Expo Docs MCP Server

--- title: Authentication description: Learn about setting up authentication in your Expo project. hideTOC: true --- Expo can be used to login to many popular providers on Android, iOS, and web. [`expo-auth-session`](/versions/latest/sdk/auth-session/) package allows [browser-based authentication](/versions/latest/sdk/auth-session/#how-web-browser-based-authentication-flows-work) (using OAuth or OpenID Connect) to your project for Android, iOS, and the web. You can also implement authentication using native libraries for third-party providers with [development builds](/develop/development-builds/create-a-build). <BoxLink title="AuthSession API" description={ <> expo-auth-session is the easiest way to add web browser-based authentication (for example, browser-based OAuth flows) to your app. </> } href="/versions/latest/sdk/auth-session" Icon={BookOpen02Icon} /> <BoxLink title="Google authentication" description={ <> A guide on using @react-native-google-signin/google-signin library to integrate Google authentication in your Expo project. </> } href="/guides/google-authentication" Icon={BookOpen02Icon} /> <BoxLink title="Facebook authentication" description={ <> A guide on using react-native-fbsdk-next library to integrate Facebook authentication in your Expo project. </> } href="/guides/facebook-authentication" Icon={BookOpen02Icon} /> <BoxLink title="Apple Authentication" description={ <> expo-apple-authentication provides Apple authentication for iOS 13 and higher. </> } href="/versions/latest/sdk/apple-authentication" Icon={BookOpen02Icon} />