v1
latestOpenAPI 3.1.02026-07-21152963.1 KBConfirm OTC Recharge Payment Completed
Notify the system that the merchant has completed the offline fiat transfer. This endpoint uses multipart/form-data. When generating the signature, use the plain text payload "timestamp\nnonce\n\n" and do not append the multipart body.
post/open/otc/api/recharge/confirm
Headers
X-GatePay-Certificate-ClientIdstring required
Merchant application client ID used to identify the calling app.
X-GatePay-Signaturestring required
HMAC signature generated from the request according to GatePay signing rules.
X-GatePay-Timestampstring required
Unix timestamp used for replay protection and signature verification.
X-GatePay-Noncestring required
Random nonce used together with the timestamp to prevent replay attacks.
X-GatePay-On-Behalf-Ofstring
Institutional sub-account UID. Only required when an institution submits a request on behalf of a sub-account; not required for direct merchant requests.
Response
Success