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Firebase Cloud Messaging API

by Firebase Cloud Messaging Free tier

FCM send API that provides a cross-platform messaging solution to reliably deliver messages at no cost.

authjavatpoint

Quick Reference

Base URL https://fcm.googleapis.com/ Auth type OAuth 2.0 Auth header Authorization: Bearer <access_token> Rate limit 600K req/min (server sends) Pricing Enterprise / contact sales Free quota None Documentation https://google.com Endpoint status Server online — HTTP 404 — server is online but path returned an error (may require auth)1.24s (checked Mar 29, 2026) Builder score D 29% builder-friendly
Pricing
28
Latency
30
Depth
28

Authentication

OAuth 2.0 — obtain an access token via the authorization flow

Authorization: Bearer <access_token>

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Free — Firebase Cloud Messaging (FCM) is completely free. No limits on number of messages sent to iOS, Android, or web targets via the API.

Key Endpoints

MethodPathDescription
POST /v1/{parent}/messages:send Send a message to specified target (a registration token, topic or condition).

Sample Request

curl -X GET 'https://fcm.googleapis.com//v1/{parent}/messages:send' \
  -H 'Authorization: Bearer <access_token>'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official Firebase Cloud Messaging documentation.