v4

latestOpenAPI 3.1.02026-08-08186985685.3 KB
checkout

Sepa/Faster Payments Checkout (Saved Account)

Initiates a Sepa/Faster Payments payment order. Returns destination account info. Must be paid before the returned expiration date (5 minutes).

post/checkout/iban/token

Headers

x-coinflow-auth-session-keystring required

Request body

feePercentagenumber double

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.

jwtTokenstring

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.

stellarTransactionstring

(Stellar only) Base64 XDR transaction string for executing a merchant contract call on a successful purchase.

For transaction purchases, pass the base64 XDR string created using .toXDR() on a transaction built with generated TypeScript bindings (e.g., NftClientWrapper.buildNftPurchaseTx).

For direct USDC transfers (no merchant transaction), omit this field or pass undefined.

Gas fees for the transaction will be automatically calculated and added to the total charged to the customer.

settlementType'Credits' | 'USDC'
destinationAuthKeystring

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.

overrideChargebackProtectionDecisionboolean
doNotReviewChargebackProtectionboolean
merchantIdstring required

Merchant Identifier

tokenstring required

Token for the account to be used for checkout

Response

Ok

paymentIdstring required
accountstring required
sortCodestring
expiresstring required
accountHolderNamestring required
referencestring