# Custom user parameter management interface

This interface supports the user to bind custom user parameters to a specific unionid under a single WeChat open platform account (subject must be consistent with the user account),After a bound user has placed an order through the affiliate promotional material, the custom user parameters corresponding to that user can be retrieved via query the order details interface .

# I. Attaching an open platform account

# Interface Dxplaination

Supports Twitter to bind accounts on open platforms Note: The open platform account bound must be the same subject as the Twitter account, and the open platform account can be changed twice a year

# Request address

POST https://api.weixin.qq.com/union/promoter/open_account/bind?access_token=ACCESS_TOKEN

# Request parameters

# Examples of POST data

{
  "openAccount": "APPID"
}

# Return value

# Object

{
    "errcode": 0,
    "errmsg": "ok",
}

# Error code

# II. Get an account on the open platform

# Interface Dxplaination

Supports Twitter to obtain linked open platform accounts

# Request address

GET https://api.weixin.qq.com/union/promoter/open_account/get?access_token=ACCESS_TOKEN

# Request parameters

# Return value

# Object

{
    "errcode": 0,
    "errmsg": "ok",
    "openAccount": "APPID"
}

# III. Bind / swap custom parameters

# Interface Dxplaination

Support for tweeters to bind custom parameters for a specific unionid Note: A unionid can bind only one custom parameter at a time, and repeated bindings take the latest value

# Request address

POST https://api.weixin.qq.com/union/promoter/open_account/add_customize_info?access_token=ACCESS_TOKEN

# Request parameters

# Examples of POST data

{
  "unionid": "UNIONID",
  "customizeInfo": "customizeInfo"
}

# Return value

# Object

{
    "errcode": 0,
    "errmsg": "ok",
}

# Error code

# IV. Removing custom parameters

# Interface Dxplaination

Supports tweeters to delete custom parameters that have been bound by a specific unionid

# Request address

POST https://api.weixin.qq.com/union/promoter/open_account/del_customize_info?access_token=ACCESS_TOKEN

# Request parameters

# Examples of POST data

{
  "unionid": "UNIONID"
}

# Return value

# Object

{
    "errcode": 0,
    "errmsg": "ok",
}

# Error code

# V. Get custom parameters

# Interface Dxplaination

Support for tweeters to get custom parameters bound by a specific unionid

# Request address

GET https://api.weixin.qq.com/union/promoter/open_account/get_customize_info?access_token=ACCESS_TOKEN

# Request parameters

# Return value

# Object

{
    "errcode": 0,
    "errmsg": "ok",
    "customizeInfo": "customizeInfo"
}

# Error code