# Get a link to the authorisation page

Debugging Tools

Interface should be called on the server side, not in the front end (Weixin Mini Program, web pages, APP, etc.) directly called, specific reference interface call guide

Interface name: invoicebizgetauthurl

This interface is for merchant calls. Through this interface, merchants enter parameters such as order number, billing platform identification and other parameters to obtain a link to the authorization page.The authorization page is presented to the user in WeChat. When the user clicks the "Claim Invoice" / "Request Invoice" button on the authorization page,It is completed that the order number is bound with the user's authorization relationship, and the subsequent billing platform can initiate the request to insert the invoice voucher into the user''s card package based on this order number, and WeChat will also verify whether the card insert request is approved according to this authorization relation.

Authorization pages include three styles that merchants can call by passing in values of different types. The style authorization pages are shown in the following figure:

Different authorization pages work as follows:

Type = 0 (apply for invoice type): used for merchants have obtained the user's head from other channels, pull up the authorization page to initiate invoice, and save it to the user's card package after successful invoice;

Type = 1: When this type is called, the page displays the user's common header stored by WeChat.It is used by merchants who do not collect user heads and want to reduce the number of fill-in steps for users.It should be noted that only type = 1 can be called when invoicing after payment is used.

Type = 2 (receipt of invoice type): For merchants invoice has been issued successfully, pull up the authorization page and let the user save the invoice to the card package.

# 1. How to call

# HTTPS calls

POST https://api.weixin.qq.com/card/invoice/getauthurl?access_token=ACCESS_TOKEN

# Cloud Calls

• This interface does not support cloud calls

# Third party invocation

• This interface supports Third Party Platform generation business call.

• The permission set to which this interface belongs is: 26

• When a service provider is authorized by one of the permissions set, it can call on behalf of the merchant by using authorizer_access_token , which can be viewed in the third-party call documentation.

# 2. Request parameters

# Query parametersQuery String parameters

# Request BodyRequest Payload

# 3. Return Parameters

# Response Payload

# 4. Note

The authorization page contains three styles, controlled by the type parameter

# 5. Code examples

Example Requests

{
  "s_pappid": "wxabcd",
  "order_id": "1234",
  "money": 11,
  "timestamp": 1474875876,
  "source": "web",
  "redirect_url": "https://mp.weixin.qq.com",
  "ticket": "tttt",
  "type": 1
}

Return an example

{
  "errcode": 0,
  "errmsg": "ok",
  "auth_url": "http://auth_url"
}

# 6. Error code

The following is a list of error codes for this interface, other error codes can refer to General error codes

# 7. Scope of application