Javascript Chat SDK : The fastest way to add chat to your app

Launch production-ready chat experiences instantly with CometChat's Javascript SDK. Drop in fully customizable components for rich messaging, reactions, file sharing, and channel management, all built to scale seamlessly on our enterprise infrastructure.

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Integrate chat in minutes

Reduce development time with ready-to-use javascript components

Interactive demo

Dive into our live demo to see the Javascript Chat SDK in action.

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Javascript sample app

Fully functional chat application with source code.

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Technical docs

Comprehensive documentation with code examples for every feature.

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API references

In-depth documentation on API endpoints, methods, and parameters.

Check API specifications

All-in-One Chat SDK

Every aspect of modern chat in a single, customizable SDK

Scalable Infrastructure

Seamless real-time chat experience

Enterprise-grade infrastructure that ensures low latency and reliable messaging.

  • Zero-config WebSocket handling: Automatic socket connection management with smart reconnection.

  • Lightning-fast message delivery: Sub-100ms real-time delivery with guaranteed ordering.

  • Message history & persistence: Automatic message syncing, caching, and pagination.

  • Global edge network: 35+ locations worldwide for low-latency communication.

Pre-Built UI Library

Pre-built react chat components

Speed up development with customizable components designed for real-world use cases.

  • Conversation list : Display active conversations with unread indicators, last message preview, and timestamps.

  • User list: Show contacts, group members, manage user roles, and indicate online/offline status.

  • Threads, reactions & mentions: Enable structured discussions with threaded replies, reactions, and @mentions.

  • Search: Allow users to find messages and conversations instantly with filters and highlighting.

Powerful Backend

Smart state management

Built-in state handling for all the complex parts of chat.

  • Presence management: Real-time user status updates across channels

  • Real-time indicators: Instant typing indicators and presence state

  • Read receipt handling: Real-time message seen status and customizable receipts

  • Message counters: Accurate unread counts across channels and threads

Rich User Engagement

Feature-rich messaging experience

Engage users with interactive features that enhance conversations.

  • File & media sharing: Drag-and-drop uploads with real-time progress tracking.

  • GIFs: Built-in Giphy integration with customizable content filters

  • Thumbnail and image previews: Smart image loading with blur previews

  • Videos and voice notes: Record and share with automatic transcoding

  • Real-time message translation: Instant translation across 100+ languages

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Enterprise-Grade Security

Security and scale you can trust

Global edge network, iron-clad security, and 99.999% uptime. Battle-tested infrastructure that scales to billions of users.

Edge network

Lightning-fast chat delivery through 35+ edge locations worldwide, ensuring minimal latency for all users.

Uptime SLA

99.999%

Scalability

5B+ chats

Enterprise security

aicpa
gdpr
hipaa
gdpr

Beyond Basic Messaging

Essential Tools for chat adoption, platform safety, and user engagement

Enterprise-grade content moderation to keep your chat safe and compliant.

Advanced AI filters block harmful content with 99.99% accuracy and enable immediate threat response.

Cross-platform notification system with intelligent delivery.

Send email, SMS, and push notifications from a central dashboard with delivery tracking and customizable routing preferences.

Get deep insights into user behavior and chat performance.

Real-time analytics on messaging performance and user engagement with flexible export capabilities.

Integration tools

Flexible UI development options

Ready-to-use UI kit

Ship a refined, fully-functional chat app quickly using our pre-built UI kits. All components are designed with modern aesthetics and perfect pixel alignment.

  • Build and launch in few days

  • Integrated business logic

  • Easily customizable & extensible

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Custom UI components

Build a unique chat interface tailored to your app’s needs on top of our SDK. Customize every element to match your brand and user experience.

  • Endless design flexibility

  • Seamlessly integrates with our SDK

  • Perfect for advanced use cases

Learn more

Start building today

Build faster, scale smarter, and elevate your chat experience with tools that grow with your business.

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