# Apply for Merchant Number Authorization

Debugging tools

Interface should be called on the server side, seeHattori API。

# Interface Dxplaination

# Interface name

GetWechatPayAuth

# Functional description

Through this interface, you can apply for business number authorization, if you encounter problems in the process of use, you canOpen Platform Service Provider ZonePosting exchanges.

# Note

• The Mini Program needs to authorize [cloud development permission set] or [cloud development WeChat payment permission set] to a third party, and the third party can call this interface on behalf of the Mini Program.

# Other additions

• Small programs need to open WeChat payment, and bind the merchant number. referenceAccess Guidelines。

• The supermanagement of the merchant number needs to pay attention to the merchant assistant Official Account message template。

• After adding the merchant number, you need to bind the account and jsapi separately. and api Refund authority granted. Please note:

1. Account binding: The super administrator of the merchant number needs to confirm authorization on the [WeChat Pay Merchant Assistant] mini program provided by WeChat Pay.

2）jsapi and api Refund permission, need to go to WeChat Pay merchant platform My Authorized Product to confirm authorization.details

• After completing the authorization, you can call WeChat payment related interface capabilities.

# Calling mode

# HTTPS call

POST https://api.weixin.qq.com/tcb/wxpayopenauth?access_token=ACCESS_TOKEN 

# Third Party Invocation

• The calling method and parameters are the same as HTTPS, only the calling token is different

• The permission sets to which this interface belongs are: 49, 64, 102

• After the service provider has been authorized with one of the permission sets, it can do so by usingauthorizer_access_TokenCalling on behalf of the merchant

# Request parameters

# Return parameters

# Call Example

Example Dxplaination: HTTPS requests

# Sample Request Data

{
    "action": "bind",
    "merchant_code": "1900006511"
} 

# Return Data Example

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

# Error code