# Get a link to the authorisation page

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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 English name: notaxinvoicegetauthurl

This interface is used to obtain a link to the authorization page, allowing the user to jump to the authority page.

# 1. How to call

# HTTPS calls

POST https://api.weixin.qq.com/nontax/getbillauthurl?access_token=ACCESS_TOKEN

# Cloud Calls

This interface does not support cloud calls

# Third party invocation

Third Party Platform calls are not supported by this interface.

# 2. Request parameters

# Query parameters`Query String parameters`

Parameter Name	type	Required to fill in	Introductions
access_token	string	yes	Interface invoke credentials, using access_token

# Request Body`Request Payload`

Parameter Name	type	Required to fill in	Introductions
s_pappid	String	yes	Finance Department ID, need to find the Finance Department to provide
order_id	String	yes	Order id
money	Int	yes	Order Amount, divided into units
timestamp	Int	yes	timestamp
source	String	yes	Invoice source, web: Official Account invoice, app: app invoice
redirect_url	String	no	Jump to the page after the authorization is successful
ticket	String	yes	API_ticket, refer to the get api_ticket interface to get

# 3. Return Parameters

# `Response Payload`

Parameter Name	type	Introductions
errcode	Int	Error code
errmsg	String	Error message
auth_url	String	Authorized Links
expire_time	Int	expiration time, in seconds. The authorization link will expire after a period of time

# 4. Note

There are no special considerations for this interface

# 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"
}

Return an example

{
    "errcode": 0, 
    "errmsg": "ok", 
    "auth_url": "http://auth_url",
    "expire_time": 7200
}

# 6. Error code

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

Error code	Error Description	Solutions
40001	invalid credential access_token isinvalid or not latest	access_token Invalid or not recently acquired access_token, please confirm the validity of the access_token

# 7. Scope of application

How this interface can be invoked under different account types:

Official Account	Service Account
Application required	Application required

Requires application: indicates that the account type needs to submit an application for this scenario and be approved before it can be invoked
Other account types that are not expressly stated may not be called on this interface without special instructions;