Real Time Block
WebSockets, WebRTC, and instant messaging for any application
Build chat applications, video calls, live collaboration, and real-time dashboards. Persistent connections, presence tracking, and message history out of the box.
Complete Real-Time Infrastructure
Everything you need for real-time communication, from simple messaging to complex video conferencing.
WebSocket Connections
Persistent bidirectional connections with automatic reconnection, heartbeat, and connection state management.
Channels & Rooms
Organize communication with public, private, and presence channels. Control access with fine-grained permissions.
Presence Tracking
Know who is online with real-time presence updates. Track custom states like typing, away, or busy.
WebRTC Support
Peer-to-peer video, audio, and screen sharing. We handle signaling, TURN servers, and ICE negotiation.
Message History
Persist and retrieve past messages with pagination. Configure retention periods and search through history.
Broadcast Events
Send messages to thousands of subscribers instantly. Target specific channels or broadcast to all users.
Real-Time in Minutes
Connect, subscribe, and send messages with just a few lines of code. No server configuration or WebSocket expertise required.
- Automatic reconnection on network issues
- Type-safe events with TypeScript
- React hooks and Vue composables included
- Works with any JavaScript framework
import { BlocksClient } from '@23blocks/sdk';
// Connect to real-time
const client = new BlocksClient({
appId: 'your-app-id',
apiKey: 'your-api-key'
});
// Initialize real-time connection
const realtime = await client.realtime.connect();
// Subscribe to a channel
realtime.subscribe('chat:room-1', (message) => {
console.log('New message:', message);
});
// Track presence
realtime.presence('chat:room-1')
.onJoin((user) => console.log('Joined:', user))
.onLeave((user) => console.log('Left:', user));
// Send a message
realtime.send('chat:room-1', {
text: 'Hello, everyone!',
user_id: 'user_123'
});Built for Any Real-Time Use Case
From simple chat to complex video conferencing, Real Time Block powers all your communication needs.
Chat Applications
Build feature-rich chat with typing indicators, read receipts, reactions, and thread replies.
- Typing indicators
- Read receipts
- Message reactions
- Thread replies
Live Collaboration
Enable multiplayer editing with live cursors, shared state, and conflict resolution.
- Live cursors
- Shared state sync
- Conflict resolution
- User awareness
Video Conferencing
Add video calls with screen sharing, recording, and virtual backgrounds.
- HD video/audio
- Screen sharing
- Recording
- Virtual backgrounds
Enterprise-Ready Features
Built for scale, security, and reliability from day one.
Auto-Reconnect
Automatic reconnection with exponential backoff and offline message queueing.
End-to-End Encryption
Optional E2EE for sensitive communications with key management.
Global Edge Network
Low-latency connections from edge servers around the world.
Real-Time Analytics
Monitor connections, messages, and performance in real-time.
Seamless Integration
Use with your favorite frameworks and platforms
Add Real-Time to Your App Today
Start with our generous free tier. No credit card required.
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