diff --git a/packages/waas/src/auth.ts b/packages/waas/src/auth.ts
index a27dc2826..ccb49c607 100644
--- a/packages/waas/src/auth.ts
+++ b/packages/waas/src/auth.ts
@@ -22,9 +22,11 @@ import {
   AdoptChildWalletArgs
 } from './intents'
 import {
+  ConfirmationRequiredResponse,
   FeeOptionsResponse,
   isChildWalletAdoptedResponse,
   isCloseSessionResponse,
+  isConfirmationRequiredResponse,
   isFeeOptionsResponse,
   isFinishValidateSessionResponse,
   isGetAdopterResponse,
@@ -333,6 +335,11 @@ export class SequenceWaaS {
     return this.waitForSessionValid()
   }
 
+  private async handleConfirmationRequired(response: ConfirmationRequiredResponse) {
+    const intent2 = await this.waas.confirmIntent(response.data.salt, "111111")
+    return intent2
+  }
+
   private headers() {
     return {
       'X-Access-Key': this.config.projectAccessKey
@@ -775,6 +782,16 @@ export class SequenceWaaS {
       return response
     }
 
+    if (isConfirmationRequiredResponse(response)) {
+      const intent2 = await this.handleConfirmationRequired(response)
+      if (intent2) {
+        const response2 = await this.sendIntent(intent2)
+        if (isExpectedResponse(response2)) {
+          return response2
+        }
+      }
+    }
+
     if (isValidationRequiredResponse(response)) {
       const proceed = await this.handleValidationRequired(args.validation)
 
diff --git a/packages/waas/src/base.ts b/packages/waas/src/base.ts
index cdde0f509..7b6ec4296 100644
--- a/packages/waas/src/base.ts
+++ b/packages/waas/src/base.ts
@@ -4,6 +4,7 @@ import {
   changeIntentTime,
   closeSession,
   combineTransactionIntents,
+  confirmIntent,
   feeOptions,
   finishValidateSession,
   getAdopter,
@@ -50,7 +51,8 @@ import {
   IntentDataOpenSession,
   IntentDataSendTransaction,
   IntentDataSignMessage,
-  IntentDataValidateSession
+  IntentDataValidateSession,
+  IntentDataConfirmIntent,
 } from './clients/intent.gen'
 import { getDefaultSubtleCryptoBackend, SubtleCryptoBackend } from './subtle-crypto'
 import { getDefaultSecureStoreBackend, SecureStoreBackend } from './secure-store'
@@ -513,6 +515,17 @@ export class SequenceWaaSBase {
     return this.signIntent(intent)
   }
 
+  async confirmIntent(salt: string, secretCode: string): Promise<SignedIntent<IntentDataConfirmIntent>> {
+    const intent = confirmIntent({
+      lifespan: DEFAULT_LIFESPAN,
+      wallet: await this.getWalletAddress(),
+      confirmationID: salt,
+      challengeAnswer: ethers.id(salt + secretCode),
+    })
+
+    return this.signIntent(intent)
+  }
+
   async getSession(): Promise<SignedIntent<IntentDataGetSession>> {
     const sessionId = await this.sessionId.get()
     if (!sessionId) {
diff --git a/packages/waas/src/intents/responses.ts b/packages/waas/src/intents/responses.ts
index 6af89ba43..7a1829e00 100644
--- a/packages/waas/src/intents/responses.ts
+++ b/packages/waas/src/intents/responses.ts
@@ -10,7 +10,8 @@ import {
   IntentResponseGetSession,
   IntentResponseIdToken,
   IntentResponseValidationFinished,
-  IntentResponseValidationStarted
+  IntentResponseValidationStarted,
+  IntentResponseConfirmationRequired,
 } from '../clients/intent.gen'
 import { WebrpcEndpointError, WebrpcError } from '../clients/authenticator.gen'
 
@@ -127,6 +128,7 @@ export interface Response<Code, Data> {
 
 export type InitiateAuthResponse = Response<IntentResponseCode.authInitiated, IntentResponseAuthInitiated>
 export type ValidateSessionResponse = Response<IntentResponseCode.validationStarted, IntentResponseValidationStarted>
+export type ConfirmationRequiredResponse = Response<IntentResponseCode.confirmationRequired, IntentResponseConfirmationRequired>
 export type FinishValidateSessionResponse = Response<IntentResponseCode.validationFinished, IntentResponseValidationFinished>
 export type GetSessionResponse = Response<IntentResponseCode.getSessionResponse, IntentResponseGetSession>
 export type LinkAccountResponse = Response<IntentResponseCode.accountFederated, IntentResponseAccountFederated>
@@ -249,6 +251,15 @@ export function isFinishValidateSessionResponse(receipt: any): receipt is Finish
   return typeof receipt === 'object' && receipt.code === IntentResponseCode.validationFinished && typeof receipt.data === 'object'
 }
 
+export function isConfirmationRequiredResponse(receipt: any): receipt is ConfirmationRequiredResponse {
+  return (
+    typeof receipt === 'object' &&
+    receipt.code === IntentResponseCode.confirmationRequired &&
+    typeof receipt.data === 'object' &&
+    typeof receipt.data.salt === 'string'
+  )
+}
+
 export function isCloseSessionResponse(receipt: any): receipt is CloseSessionResponse {
   return typeof receipt === 'object' && typeof receipt.code === 'string' && receipt.code === 'sessionClosed'
 }
diff --git a/packages/waas/src/intents/session.ts b/packages/waas/src/intents/session.ts
index e8028fe77..4a534bbc4 100644
--- a/packages/waas/src/intents/session.ts
+++ b/packages/waas/src/intents/session.ts
@@ -11,7 +11,8 @@ import {
   IntentDataGetIdToken,
   IntentName,
   IntentDataAdoptChildWallet,
-  IntentDataGetAdopter
+  IntentDataGetAdopter,
+  IntentDataConfirmIntent,
 } from '../clients/intent.gen'
 
 interface BaseArgs {
@@ -83,3 +84,9 @@ export type GetAdopterArgs = BaseArgs & IntentDataGetAdopter
 export function getAdopter({ lifespan, ...data }: GetAdopterArgs): Intent<IntentDataGetAdopter> {
   return makeIntent(IntentName.getAdopter, lifespan, data)
 }
+
+export type ConfirmIntentArgs = BaseArgs & IntentDataConfirmIntent
+
+export function confirmIntent({ lifespan, ...data }: ConfirmIntentArgs): Intent<IntentDataConfirmIntent> {
+  return makeIntent(IntentName.confirmIntent, lifespan, data)
+}