Firebase Authentication provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app.

About Firebase Authentication

Firebase Authentication is a component of the Firebase suite of tools for cross-platform application development.

  • Flexible SDKs on top of reliable Google infrastructure
  • Optional, out-of-the-box authentication UI optimized to give your users the best experience
  • Advanced functionality like email verification, anonymous accounts, and account linking
  • It supports authentication using passwords, phone numbers, popular federated identity providers like Google, Facebook and Twitter

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