Get a payment method by its ID.
Basic authentication header of the form Basic <encoded-value>, where <encoded-value> is the base64-encoded string username:password.
ID of the payment method to get
OK
ach, paypal, venmo, cash_app, intl_transfer, airtm, payoneer ID of the payment-method.
Indicates if RTP is enabled for the payment method (applies to ach only).
Optional metadata for the payout method. Can be any valid JSON value (object, string, number, boolean, array, or null).