| Parameter | Type | Mandatory | Description | Sample |
|---|---|---|---|---|
| out_trade_no | String(64) | Y | The unique order id passed by the merchant. | 6823789339978248 |
| qr_code | String | Y | The URL for QR code of this request. The merchant can use it to generate the matching QR code. | https://qr.alipay.com/bavh4wjlxf12tper3a| |
| code | String(64) | Y | The return code if the transaction is successful. | 10000 for success, 40004 for failure. |
Sample response:
{
"alipay_trade_precreate_response": {
"code": "10000",
"msg": "处理成功",
"out_trade_no": "6823789339978248",
"qr_code": "https://qr.alipay.com/bavh4wjlxf12tper3a"
},
"sign": "jfAz0Yi0OUvAPqYTzA0DLysx0ri++yf7o/lkHOHaG1Zy2fHBf3j4WM+sJWHZUuyInt6V+wn+6IP9AmwRTKi+GGdWjPrsfBjXqR7H5aBnLhMsAltV7v4cYjhuguAqh4WkaJO6v6CfdybDpzHlxE6Thoucnad+OsjdCXkNd1g3UuU="
}
Sample response:
{
"alipay_trade_precreate_response": {
"code": "40004",
"msg": "处理失败",
"sub_code": "ACQ.TRADE_BUYER_NOT_MATCH",
"sub_msg": "交易买家不匹配"
},
"sign": "jfAz0Yi0OUvAPqYTzA0DLysx0ri++yf7o/lkHOHaG1Zy2fHBf3j4WM+sJWHZUuyInt6V+wn+6IP9AmwRTKi+GGdWjPrsfBjXqR7H5aBnLhMsAltV7v4cYjhuguAqh4WkaJO6v6CfdybDpzHlxE6Thoucnad+OsjdCXkNd1g3UuU="
}