v1
latestOpenAPI 3.1.0MIT2026-07-2152556.1 KBQuery Refund Supported Chains
Query supported networks for refund currencies. Returns chain information for the given order currency.
get/v2/refund/support/chains
Query parameters
currencystring required
Example:USDT
Order currency
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
Supported chains retrieved successfully