v1
latestOpenAPI 3.0.02026-07-262561105.1 KBTransactions API
Refund Transaction
Refunds a transaction. You can either refund the entire amount or specify a partial amount.
post/transactions/{transaction_id}/refund
Path parameters
transaction_idstring required
Example:ABCD-1234
A unique ID representing the transaction’s loan or charge ID.
Headers
Idempotency-Keystring
Unique identifier pre-generated by the client and used by the server to recognize successive calls to the same endpoint. This is required for Split Capture and encouraged for single transaction functionality. Note: If a request fails or times out, use the same idempotency key to retry the operation without risk of double-processing. For details, see the Idempotency section on About Split Capture.
Request body
Example request
{
"amount": 20000,
"reference_id": "202307011027"
}Response
HTTP 200 OK