API ReferenceCheckout

US Wire Domestic Payments Checkout (Saved Account)

Initiates a US Domestic Wire Payments payment order with a saved account. Returns destination account info. Must be paid before the returned expiration date (5 minutes).

Authentication

x-coinflow-auth-session-keystring

The session key generated for the end user - see https://docs.coinflow.cash/reference/authentication

OR
x-coinflow-auth-walletstring

The web3 wallet of the end user - see https://docs.coinflow.cash/reference/authentication

x-coinflow-auth-blockchainstring

The blockchain associated with the end user - see https://docs.coinflow.cash/reference/authentication

Request

This endpoint expects an object.
subtotalobjectRequired
merchantIdstringRequired
Merchant Identifier
tokenstringRequired
Token for the account to be used for checkout
fixedFeeobjectOptional
customerInfoobjectOptional
webhookInfoobjectOptional
feePercentagedoubleOptional0-100

If this purchase is for a seller/submerchant where the marketplace takes a fee, this is the % fee which is taken from the subtotal amount.

jwtTokenstringOptional
This is a token encoding the parameters for the request. Allows purchase parameters to be verified to prevent manipulation when the checkout page is presented to the user.
settlementTypeenumOptional
Allowed values:
customerUsdcTransferDataobjectOptional

Customer signed USDC transferWithAuthorization data for dual-source payments Used for combined USDC + Credit Card payments on EVM chains

transactionDataobjectOptional

(EVM only) if you want to execute an EVM transaction on a successful purchase, you can pass a transaction request here.

Gas fees for the transaction will be automatically calculated and added to the total charged to the customer. Optionally the merchant can opt to pay for these gas fees.

rentobjectOptional

(Solana only) if your transaction requires a known amount of Rent to be paid, you can pass it here.

destinationAuthKeystringOptional
If utilizing USDC settlement to addresses other than your main merchant settlement address. Utilize this destinationAuthKey which is a JWT encoded with the information for which address to send the USDC to.
wireRoutingNumberstringOptional

Response

Ok
recipientNamestring
addressobject
paymentIdstring
account_numberstring
memostring
amountobject
expiresstring

Errors