const response = await this.cancelPayoutRaw(requestParameters);
-        return await response.value();
-    }
-
     /**
      * API to send money at scale to bank accounts & eWallets
      */
@@ -165,8 +130,8 @@ export class PayoutApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
@@ -208,8 +173,8 @@ export class PayoutApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
@@ -259,8 +224,8 @@ export class PayoutApi extends runtime.BaseAPI {
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
-            headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
         }
 
         const response = await this.request({
@@ -281,4 +246,39 @@ export class PayoutApi extends runtime.BaseAPI {
         return await response.value();
     }
 
+    /**
+     * API to cancel requested payouts that have not yet been sent to partner banks and e-wallets. Cancellation is possible if the payout has not been sent out via our partner and when payout status is ACCEPTED.
+     */
+    private async cancelPayoutRaw(requestParameters: CancelPayoutRequest): Promise<runtime.ApiResponse<GetPayouts200ResponseDataInner>> {
+        if (requestParameters.id === null || requestParameters.id === undefined) {
+            throw new runtime.RequiredError('id','Required parameter requestParameters.id was null or undefined when calling cancelPayout.');
+        }
+
+        const queryParameters: any = {};
+
+        const headerParameters: runtime.HTTPHeaders = {};
+        headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
+
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
+        }
+
+        const response = await this.request({
+            path: `/v2/payouts/{id}/cancel`.replace(`{${"id"}}`, encodeURIComponent(String(requestParameters.id))),
+            method: 'POST',
+            headers: headerParameters,
+            query: queryParameters,
+        });
+
+        return new runtime.JSONApiResponse(response, (jsonValue) => GetPayouts200ResponseDataInnerFromJSON(jsonValue));
+    }
+
+    /**
+     * API to cancel requested payouts that have not yet been sent to partner banks and e-wallets. Cancellation is possible if the payout has not been sent out via our partner and when payout status is ACCEPTED.
+     */
+    async cancelPayout(requestParameters: CancelPayoutRequest): Promise<GetPayouts200ResponseDataInner> {
+        const response = await this.cancelPayoutRaw(requestParameters);
+        return await response.value();
+    }
+
 }
diff --git a/payout/models/ChannelAccountType.ts b/payout/models/ChannelAccountType.ts
index d26ecc9..26b7a78 100644
--- a/payout/models/ChannelAccountType.ts
+++ b/payout/models/ChannelAccountType.ts
@@ -16,7 +16,8 @@ export const ChannelAccountType = {
     MobileNo: 'MOBILE_NO',
     Passport: 'PASSPORT',
     BusinessRegistration: 'BUSINESS_REGISTRATION',
-    BankAccount: 'BANK_ACCOUNT'
+    BankAccount: 'BANK_ACCOUNT',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type ChannelAccountType = typeof ChannelAccountType[keyof typeof ChannelAccountType];
 
@@ -26,6 +27,11 @@ export function ChannelAccountTypeFromJSON(json: any): ChannelAccountType {
 }
 
 export function ChannelAccountTypeFromJSONTyped(json: any, ignoreDiscriminator: boolean): ChannelAccountType {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(ChannelAccountType)[Object.values(ChannelAccountType).indexOf(json)]
+        return ChannelAccountType[key] === undefined ?
+            ChannelAccountType['XenditEnumDefaultFallback'] : ChannelAccountType[key]
+    }
     return json as ChannelAccountType;
 }
 
diff --git a/payout/models/ChannelCategory.ts b/payout/models/ChannelCategory.ts
index 8259b1d..9eb404c 100644
--- a/payout/models/ChannelCategory.ts
+++ b/payout/models/ChannelCategory.ts
@@ -14,7 +14,8 @@
 export const ChannelCategory = {
     Bank: 'BANK',
     Ewallet: 'EWALLET',
-    Otc: 'OTC'
+    Otc: 'OTC',
+    XenditEnumDefaultFallback: "UNKNOWN_ENUM_VALUE"
 } as const;
 export type ChannelCategory = typeof ChannelCategory[keyof typeof ChannelCategory];
 
@@ -24,6 +25,11 @@ export function ChannelCategoryFromJSON(json: any): ChannelCategory {
 }
 
 export function ChannelCategoryFromJSONTyped(json: any, ignoreDiscriminator: boolean): ChannelCategory {
+    if (json !== "" || json !== null) {
+        const key = Object.keys(ChannelCategory)[Object.values(ChannelCategory).indexOf(json)]
+        return ChannelCategory[key] === undefined ?
+            ChannelCategory['XenditEnumDefaultFallback'] : ChannelCategory[key]
+    }
     return json as ChannelCategory;
 }
 
diff --git a/refund/apis/Refund.ts b/refund/apis/Refund.ts
index 048f02c..960b21c 100644
--- a/refund/apis/Refund.ts
+++ b/refund/apis/Refund.ts
@@ -15,7 +15,7 @@ import type {
   CreateRefund404Response,
   CreateRefund409Response,
   CreateRefund503Response,
-  CreateRefundDefaultResponse,
+  GetAllRefundsDefaultResponse,
   Refund,
   RefundList,
 } from '../models';
@@ -32,27 +32,41 @@ import {
     CreateRefund409ResponseToJSON,
     CreateRefund503ResponseFromJSON,
     CreateRefund503ResponseToJSON,
-    CreateRefundDefaultResponseFromJSON,
-    CreateRefundDefaultResponseToJSON,
+    GetAllRefundsDefaultResponseFromJSON,
+    GetAllRefundsDefaultResponseToJSON,
     RefundFromJSON,
     RefundToJSON,
     RefundListFromJSON,
     RefundListToJSON,
 } from '../models';
 
-export interface CancelRefundRequest {
-    refundID: string;
-    idempotencyKey?: string;
-}
-
 export interface CreateRefundRequest {
     idempotencyKey?: string;
+    forUserId?: string;
     data?: CreateRefund;
 }
 
 export interface GetRefundRequest {
     refundID: string;
     idempotencyKey?: string;
+    forUserId?: string;
+}
+
+export interface GetAllRefundsRequest {
+    forUserId?: string;
+    paymentRequestId?: string;
+    invoiceId?: string;
+    paymentMethodType?: string;
+    channelCode?: string;
+    limit?: number;
+    afterId?: string;
+    beforeId?: string;
+}
+
+export interface CancelRefundRequest {
+    refundID: string;
+    idempotencyKey?: string;
+    forUserId?: string;
 }
 
 /**
@@ -73,25 +87,28 @@ export class RefundApi extends runtime.BaseAPI {
 
     /**
      */
-    private async cancelRefundRaw(requestParameters: CancelRefundRequest): Promise<runtime.ApiResponse<Refund>> {
-        if (requestParameters.refundID === null || requestParameters.refundID === undefined) {
-            throw new runtime.RequiredError('refundID','Required parameter requestParameters.refundID was null or undefined when calling cancelRefund.');
-        }
-
+    private async createRefundRaw(requestParameters: CreateRefundRequest): Promise<runtime.ApiResponse<Refund>> {
         const queryParameters: any = {};
 
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
+        headerParameters['Content-Type'] = 'application/json';
+
         if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
             headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
         }
 
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
+        }
+
         const response = await this.request({
-            path: `/refunds/{refundID}/cancel`.replace(`{${"refundID"}}`, encodeURIComponent(String(requestParameters.refundID))),
+            path: `/refunds`,
             method: 'POST',
             headers: headerParameters,
             query: queryParameters,
+            body: CreateRefundToJSON(requestParameters.data),
         });
 
         return new runtime.JSONApiResponse(response, (jsonValue) => RefundFromJSON(jsonValue));
@@ -99,31 +116,36 @@ export class RefundApi extends runtime.BaseAPI {
 
     /**
      */
-    async cancelRefund(requestParameters: CancelRefundRequest): Promise<Refund> {
-        const response = await this.cancelRefundRaw(requestParameters);
+    async createRefund(requestParameters: CreateRefundRequest = {}): Promise<Refund> {
+        const response = await this.createRefundRaw(requestParameters);
         return await response.value();
     }
 
     /**
      */
-    private async createRefundRaw(requestParameters: CreateRefundRequest): Promise<runtime.ApiResponse<Refund>> {
+    private async getRefundRaw(requestParameters: GetRefundRequest): Promise<runtime.ApiResponse<Refund>> {
+        if (requestParameters.refundID === null || requestParameters.refundID === undefined) {
+            throw new runtime.RequiredError('refundID','Required parameter requestParameters.refundID was null or undefined when calling getRefund.');
+        }
+
         const queryParameters: any = {};
 
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
-        headerParameters['Content-Type'] = 'application/json';
-
         if (requestParameters.idempotencyKey !== undefined && requestParameters.idempotencyKey !== null) {
             headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
         }
 
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
+        }
+
         const response = await this.request({
-            path: `/refunds`,
-            method: 'POST',
+            path: `/refunds/{refundID}`.replace(`{${"refundID"}}`, encodeURIComponent(String(requestParameters.refundID))),
+            method: 'GET',
             headers: headerParameters,
             query: queryParameters,
-            body: CreateRefundToJSON(requestParameters.data),
         });
 
         return new runtime.JSONApiResponse(response, (jsonValue) => RefundFromJSON(jsonValue));
@@ -131,21 +153,53 @@ export class RefundApi extends runtime.BaseAPI {
 
     /**
      */
-    async createRefund(requestParameters: CreateRefundRequest = {}): Promise<Refund> {
-        const response = await this.createRefundRaw(requestParameters);
+    async getRefund(requestParameters: GetRefundRequest): Promise<Refund> {
+        const response = await this.getRefundRaw(requestParameters);
         return await response.value();
     }
 
     /**
      */
-    private async getAllRefundsRaw(): Promise<runtime.ApiResponse<RefundList>> {
+    private async getAllRefundsRaw(requestParameters: GetAllRefundsRequest): Promise<runtime.ApiResponse<RefundList>> {
         const queryParameters: any = {};
 
+        if (requestParameters.paymentRequestId !== undefined) {
+            queryParameters['payment_request_id'] = requestParameters.paymentRequestId;
+        }
+
+        if (requestParameters.invoiceId !== undefined) {
+            queryParameters['invoice_id'] = requestParameters.invoiceId;
+        }
+
+        if (requestParameters.paymentMethodType !== undefined) {
+            queryParameters['payment_method_type'] = requestParameters.paymentMethodType;
+        }
+
+        if (requestParameters.channelCode !== undefined) {
+            queryParameters['channel_code'] = requestParameters.channelCode;
+        }
+
+        if (requestParameters.limit !== undefined) {
+            queryParameters['limit'] = requestParameters.limit;
+        }
+
+        if (requestParameters.afterId !== undefined) {
+            queryParameters['after_id'] = requestParameters.afterId;
+        }
+
+        if (requestParameters.beforeId !== undefined) {
+            queryParameters['before_id'] = requestParameters.beforeId;
+        }
+
         const headerParameters: runtime.HTTPHeaders = {};
         headerParameters["Authorization"] = "Basic " + btoa(this.secretKey + ":");
 
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
+        }
+
         const response = await this.request({
-            path: `/refunds/`,
+            path: `/refunds`,
             method: 'GET',
             headers: headerParameters,
             query: queryParameters,
@@ -156,16 +210,16 @@ export class RefundApi extends runtime.BaseAPI {
 
     /**
      */
-    async getAllRefunds(): Promise<RefundList> {
-        const response = await this.getAllRefundsRaw();
+    async getAllRefunds(requestParameters: GetAllRefundsRequest = {}): Promise<RefundList> {
+        const response = await this.getAllRefundsRaw(requestParameters);
         return await response.value();
     }
 
     /**
      */
-    private async getRefundRaw(requestParameters: GetRefundRequest): Promise<runtime.ApiResponse<Refund>> {
+    private async cancelRefundRaw(requestParameters: CancelRefundRequest): Promise<runtime.ApiResponse<Refund>> {
         if (requestParameters.refundID === null || requestParameters.refundID === undefined) {
-            throw new runtime.RequiredError('refundID','Required parameter requestParameters.refundID was null or undefined when calling getRefund.');
+            throw new runtime.RequiredError('refundID','Required parameter requestParameters.refundID was null or undefined when calling cancelRefund.');
         }
 
         const queryParameters: any = {};
@@ -177,9 +231,13 @@ export class RefundApi extends runtime.BaseAPI {
             headerParameters['idempotency-key'] = String(requestParameters.idempotencyKey);
         }
 
+        if (requestParameters.forUserId !== undefined && requestParameters.forUserId !== null) {
+            headerParameters['for-user-id'] = String(requestParameters.forUserId);
+        }
+
         const response = await this.request({
-            path: `/refunds/{refundID}`.replace(`{${"refundID"}}`, encodeURIComponent(String(requestParameters.refundID))),
-            method: 'GET',
+            path: `/refunds/{refundID}/cancel`.replace(`{${"refundID"}}`, encodeURIComponent(String(requestParameters.refundID))),
+            method: 'POST',
             headers: headerParameters,
             query: queryParameters,
         });
@@ -189,8 +247,8 @@ export class RefundApi extends runtime.BaseAPI {
 
     /**
      */
-    async getRefund(requestParameters: GetRefundRequest): Promise<Refund> {
-        const response = await this.getRefundRaw(requestParameters);
+    async cancelRefund(requestParameters: CancelRefundRequest): Promise<Refund> {
+        const response = await this.cancelRefundRaw(requestParameters);
         return await response.value();
     }
 
diff --git a/refund/models/CreateRefundDefaultResponse.ts b/refund/models/GetAllRefundsDefaultResponse.ts
similarity index 56%
rename from refund/models/CreateRefundDefaultResponse.ts
rename to refund/models/GetAllRefundsDefaultResponse.ts
index 32d5db3..7f2c87c 100644
--- a/refund/models/CreateRefundDefaultResponse.ts
+++ b/refund/models/GetAllRefundsDefaultResponse.ts
@@ -10,37 +10,37 @@ import { exists, mapValues } from '../../runtime';
 /**
  * 
  * @export
- * @interface CreateRefundDefaultResponse
+ * @interface GetAllRefundsDefaultResponse
  */
-export interface CreateRefundDefaultResponse {
+export interface GetAllRefundsDefaultResponse {
     /**
      * 
      * @type {string}
-     * @memberof CreateRefundDefaultResponse
+     * @memberof GetAllRefundsDefaultResponse
      */
     errorCode?: string;
     /**
      * 
      * @type {string}
-     * @memberof CreateRefundDefaultResponse
+     * @memberof GetAllRefundsDefaultResponse
      */
     message?: string;
 }
 
 /**
- * Check if a given object implements the CreateRefundDefaultResponse interface.
+ * Check if a given object implements the GetAllRefundsDefaultResponse interface.
  */
-export function instanceOfCreateRefundDefaultResponse(value: object): boolean {
+export function instanceOfGetAllRefundsDefaultResponse(value: object): boolean {
     let isInstance = true;
 
     return isInstance;
 }
 
-export function CreateRefundDefaultResponseFromJSON(json: any): CreateRefundDefaultResponse {
-    return CreateRefundDefaultResponseFromJSONTyped(json, false);
+export function GetAllRefundsDefaultResponseFromJSON(json: any): GetAllRefundsDefaultResponse {
+    return GetAllRefundsDefaultResponseFromJSONTyped(json, false);
 }
 
-export function CreateRefundDefaultResponseFromJSONTyped(json: any, ignoreDiscriminator: boolean): CreateRefundDefaultResponse {
+export function GetAllRefundsDefaultResponseFromJSONTyped(json: any, ignoreDiscriminator: boolean): GetAllRefundsDefaultResponse {
     if ((json === undefined) || (json === null)) {
         return json;
     }
@@ -51,7 +51,7 @@ export function CreateRefundDefaultResponseFromJSONTyped(json: any, ignoreDiscri
     };
 }
 
-export function CreateRefundDefaultResponseToJSON(value?: CreateRefundDefaultResponse | null): any {
+export function GetAllRefundsDefaultResponseToJSON(value?: GetAllRefundsDefaultResponse | null): any {
     if (value === undefined) {
         return undefined;
     }
diff --git a/refund/models/index.ts b/refund/models/index.ts
index d58289f..2406531 100644
--- a/refund/models/index.ts
+++ b/refund/models/index.ts
@@ -6,6 +6,6 @@ export * from './CreateRefund403Response';
 export * from './CreateRefund404Response';
 export * from './CreateRefund409Response';
 export * from './CreateRefund503Response';
-export * from './CreateRefundDefaultResponse';
+export * from './GetAllRefundsDefaultResponse';
 export * from './Refund';
 export * from './RefundList';
diff --git a/runtime.ts b/runtime.ts
index b5f738e..4f9ac9b 100644
--- a/runtime.ts
+++ b/runtime.ts
@@ -136,7 +136,7 @@ export class BaseAPI {
         const headers = Object.assign({}, this.configuration.headers, context.headers);
         Object.keys(headers).forEach(key => headers[key] === undefined ? delete headers[key] : {});
         headers['xendit-lib'] = 'node';
-        headers['xendit-lib-ver'] = '3.3.0';
+        headers['xendit-lib-ver'] = '3.4.0';
 
         const initParams = {
             method: context.method,
diff --git a/tsconfig.json b/tsconfig.json
index 4567ec1..bb66d9b 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,12 +1,12 @@
 {
   "compilerOptions": {
     "declaration": true,
-    "target": "es5",
+    "target": "es2017",
     "module": "commonjs",
     "moduleResolution": "node",
     "outDir": "dist",
     "lib": [
-      "es6",
+      "es2017",
       "dom"
     ],
     "typeRoots": [