Firebase Authentication

Provides backend authentication services, SDKs and ready-made UI libraries that handle user sign-in and onboarding across platforms, supporting email/password, phone, and social providers such as Google, Apple, Facebook, GitHub and X. Serves developers and engineering teams building mobile and web apps in businesses that need to implement secure identity without building it in-house. Delivered as a hosted SaaS and infrastructure API with drop-in UI components that can be integrated in under 10 lines of code.

Key features

• Backend authentication services
• Easy-to-use authentication SDKs
• Ready-made UI libraries
• Email and password authentication
• Phone authentication
• Social login with Google, Apple, Facebook, GitHub, X
• Customizable drop-in FirebaseUI
• Account merging support
• Multi-platform support for iOS, Android, Web, C++, Unity