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Payment methods are external bank accounts where you can send fiat from a custodial account. Set them up by logging into the Coinbase Prime UI. Since they’re tied to your entity, any account in your organization can use them. This is the primary mechanism for sending outbound fiat payments from your custodial accounts.

How payment methods fit your integration

  1. List the payment methods linked to your entity to see which bank accounts are available.
  2. Create a transfer with the payment method’s paymentMethodId as the target.
  3. The funds settle to the external bank over the corresponding rail (Fedwire, Swift, or SEPA).
Payment methods are currently supported only as transfer targets (outbound). They cannot be used as a source for inbound funding.

Payment method types

TypeBehavior
Fedwire (fedwire)Sends USD over the Fedwire domestic wire network to a US bank
Swift (swift)Sends fiat over the Swift international wire network to a foreign bank
SEPA (sepa)Sends EUR over the SEPA network to a bank in the EU

Key fields

Each payment method includes:
FieldDescription
paymentMethodIdUnique identifier, used as target.paymentMethodId in transfers
activeWhether the payment method is currently usable. Only active: true methods will succeed in a transfer
paymentRailThe rail the payment method uses (fedwire, swift, or sepa)
Rail-specific objectBank details for the selected rail. Fedwire returns bankName, accountLast4, routingNumber. Swift returns bankName, accountLast4, bic. SEPA returns bankName, ibanLast4, bic. Each also includes the asset

Core API operations

OperationWhat it does
List payment methodsGET /v2/payment-methods — paginated payment methods linked to your entity
Get payment methodGET /v2/payment-methods/{paymentMethodId} — fetch a single payment method by ID

Quickstart

List payment methods and use one as a transfer target

REST API reference

Full API reference for payment method operations

Transfers

Create a transfer that sends funds to a payment method

Supported networks and assets

Reference for supported fiat rails and assets