Firebase Authentication provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app . It supports authentication using passwords, phone numbers, popular federated identity providers like Google, Facebook and Twitter, and more.
Read moreWhy you should not use Firebase?
Firebase can be both used from the client (eg: Web, mobile apps), but also from the backend (eg: NodeJS). You may query directly Firebase over the network, right from your backend, but you should avoid doing this because it is really slow at scale .
Read moreCan I use Firebase for authentication only?
Yes, you can use Firebase for auth only and link it to your own database .
Read moreIs it good to use firebase authentication?
Firebase Authentication aims to make building secure authentication systems easy, while improving the sign-in and onboarding experience for end users . It provides an end-to-end identity solution, supporting email and password accounts, phone auth, and Google, Twitter, Facebook, and GitHub login, and more.
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