Idempotent Requests
The API supports Idempotency for safely retrying requests without performing the same operation twice for Create Payment and Create Transaction endpoints. Add the Idempotency-Key: <key> header to the request using a unique value as the key. Idempotency Keys are honored for 24 hours for 2xx responses. If the supplied Idempotency-Key value matches an existing request the following HTTP Status codes will be returned:
102 PROCESSING: Original request is processing, empty response body409 CONFLICT: Original request processed, original response body