curl --location --request POST 'https://your-api-server.com' \
--header 'Content-Type: application/json' \
--data-raw '{
"notifyType": "TXN",
"transactionId": "2028704543449423872",
"txnType": "SALE",
"merchantNo": "800209",
"merchantTxnId": "1b580d11-5d46-4a7a-995d-5c0d3df2f314",
"responseTime": "2026-03-03 13:30:30",
"txnTime": "2026-03-03 13:30:29",
"txnTimeZone": "+08:00",
"orderAmount": "10.00",
"orderCurrency": "USD",
"status": "S",
"cardBinCountry": "SG",
"reason": "{\"respCode\":\"20000\",\"respMsg\":\"Success\"}",
"sign": "b20de0b547d63c3b65c7aabb71eccff3e53184347e183ef675c157a3901ed6ea",
"paymentMethod": "VISA",
"paymentMethodDetails": "{\"card\":{\"checks\":{\"addressCheck\":null,\"postalCodeCheck\":null,\"avsResultRawCode\":null,\"threeDSecureResult\":{\"version\":\"UNKNOWN\",\"authenticationFlow\":\"FRICTIONLESS\",\"chargebackLiability\":\"MERCHANT\",\"transStatus\":null,\"transStatusReason\":null,\"veresEnrolled\":null,\"eci\":\"05\",\"cvvResult\":null,\"avsFullResult\":null,\"cavvResult\":\"MjAyNi0wMy0wM1QxMzozMDozMC4zNjA=\"}},\"holderName\":\"CL BRW2\",\"year\":\"2026\",\"month\":\"05\",\"cardType\":null,\"productCategory\":null,\"issuer\":null,\"authorizationCode\":null,\"cardNumber\":\"476134******1390\"}}" // 卡信息(JSON 字符串格式,参与签名)
}'