API RequestsProtocol: CHECKOUTBasic OperationsRefundRefund POST /api/v1/payment/refund Sends a refund request for a specific payment identified by payment_id. 🔗 Related Checkout Refund:Request parameters · Response parameters · Test Data · Callback notification · Refund hash Request Responses200400401Refund request responseBad request - missing or invalid parametersUnauthorized - invalid merchant key or hash