v1
latestOpenAPI 3.1.0MIT2026-07-2152556.1 KBCheckout Refund Details
Query cashier refund details by merchant refund ID. Returns full refund status and transaction information.
get/v2/pay/refund/details
Query parameters
refundRequestIdstring required
Merchant refund ID, max 32 characters
Headers
X-GatePay-Certificate-ClientIdstring required
Example:4186d0c6-6a35-55a9-8dc6-5312769dbff8
Merchant client ID, obtained from GatePay platform
X-GatePay-Signaturestring required
Example:672d5650dcc9bb22ebf25fa16c28d03c0e159d742a9176d4340a5da326d75dc8a2ec24c97fa6fc5d1533dd6e968863747e1d86a45e562cbe899f9ed7e9ca7f77
HMAC-SHA256 signature for request validation
X-GatePay-Timestampstring required
Example:1672905655498
Timestamp in milliseconds, must not differ from server time by more than 5 minutes
X-GatePay-Noncestring required
Example:9578
Random nonce for replay attack prevention
Response
Refund details retrieved successfully