---
title: Authentication
description: Learn about setting up authentication in your Expo project.
hideTOC: true
---

import { BoxLink } from '~/ui/components/BoxLink';

Expo can be used to login to many popular providers on iOS, Android, 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. This guide provides steps on configuring and using the API with Google and a [development build](/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"
/>

<BoxLink
  title="Authentication with Google and AuthSession API"
  description="A guide on setting up and using Google authentication with expo-auth-session in your Expo app."
  href="/guides/google-authentication"
/>

<BoxLink
  title="Authentication with Facebook and AuthSession API"
  description="A guide on setting up and using Facebook authentication with AuthSession API in your Expo app."
  href="/guides/facebook-authentication"
/>

<BoxLink
  title="Apple Authentication"
  description="expo-apple-authentication provides Apple authentication for iOS 13+."
  href="/versions/latest/sdk/apple-authentication"
/>

<BoxLink
  title="Other authentication guides"
  description="A collection of implementing web-based authentication in your Expo app using AuthSession API and other OAuth providers. "
  href="/guides/authentication"
/>
