WeChat OAuth endpoints and related development resources
WeChat authorization endpoint
https://open.weixin.qq.com/connect/qrconnect
The endpoint to redirect users to in order to grant your application access to their account.
WeChat token endpoint
https://api.weixin.qq.com/sns/oauth2/access_token
The endpoint to exchange the authorization code or refresh token for an access token and a refresh token.
WeChat userinfo endpoint
https://api.weixin.qq.com/sns/userinfo
The standardized OAuth endpoint that returns authenticated user profile information, including claims about the current user based on the scope of access token.