Firebase Functions enables you to use the ExpressJS library to host a Serverless API. Serverless is just a term for a system that runs without physical servers.
For authentication, the Firestore REST API accepts either a Firebase Authentication ID token or a Google Identity OAuth 2.0 token. The token you provide ...
The Firebase Management API enables programmatic setup and management of Firebase projects, including a project's Firebase resources and Firebase apps.
API Reference. CLI reference. Overview · auth:import and auth:export · Firebase Realtime Database Operation Types · Deploy Targets · Cloud Firestore Index ...