CheckOut Payment

POST

/cashier/checkStandPayment

OnlinePay will obtain the HTTP Header referer to verify the website source. The website source must be configured by OnlinePay to be verified. If you do not access the interface through a browser, you need to actively add a referer.

Request

Body Params application/json

Example

{
  "merNo": 111111,
  "merOrderNo": "222222",
  "currencyCode": "USD",
  "sourceAmount": "100.05",
  "returnUrl": "https://example.com",
  "notifyUrl": "https://example.com/notify",
  "paymentMode": "Boost",
  "sign": "906FDF4880B00B00281F2AB61AE9A721",
  "userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36",
  "ipAddress": "192.168.1.1",
  "productInfoList": [
    {
      "sku": "PROD001",
      "productName": "Example Product",
      "price": "100.05",
      "quantity": "1"
    }
  ],
  "version": "V3.0.0"
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location '/cashier/checkStandPayment' \
--header 'Content-Type: application/json' \
--data '{
  "merNo": 111111,
  "merOrderNo": "222222",
  "currencyCode": "USD",
  "sourceAmount": "100.05",
  "returnUrl": "https://example.com",
  "notifyUrl": "https://example.com/notify",
  "paymentMode": "Boost",
  "sign": "906FDF4880B00B00281F2AB61AE9A721",
  "userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36",
  "ipAddress": "192.168.1.1",
  "productInfoList": [
    {
      "sku": "PROD001",
      "productName": "Example Product",
      "price": "100.05",
      "quantity": "1"
    }
  ],
  "version": "V3.0.0"
}'

Responses

🟢200Success

application/json

Bodyapplication/json

Example

{
    "code":"00000",
    "message":"SUCCESS",
    "data":{
        "payCode":0,
        "tradeNo":"3333333",
        "merorderNo":"222222",
        "payUrl":"https://abc.com/"
     }
}

Modified at 2026-05-19 09:17:35

Vietnam Pay API

WeChat API