Pay
Open hosted selection for an immutable payment request.
POST
Pay
Send the immutable payment
request from a thread. The returned hosted url lets the account holder review the exact amount and payee, choose an eligible method, and confirm before any charge. Read the thread for the provider-confirmed outcome; a checkout URL is not proof of payment. A standalone payment-method setup endpoint is not public yet.Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Body
application/json
The immutable payment request returned in the thread.
Required string length:
1 - 200Pattern:
^[A-Za-z0-9][A-Za-z0-9_.:-]*$Example:
"payment-request-id"
A stable key for this payment request. Reuse it with the same request after a timeout.
Required string length:
1 - 200Pattern:
^[A-Za-z0-9][A-Za-z0-9_.:-]*$Response
Authorized state. Pending auth or checkout is not completion.
- Option 1
- Option 2
- Option 3
- Option 4
Required string length:
1 - 200Pattern:
^[A-Za-z0-9][A-Za-z0-9_.:-]*$Allowed value:
"selection_required"Pattern:
^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$Maximum string length:
2048Required string length:
1 - 200Pattern:
^[A-Za-z0-9][A-Za-z0-9_.:-]*$Last modified on October 5, 2026