Facebook AutoLogin Integration (commonly referred to by developers as the “silent login” or “cached session” workflow) allows applications to automatically authenticate returning users without requiring them to click a “Log in” button. It leverages stored User Access Tokens managed by official SDKs or manually managed OAuth 2.0 / OpenID Connect (OIDC) flows.
A comprehensive breakdown of how this integration works, from technical prerequisites to implementing the code across different platforms, is detailed below. 📋 Prerequisites & App Dashboard Setup
Before writing code, you must establish an application wrapper inside the Meta for Developers Portal: Meta for Developers Access Tokens for Meta Technologies
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