# Firebase

**Canonical:** https://apis.io/providers/firebase/  
**Website:** https://firebase.google.com  
**APIs profiled:** 4

Firebase is Google's app development platform — a backend-as-a-service (BaaS) suite for building, running, and growing web and mobile apps. It bundles managed backend products including Authentication, Cloud Firestore, Realtime Database, Cloud Storage, Cloud Functions, Hosting and App Hosting, Cloud Messaging (FCM), Remote Config, Crashlytics, Performance Monitoring, App Distribution, Test Lab, A/B Testing, App Check, Firebase AI Logic, and Extensions. Firebase exposes Google-hosted REST APIs (Management, Firestore, Realtime Database, FCM, Remote Config, Identity Toolkit) plus first-party client and Admin SDKs for Apple, Android, Web, Flutter, Unity, C++, Node.js, Python, Java, Go, and .NET, a cross-platform CLI (firebase-tools), a local Emulator Suite, and an official MCP server for agent-driven workflows.

## Kin Score — 43.9 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 43.9).

| Facet | Score |
|---|---|
| Discoverability | 92.6 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 52.6 |
| Developer Ergonomics | 78.6 |
| Commercial Clarity | 60.5 |
| Access Clarity | 60.5 |

## Agent readiness — 15.2 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | yes |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (4)

- **Firebase Management API** — REST API to programmatically create and manage Firebase projects, apps (Web, Android, Apple), and their configuration.
- **Cloud Firestore REST API** — REST API for reading and writing documents, running queries, and managing indexes in Cloud Firestore.
- **Firebase Realtime Database REST API** — REST API to read and write JSON data in the Firebase Realtime Database over HTTPS.
- **Firebase Cloud Messaging HTTP v1 API** — REST API to send notification and data messages to devices via Firebase Cloud Messaging (FCM).

## MCP servers (1)

- **Firebase MCP Server**

## Security (3)

- **Firebase Authentication** — apiKey/oauth2/bearer/serviceAccount/idToken · 5 schemes
- **Firebase Domain Security** — TLSv1.3 · HSTS · DMARC
- **Firebase Vulnerability Disclosure** — security.txt · contact published

## Tags

Company, Backend-as-a-Service, Application Development, Mobile, Web, Authentication, Database, Cloud Functions, Messaging, Google

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/firebase/). Scores are computed from the provider's own public artifacts under a published rubric.