Simple Sign-In with Facebook provides Facebook sign-in with OAuth 2.0 for Android, iOS, Windows, Mac, Universal Windows Platform (UWP) and WebGL apps made with Unity. You can also get access tokens to make REST API calls.

Need sign-in for other platforms?
● Google
● Apple
● Facebook
● X (Twitter)
● Telegram
● Microsoft

Benefits:
● Cross-platform user auth for cross-platform games and apps
● No plugins, not 3rd party libs, no dependencies
● No impact to build size
● More security for client-server apps (get access token on a client, get all user data on a server to avoid tampering)
● JSON Web Tokens (JWT) validation

Setup steps:
Please visit our GitHub for setup instructions.

General workflow:
● Your app navigates users to Facebook using a default web browser
● Users perform sign-in to their Facebook account
● Facebook redirects users to Authorization Middleware and provides an auth code in URI parameters
● Authorization Middleware activates your app using deep linking (when possible)
● The app is activated and obtains the authorization code
● The app exchanges the code for an access token
● The app requests user data with the access token (ID, name, email and other data according access scope defined)

Known issues:
Please visit Known issues on our GitHub.

Support:
● GitHub - Wiki
● GitHub - FAQ & Troubleshooting
● GitHub - Bugs & requests
● Discord - Questions, live chat with developers
● Unity forums - Discussion

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