{ "trxNo": "TRX1714012345678", "amount": 99.99, "reason": "Customer requested cancellation" }
curl --location '/checkout/w-payment/refund' \ --header 'Content-Type: application/json' \ --data '{ "trxNo": "TRX1714012345678", "amount": 99.99, "reason": "Customer requested cancellation" }'
{ "retcode": "200", "retmsg": "success", "retdata": { "refundNo":"REF-20240423-001" } }