diff --git a/README.md b/README.md
index 5f12627a..00460f44 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,6 @@ interface CreateConfigOptions {
     chainId: number
   }>
   ethAuth?: EthAuthSettings
-  isDev?: boolean
 
   wagmiConfig?: WagmiConfig // optional wagmiConfig overrides
 
diff --git a/examples/react/src/components/Connected.tsx b/examples/react/src/components/Connected.tsx
index 89903ae3..011ac5ec 100644
--- a/examples/react/src/components/Connected.tsx
+++ b/examples/react/src/components/Connected.tsx
@@ -352,7 +352,6 @@ export const Connected = () => {
       currencyAddress,
       collectionAddress,
       creditCardProviders: ['sardine'],
-      isDev: true,
       copyrightText: 'ⓒ2024 Sequence',
       onSuccess: (txnHash: string) => {
         console.log('success!', txnHash)
@@ -382,7 +381,6 @@ export const Connected = () => {
         nftId: checkoutTokenId,
         nftAddress: checkoutTokenContractAddress,
         nftQuantity,
-        isDev: true,
         approvedSpenderAddress: orderbookAddress,
         calldata: getOrderbookCalldata({
           orderId: checkoutOrderId,
diff --git a/examples/react/src/config.ts b/examples/react/src/config.ts
index 571e70b8..6c45af82 100644
--- a/examples/react/src/config.ts
+++ b/examples/react/src/config.ts
@@ -23,7 +23,6 @@ export const kitConfig: KitConfig = {
     projectName: 'Kit Demo',
     useMock: isDebugMode
   },
-  isDev: isDebugMode,
   displayedAssets: [
     // Native token
     {
diff --git a/examples/react/src/utils/helpers.ts b/examples/react/src/utils/helpers.ts
index 1cf33e21..3c34994f 100644
--- a/examples/react/src/utils/helpers.ts
+++ b/examples/react/src/utils/helpers.ts
@@ -35,7 +35,6 @@ export interface GetCheckoutSettings {
   calldata: string
   approvedSpenderAddress?: string
   nftDecimals?: string
-  isDev?: boolean
 }
 
 export const getCheckoutSettings = (args: GetCheckoutSettings) => {
diff --git a/packages/checkout/README.md b/packages/checkout/README.md
index 5b6f587f..9d7874a4 100644
--- a/packages/checkout/README.md
+++ b/packages/checkout/README.md
@@ -116,7 +116,6 @@ const creditCardCheckout = {
       nftId: checkoutTokenId,
       nftAddress: checkoutTokenContractAddress,
       nftQuantity,
-      isDev: true,
       calldata: getOrderbookCalldata({
         orderId: checkoutOrderId,
         quantity: nftQuantity,
diff --git a/packages/checkout/src/api/data.ts b/packages/checkout/src/api/data.ts
index 2bf56b55..da89c6c0 100644
--- a/packages/checkout/src/api/data.ts
+++ b/packages/checkout/src/api/data.ts
@@ -16,20 +16,18 @@ export interface MethodArguments {
 
 export interface FetchSardineClientTokenArgs {
   order: CreditCardCheckout
-  isDev: boolean
   projectAccessKey: string
   tokenMetadata?: TokenMetadata
 }
 
 export const fetchSardineClientToken = async ({
   order,
-  isDev,
   projectAccessKey,
   tokenMetadata
 }: FetchSardineClientTokenArgs): Promise<FetchSardineClientTokenReturn> => {
   // Test credentials: https://docs.sardine.ai/docs/integrate-payments/nft-checkout-testing-credentials
-  const accessKey = isDev ? '17xhjK4yjRf1fr0am8kgKfICAAAAAAAAA' : projectAccessKey
-  const url = isDev
+  const accessKey = DEVMODE ? '17xhjK4yjRf1fr0am8kgKfICAAAAAAAAA' : projectAccessKey
+  const url = DEVMODE
     ? 'https://dev-api.sequence.app/rpc/API/SardineGetNFTCheckoutToken'
     : 'https://api.sequence.app/rpc/API/SardineGetNFTCheckoutToken'
 
@@ -70,10 +68,10 @@ export const fetchSardineClientToken = async ({
   }
 }
 
-export const fetchSardineOrderStatus = async (orderId: string, isDev: boolean, projectAccessKey: string) => {
+export const fetchSardineOrderStatus = async (orderId: string, projectAccessKey: string) => {
   // Test credentials: https://docs.sardine.ai/docs/integrate-payments/nft-checkout-testing-credentials
-  const accessKey = isDev ? '17xhjK4yjRf1fr0am8kgKfICAAAAAAAAA' : projectAccessKey
-  const url = isDev
+  const accessKey = DEVMODE ? '17xhjK4yjRf1fr0am8kgKfICAAAAAAAAA' : projectAccessKey
+  const url = DEVMODE
     ? 'https://dev-api.sequence.app/rpc/API/SardineGetNFTCheckoutOrderStatus'
     : 'https://api.sequence.app/rpc/API/SardineGetNFTCheckoutOrderStatus'
   const response = await fetch(url, {
diff --git a/packages/checkout/src/contexts/CheckoutModal.ts b/packages/checkout/src/contexts/CheckoutModal.ts
index 1956bc94..ff6fb59d 100644
--- a/packages/checkout/src/contexts/CheckoutModal.ts
+++ b/packages/checkout/src/contexts/CheckoutModal.ts
@@ -31,7 +31,6 @@ export interface CreditCardCheckout {
   calldata: string
   onSuccess?: (transactionHash: string, settings: CreditCardCheckout) => void
   onError?: (error: Error, settings: CreditCardCheckout) => void
-  isDev?: boolean
   approvedSpenderAddress?: string
 }
 
diff --git a/packages/checkout/src/contexts/SelectPaymentModal.ts b/packages/checkout/src/contexts/SelectPaymentModal.ts
index 9f477637..8324aec4 100644
--- a/packages/checkout/src/contexts/SelectPaymentModal.ts
+++ b/packages/checkout/src/contexts/SelectPaymentModal.ts
@@ -9,7 +9,7 @@ export interface Collectible {
   quantity: string
   decimals?: number
   price?: string
- }
+}
 
 export interface SelectPaymentSettings {
   collectibles: Collectible[]
@@ -21,7 +21,6 @@ export interface SelectPaymentSettings {
   collectionAddress: string | Hex
   recipientAddress: string | Hex
   approvedSpenderAddress?: string
-  isDev?: boolean
   transactionConfirmations?: number
   onSuccess?: (txHash: string) => void
   onError?: (error: Error) => void
diff --git a/packages/checkout/src/hooks/useSelectPaymentModal.ts b/packages/checkout/src/hooks/useSelectPaymentModal.ts
index 0da8a8e0..8fb699b2 100644
--- a/packages/checkout/src/hooks/useSelectPaymentModal.ts
+++ b/packages/checkout/src/hooks/useSelectPaymentModal.ts
@@ -19,7 +19,6 @@ export const getERC1155SaleContractConfig = ({
   recipientAddress,
   collectibles,
   collectionAddress,
-  isDev = false,
   ...restProps
 }: ERC1155SaleContractSettings): SelectPaymentSettings => {
   const erc1155SalesContractAbi = [
@@ -43,7 +42,15 @@ export const getERC1155SaleContractConfig = ({
   const purchaseTransactionData = encodeFunctionData({
     abi: erc1155SalesContractAbi,
     functionName: 'mint',
-    args: [recipientAddress, collectibles.map(c => BigInt(c.tokenId)), collectibles.map(c => BigInt(c.quantity)), toHex(0), currencyAddress, price, [toHex(0, { size: 32 })]]
+    args: [
+      recipientAddress,
+      collectibles.map(c => BigInt(c.tokenId)),
+      collectibles.map(c => BigInt(c.quantity)),
+      toHex(0),
+      currencyAddress,
+      price,
+      [toHex(0, { size: 32 })]
+    ]
   })
 
   return {
@@ -53,7 +60,6 @@ export const getERC1155SaleContractConfig = ({
     recipientAddress,
     collectibles,
     collectionAddress,
-    isDev,
     txData: purchaseTransactionData,
     ...restProps
   }
diff --git a/packages/checkout/src/utils/sardine.ts b/packages/checkout/src/utils/sardine.ts
index 5ae23bdf..40ea22cc 100644
--- a/packages/checkout/src/utils/sardine.ts
+++ b/packages/checkout/src/utils/sardine.ts
@@ -4,20 +4,19 @@ import { ethers } from 'ethers'
 import { DEVMODE } from '@0xsequence/kit'
 
 export interface CheckSardineWhitelistStatusArgs {
-  isDev: boolean
   chainId: number
   marketplaceAddress: string
 }
 
 export const checkSardineWhitelistStatus = async (
-  { isDev, chainId, marketplaceAddress }: CheckSardineWhitelistStatusArgs,
+  { chainId, marketplaceAddress }: CheckSardineWhitelistStatusArgs,
   projectAccessKey: string
 ) => {
   const referenceId = `sequence-kit-sardine-whitelist-check`
 
-  const accessKey = isDev ? '17xhjK4yjRf1fr0am8kgKfICAAAAAAAAA' : projectAccessKey
+  const accessKey = DEVMODE ? '17xhjK4yjRf1fr0am8kgKfICAAAAAAAAA' : projectAccessKey
 
-  const url = isDev
+  const url = DEVMODE
     ? 'https://dev-api.sequence.app/rpc/API/SardineGetNFTCheckoutToken'
     : 'https://api.sequence.app/rpc/API/SardineGetNFTCheckoutToken'
 
diff --git a/packages/checkout/src/views/PaymentSelection/PayWithCreditCard/index.tsx b/packages/checkout/src/views/PaymentSelection/PayWithCreditCard/index.tsx
index ceb7a4b3..82035c8f 100644
--- a/packages/checkout/src/views/PaymentSelection/PayWithCreditCard/index.tsx
+++ b/packages/checkout/src/views/PaymentSelection/PayWithCreditCard/index.tsx
@@ -36,7 +36,6 @@ export const PayWithCreditCard = ({ settings, disableButtons }: PayWithCreditCar
     collectibles,
     collectionAddress,
     approvedSpenderAddress,
-    isDev = false,
     onSuccess = () => {},
     onError = () => {},
     creditCardProviders = []
@@ -93,7 +92,6 @@ export const PayWithCreditCard = ({ settings, disableButtons }: PayWithCreditCar
         nftAddress: collectionAddress,
         nftQuantity: collectible.quantity,
         nftDecimals: collectible.decimals === undefined ? undefined : String(collectible.decimals),
-        isDev,
         calldata: txData,
         approvedSpenderAddress: approvedSpenderAddress || targetContractAddress
       }
diff --git a/packages/checkout/src/views/PendingTransaction.tsx b/packages/checkout/src/views/PendingTransaction.tsx
index 4567325e..df8920a0 100644
--- a/packages/checkout/src/views/PendingTransaction.tsx
+++ b/packages/checkout/src/views/PendingTransaction.tsx
@@ -28,14 +28,11 @@ export const PendingTransaction = () => {
   )
   const tokenMetadata = tokensMetadata ? tokensMetadata[0] : undefined
 
-  const isDev = settings?.creditCardCheckout?.isDev || false
-
   const disableSardineClientTokenFetch = isLoadingTokenMetadata
 
   const { data, isLoading, isError } = useSardineClientToken(
     {
       order: creditCardCheckout,
-      isDev,
       projectAccessKey: projectAccessKey,
       tokenMetadata: tokenMetadata
     },
@@ -44,7 +41,7 @@ export const PendingTransaction = () => {
 
   const authToken = data?.token
 
-  const url = isDev
+  const url = DEVMODE
     ? `https://sardine-checkout-sandbox.sequence.info?api_url=https://sardine-api-sandbox.sequence.info&client_token=${authToken}&show_features=true`
     : `https://sardine-checkout.sequence.info?api_url=https://sardine-api.sequence.info&client_token=${authToken}&show_features=true`
 
@@ -57,9 +54,8 @@ export const PendingTransaction = () => {
       const { orderId } = data
 
       console.log('Polling for transaction status')
-      const isDev = creditCardCheckout?.isDev || false
 
-      const pollResponse = await fetchSardineOrderStatus(orderId, isDev, projectAccessKey)
+      const pollResponse = await fetchSardineOrderStatus(orderId, projectAccessKey)
       const status = pollResponse.resp.status
       const transactionHash = pollResponse.resp?.transactionHash
 
diff --git a/packages/kit/README.md b/packages/kit/README.md
index 9bab04e2..24ecda62 100644
--- a/packages/kit/README.md
+++ b/packages/kit/README.md
@@ -55,7 +55,6 @@ interface CreateConfigOptions {
     chainId: number
   }>
   ethAuth?: EthAuthSettings
-  isDev?: boolean
 
   wagmiConfig?: WagmiConfig // optional wagmiConfig overrides
 
diff --git a/packages/kit/src/config/defaultConnectors.ts b/packages/kit/src/config/defaultConnectors.ts
index a4fddb3c..178d1404 100644
--- a/packages/kit/src/config/defaultConnectors.ts
+++ b/packages/kit/src/config/defaultConnectors.ts
@@ -23,7 +23,6 @@ export interface CommonConnectorOptions {
 export interface DefaultWaasConnectorOptions extends CommonConnectorOptions {
   waasConfigKey: string
   enableConfirmationModal?: boolean
-  isDev?: boolean
 
   email?: boolean
 
@@ -98,7 +97,7 @@ export const getDefaultConnectors = <T extends WalletType>(walletType: T, option
 }
 
 export const getDefaultWaasConnectors = (options: DefaultWaasConnectorOptions): CreateConnectorFn[] => {
-  const { projectAccessKey, waasConfigKey, appName, enableConfirmationModal, defaultChainId, isDev } = options
+  const { projectAccessKey, waasConfigKey, appName, enableConfirmationModal, defaultChainId } = options
 
   const wallets: Wallet[] = []
 
@@ -108,8 +107,7 @@ export const getDefaultWaasConnectors = (options: DefaultWaasConnectorOptions):
         projectAccessKey,
         waasConfigKey,
         enableConfirmationModal,
-        network: defaultChainId,
-        isDev
+        network: defaultChainId
       })
     )
   }
@@ -123,8 +121,7 @@ export const getDefaultWaasConnectors = (options: DefaultWaasConnectorOptions):
         waasConfigKey,
         googleClientId,
         enableConfirmationModal,
-        network: defaultChainId,
-        isDev
+        network: defaultChainId
       })
     )
   }
@@ -140,8 +137,7 @@ export const getDefaultWaasConnectors = (options: DefaultWaasConnectorOptions):
         appleClientId,
         appleRedirectURI,
         enableConfirmationModal,
-        network: defaultChainId,
-        isDev
+        network: defaultChainId
       })
     )
   }
diff --git a/packages/kit/src/connectors/wagmiConnectors/sequenceWaasConnector.ts b/packages/kit/src/connectors/wagmiConnectors/sequenceWaasConnector.ts
index 317f0d2a..26cb1cec 100644
--- a/packages/kit/src/connectors/wagmiConnectors/sequenceWaasConnector.ts
+++ b/packages/kit/src/connectors/wagmiConnectors/sequenceWaasConnector.ts
@@ -28,7 +28,6 @@ export interface SequenceWaasConnectConfig {
   appleRedirectURI?: string
   enableConfirmationModal?: boolean
   loginType: 'email' | 'google' | 'apple'
-  isDev?: boolean
 }
 
 export type BaseSequenceWaasConnectorOptions = SequenceConfig & SequenceWaasConnectConfig & Partial<ExtendedSequenceConfig>
@@ -53,8 +52,7 @@ export function sequenceWaasWallet(params: BaseSequenceWaasConnectorOptions) {
     [LocalStorageKey.WaasSignInEmail]: string
   }
 
-  const isDev = !!params?.isDev
-  const nodesUrl = isDev ? 'https://dev-nodes.sequence.app' : 'https://nodes.sequence.app'
+  const nodesUrl = DEVMODE ? 'https://dev-nodes.sequence.app' : 'https://nodes.sequence.app'
 
   const showConfirmationModal = params.enableConfirmationModal ?? false
 
diff --git a/packages/kit/src/hooks/useAPIClient.ts b/packages/kit/src/hooks/useAPIClient.ts
index b54b3197..f8dd330f 100644
--- a/packages/kit/src/hooks/useAPIClient.ts
+++ b/packages/kit/src/hooks/useAPIClient.ts
@@ -1,17 +1,14 @@
 import { SequenceAPIClient } from '@0xsequence/api'
 import { useMemo } from 'react'
 
-import { useKitConfig } from '../contexts/KitConfig'
-
 import { useProjectAccessKey } from './useProjectAccessKey'
 
 import { DEVMODE } from '../env'
 
 export const useAPIClient = () => {
   const projectAccessKey = useProjectAccessKey()
-  const { isDev = false } = useKitConfig()
 
-  const clientUrl = isDev ? 'https://dev-api.sequence.app' : 'https://api.sequence.app'
+  const clientUrl = DEVMODE ? 'https://dev-api.sequence.app' : 'https://api.sequence.app'
 
   const apiClient = useMemo(() => {
     return new SequenceAPIClient(clientUrl, projectAccessKey)
diff --git a/packages/kit/src/hooks/useIndexerClient.ts b/packages/kit/src/hooks/useIndexerClient.ts
index 956d826d..ba8c0cd2 100644
--- a/packages/kit/src/hooks/useIndexerClient.ts
+++ b/packages/kit/src/hooks/useIndexerClient.ts
@@ -2,8 +2,6 @@ import { SequenceIndexer } from '@0xsequence/indexer'
 import { ChainId, networks } from '@0xsequence/network'
 import { useMemo } from 'react'
 
-import { useKitConfig } from '../contexts/KitConfig'
-
 import { useProjectAccessKey } from './useProjectAccessKey'
 
 import { DEVMODE } from '../env'
@@ -11,14 +9,12 @@ import { DEVMODE } from '../env'
 export const useIndexerClient = (chainId: ChainId) => {
   const projectAccessKey = useProjectAccessKey()
 
-  const { isDev = false } = useKitConfig()
-
   const indexerClients = useMemo(() => {
     return new Map<ChainId, SequenceIndexer>()
-  }, [projectAccessKey, isDev])
+  }, [projectAccessKey])
 
   const network = networks[chainId]
-  const clientUrl = isDev ? `https://dev-${network.name}-indexer.sequence.app` : `https://${network.name}-indexer.sequence.app`
+  const clientUrl = DEVMODE ? `https://dev-${network.name}-indexer.sequence.app` : `https://${network.name}-indexer.sequence.app`
 
   if (!indexerClients.has(chainId)) {
     indexerClients.set(chainId, new SequenceIndexer(clientUrl, projectAccessKey))
@@ -36,17 +32,17 @@ export const useIndexerClient = (chainId: ChainId) => {
 export const useIndexerClients = (chainIds: ChainId[]) => {
   const projectAccessKey = useProjectAccessKey()
 
-  const { isDev = false } = useKitConfig()
-
   const indexerClients = useMemo(() => {
     return new Map<ChainId, SequenceIndexer>()
-  }, [projectAccessKey, isDev])
+  }, [projectAccessKey])
 
   const result = new Map<ChainId, SequenceIndexer>()
 
   for (const chainId of chainIds) {
     const network = networks[chainId]
-    const clientUrl = isDev ? `https://dev-${network.name}-indexer.sequence.app` : `https://${network.name}-indexer.sequence.app`
+    const clientUrl = DEVMODE
+      ? `https://dev-${network.name}-indexer.sequence.app`
+      : `https://${network.name}-indexer.sequence.app`
 
     if (!indexerClients.has(chainId)) {
       indexerClients.set(chainId, new SequenceIndexer(clientUrl, projectAccessKey))
diff --git a/packages/kit/src/hooks/useMetadataClient.ts b/packages/kit/src/hooks/useMetadataClient.ts
index 5191134c..7103157f 100644
--- a/packages/kit/src/hooks/useMetadataClient.ts
+++ b/packages/kit/src/hooks/useMetadataClient.ts
@@ -1,8 +1,6 @@
 import { SequenceMetadata } from '@0xsequence/metadata'
 import { useMemo } from 'react'
 
-import { useKitConfig } from '../contexts/KitConfig'
-
 import { useProjectAccessKey } from './useProjectAccessKey'
 
 import { DEVMODE } from '../env'
@@ -10,10 +8,8 @@ import { DEVMODE } from '../env'
 export const useMetadataClient = () => {
   const projectAccessKey = useProjectAccessKey()
 
-  const { isDev = false } = useKitConfig()
-
   const metadataClient = useMemo(() => {
-    const clientUrl = isDev ? 'https://dev-metadata.sequence.app' : 'https://metadata.sequence.app'
+    const clientUrl = DEVMODE ? 'https://dev-metadata.sequence.app' : 'https://metadata.sequence.app'
 
     return new SequenceMetadata(clientUrl, projectAccessKey)
   }, [projectAccessKey])
diff --git a/packages/kit/src/types.ts b/packages/kit/src/types.ts
index 5ef32da5..f407809d 100644
--- a/packages/kit/src/types.ts
+++ b/packages/kit/src/types.ts
@@ -75,7 +75,6 @@ export interface KitConfig {
   }
   displayedAssets?: DisplayedAsset[]
   ethAuth?: EthAuthSettings
-  isDev?: boolean
 }
 
 export type StorageItem = {