TencentCloud/TIMSDK

Free Chat SDK (IM SDK) — 1,000 MAU/month free forever with push notifications & no concurrency limits. Build in-app messaging with chat API, UIKit & send message. Supports Android, iOS, Flutter, Web, React Native, uni-app, HarmonyOS & more.

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Tencent Cloud Chat SDK (IM SDK)

Tencent Chat SDK provides a powerful Chat API, messaging SDK, and UIKit components to help developers build full-featured real-time messaging — including one-to-one chat, channel chat, message push, offline push notifications, and send message functionality — across Android, iOS, MAC, Windows, Web, Flutter, React Native, and more.

About

Tencent Chat SDK powers billions of messages daily across Tencent's ecosystem. Drop in our pre-built UIKit to ship a full-featured chat experience in under 10 minutes, or use the Core SDK to build your own UI on top of a battle-tested messaging infrastructure — available across every major platform.

Core Capabilities

UIKit — Build a fully-featured chat app in just ten minutes using UIKit components
Various Message Types — Support multiple message types, such as text, images, audio, and video messages
Message Status — Real-time read receipts, online/offline status, and typing indicators for a responsive chat experience
Notifications — Timely notify users of app messages and drive higher conversion rates
Channel — Create channels, manage channel members, and customize profiles
Conversation Management — View information about unread messages, recent, pinned, or deleted chats
Large-Scale Communities — Support communities up to 1,000,000 members with topic-based sub-channels for fan groups, events, and more
Advanced Features — Cloud-based message search, real-time text translation, Official Channels, and message merging for power users

Get Started

This is the central hub repository for Tencent Chat SDK. Choose your platform below to find the dedicated repo and integration guide.

Tencent Chat SDK offers a free plan — 1,000 MAU/month, no concurrency limits, push notifications included, free forever.

UIKit — Platform Routing

Platform	Repository	Integration Guide
Android (View)	chat-uikit-android	UIKit for Android
Android (Compose)	TUIKit_Android_Compose	UIKit for Android (Compose)
iOS (UIKit)	Chat_UIKit	UIKit for iOS
iOS (SwiftUI)	TUIKit_iOS_SwiftUI	UIKit for iOS (SwiftUI)
Web (React)	chat-uikit-react	UIKit for React
Web (Vue)	chat-uikit-vue	UIKit for Vue
Flutter	TUIKit_Flutter	UIKit for Flutter
React Native	chat-demo-react-native	UIKit for React Native

Core SDK — Platform Routing

Platform	Repository	Integration Guide
Android	chat-uikit-android / ChatSDK	SDK Integration (Android)
iOS	chat-uikit-ios / ChatSDK	SDK Integration (iOS)
Mac	TIMSDK / Mac	SDK Integration (Mac)
Windows	TIMSDK / Windows	SDK Integration (Windows)
Flutter	pub: tencent_cloud_chat_sdk	SDK Integration (Flutter)
React Native	npm: @tencentcloud/chat	SDK Integration (React Native)
Web (JS)	npm: @tencentcloud/chat	SDK Integration (JavaScript)

Use Cases

Build industry-specific solutions using Tencent Chat SDK:

💬 Official Channel — WhatsApp Channel-style broadcast & subscription for brand engagement
🎮 Discord-style Community — Servers, channels, threads, and reactions for large-scale communities
🤖 AI Chatbot — Integrate LLM-powered chat bots for customer service, companionship, and more
🧧 Red Packet — Send red packets in one-on-one and group chats using custom messages and payment integration

Quick Links

🤖 Build with AI — Integrate AI capabilities into your chat experience
🎮 Live Demo — Try Tencent Chat SDK in your browser
📡 REST API Reference — Server-side APIs for user management, messaging, and more
🏠 Product Home — Overview, pricing, and enterprise features
🖥️ Console — Manage your applications and monitor usage
🔄 Chat SDK V2 API Upgrade Guide

Contact Us

Stack Overflow: Tag your questions with trtc.io
Telegram: Join our developer community
WhatsApp: Chat with our team
GitHub Issues: Report a bug or request a feature

android

chat-api

chat-sdk

chat-ui-components

chat-uikit

flutter

free-chat-api

free-chat-sdk

im-sdk

in-app-chat

in-app-messaging

instant-messaging

ios

messaging-sdk

offline-push

push-notification

react-native

real-time-messaging

tencent-cloud

Significant stargazers

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jiangying

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