Create an Order | 微信开放文档

# Create an Order

# Examples of Interface Requests

http请求方式：POST
https://api.weixin.qq.com/shop/pay/createorder?access_token=xxxxxxxxx

# Example of request parameters

{
    "openid": "oTVP50O53a7jgmawAmxKukNlq3XI",
    "combine_trade_no": "P20150806125346",
    "expire_time":1647360558,
    "sub_orders":[
        {
            "mchid":"1230000109",
            "amount":100,
            "trade_no":"20150806125346",
            "description": "Image形象店-深圳腾大-QQ公仔"
        }
    ]
}

# Examples of back-up

{
    "errcode": 0,
    "errmsg":"ok",
    "payment_params": {
        "timeStamp":1639124652
        "nonceStr":"123",
        "package":"prepay_id=123",
        "paySign":"12904324823458940394",
        "signType":"MD5"
    }
}

# Dxplaination of request parameters

parameter	type	Is it compulsory?	Introductions
openid	string	yes	User's openid
combine_trade_no	string	yes	The total transaction number for merchant contract payments is between 6 and 32 characters in length, and can only be a number, upper and lower case letters_-\|*@， Weixin Mini Program System only.The same combine_trade_no is treated as the same request, and no modification of suborders and other parameters is allowed.
expire_time	number	no	Order Expiration Time, Second Clock
sub_orders	Array Object SubOrder	yes	List of Sublists

# Dxplaination of callback parameters

Field Name	type	Introductions
errcode	number	Error code
errmsg	string	Error message
payment_params	Object PaymentParams	Payment Parameters

# Object SubOrder

Field Name	type	Is it compulsory?	Introductions
mchid	string	yes	Merchant account number corresponding to transaction order
description	string	yes	Product Description
amount	number	yes	Order Amount, in units
trade_no	string	yes	Merchant transaction number can only be a number and upper and lower case letters_-\|*@ ，The length is 6 ~ 32 characters, guaranteed unique within the system. The same trade_no is allowed to modify parameters such as price.

# Object PaymentParams

Field Name	type	Is it compulsory?	Introductions
timeStamp	string	yes	Time stamp, the number of seconds from 00: 00: 00 on 1 January 1970, i.e. the current time
nonceStr	string	yes	Random character string, less than 32 characters long
package	string	yes	Unify the prepay_id parameter value returned by the single interface in the submission format such as: prepay_id =*\
paySign	string	yes	Signature, see WeChat Payment Document
signType	string	yes	Signature Algorithm