支付并签约

商户系统调用该接口完成第一次支付并签约。

接口说明

• 测试请求URL：https://test-api.huishouqian.com/api/credit
• 生产请求URL：https://api.huishouqian.com/api/credit
• 请求方式：POST

公共请求参数

业务请求参数

Memo参数域

Memo.detail参数域

Memo.detail.goodsDetail参数域

公共请求示例

{method=POLYMERIZE_MAIN_SWEPTN, format=json, signType=RSA2, ,signContent=【参考业务请求示例】,sign=7ecbad9cb113bd54e6ee45f7fe76883a40428d548b7294ce8f7ba30f211881073820d3ec7a54d3406dcf7a4d3f87f0994c24db54bab430777425147378dbf01afe0491a1c287e5ce380454b0e228a5a20d541874c14addd4100199660e6c4a857fa080ceb4601a0ee21e3fab9d87016198f151a3b16f60a254c1e8b4cd42cdf7, version=1.0, merchantNo=8000000026}

业务请求示例

{
  "subMerchantNo": "S0001",
  "transNo": "ORDER202608010001",
  "payType": "DYNAMIC_DOUYIN",
  "returnUrl": "https://www.merchant.com/notify",
  "pageUrl": "https://www.merchant.com/result",
  "orderAmt": "10000",
  "goodsInfo": "先享后付订单",
  "requestDate": "20260801140908",
  "extend": "自定义数据",
  "reusePay": "FALSE",
  "memo": "{\"appid\":\"awofz9bncda6w2w4\",\"timeExpire\":\"2026-08-01T23:59:59+08:00\",\"attach\":\"附加信息\",\"openid\":\"user_openid_001\",\"deviceId\":\"device_001\",\"spbillCreateIp\":\"192.168.1.10\",\"payerDeviceId\":\"payer_device_001\",\"contractInfo\":{\"merchantAgreementNo\":\"CONTRACT202608010001\",\"contractMchid\":\"1670000001\",\"contractAppid\":\"awofz9bncda6w2w4\",\"contractDisplayAccount\":\"用户展示账号\",\"contractNotifyUrl\":\"https://example.com/contract-notify\",\"contractExt\":\"{\\\"signAndPayModel\\\":\\\"signMustPayWithCheckbox\\\"}\",\"serviceId\":\"67\"},\"goodsTag\":\"{\\\"assignDiscounts\\\":\\\"5c38c871fa71383aac7da37a8b1df480\\\"}\",\"detail\":{\"costPrice\":10000,\"invoiceId\":\"invoice_001\",\"goodsDetail\":[{\"merchantGoodsId\":\"goods_001\",\"douyinpayGoodsId\":\"dy_goods_001\",\"goodsName\":\"示例商品\",\"quantity\":1,\"unitPrice\":10000,\"discountAmount\":0}]}}"
}

公共响应参数

业务响应参数

公共响应示例

{
"success":true,
"result":"【业务响应示例】",
"errorCode":null,
"errorMsg":null,
"sign":"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"
}

业务响应示例

{
  "transNo": "ORDER202608010001",
  "tradeNo": "2026080100000001",
  "orderAmt": "10000",
  "orderStatus": "SUCCESS",
  "finishedDate": "20260801140908",
  "respCode": "0000",
  "respMsg": "成功",
  "qrCode": "dy96y894ox66yv43x10uquv34s5s7sx3oso28squqsx",
  "channelOrderNo": "2026080100000002"
}

交易状态码

交易响应码