Firebase Authentication
by Google
Drop-in user sign-in for web and mobile apps from Google Firebase
Firebase Authentication provides backend services, client SDKs, and ready-made UI libraries for signing users in with email and password, phone numbers, and federated providers such as Google, Apple, and GitHub. Upgrading to Identity Platform adds MFA, SAML and OIDC providers, multi-tenancy, and blocking functions.
Key features
- Email, phone, and social sign-in
- SDKs for web, iOS, Android, Flutter, and Unity
- FirebaseUI prebuilt sign-in flows
- Integrates with Firebase security rules
- Optional Identity Platform upgrade
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