Connect to Firebase
Signal uses Firebase Realtime Database for persistent, real-time data across all your screens. Setup takes 2 minutes.
1. Go to console.firebase.google.com
2. Create a project → Realtime Database → Start in test mode
3. Copy the Database URL (ends in .firebaseio.com)
4. Project Settings → General → Web API Key
5. Paste both below and click Connect
Firebase Database URL
Firebase Web API Key
Organization / Brand Name
Credentials are stored locally in your browser. Never sent to any third party.