Firebase Cloud Messaging API

REST discovered

Details Spec supplied by APIs.guru

URL: https://fcm.googleapis.com/
Spec: https://api.apis.guru/v2/specs/javatpoint.com/v1/openapi.json
Docs: https://firebase.google.com/docs/cloud-messaging

Authentication

Google OAuth 2.0 access token + Google OAuth 2.0 access token discovered

Google OAuth 2.0 access token oauth2 Set up OAuth ↗

Create or use a Google Cloud project, then configure OAuth credentials in Google Cloud Console API credentials. Obtain an OAuth 2.0 access token with a scope accepted by FCM, such as https://www.googleapis.com/auth/firebase.messaging or https://www.googleapis.com/auth/cloud-platform, as documented in the Firebase Cloud Messaging docs and the Discovery document.

Google API key api_key discovered Get key ↗

?key=<credential>

In Google Cloud Console API credentials, create an API key for your project. The FCM Discovery document states the key query parameter is an API key and is required unless you provide an OAuth 2.0 token. See the Discovery document.