Customizable and feature rich in-app chat SDKs for real-time engagement

CometChat SDKs allow you to leverage powerful out-of-the-box features to build custom messaging and calling experiences for your users with minimal dev effort.

CometChat SDKs and APIs

The most powerful & flexible chat SDKs

Feature rich

Every modern chat feature in one customizable SDK

With 40+ features for moderation, notifications, user experience, and more, CometChat's SDK is the most comprehensive on the market.

Complete customization

Flexibility to build your own chat UI

Seamlessly integrate custom-built chat and calling user interfaces for your mobile, web, and native apps with CometChat SDKs.

Modular architecture

Easy to extend chat functionality

A modular architecture makes customizing chat functionality easy. Extend your chat beyond messaging using webhooks, APIs, and integrations.

Interactive Demo

Experience messaging built on CometChat

Give our sample messaging app a spin. This interactive demo app is built with our latest UI Kits for you to experience all the UI elements and functionalities of CometChat.

The benefits

Why companies build with CometChat SDKs

Developer friendly

SDKs that your developers love to build on top of with precise documentation.

Robust infrastructure

A robust infrastructure that can support a few million concurrent users without hassle.

Fully customizable

Take our SDKs and make them your own. Maximum flexibility and customization options.

Robust functionality

All features required for real-time engagement and more, out-of-the-box.

Unparalleled security

Build safe and secure chat with HIPAA, GDPR, PIPEDA, SOC 2 & ISO 27001.

Transparent codebase

Enjoy complete control and seamless integration with our transparent codebase.

Available features

Engagement features available out-of-the-box with CometChat SDK.

Send a message

Receive messages

Additional message filtering

Retrieve conversations

Threaded messages

Edit a message

Delete a message

Delete a conversation

Typing indicators

Transient messages

Delivery/read receipts

Default call

Direct calling


Virtual Background

Video view customization

User management

Block users

User presence

Real-time presence

User list presence

Create a group

Update group

Join a group

Leave group

Delete group

Retrieve group members

Personal meeting Rooms

Add members to a group


Ban member from group

Change member scope

Login listener


Rest APIs to access and manage chat

Chat management API

Manage messages, conversations, users, groups, and chat features.

Learn more

App management API

Manage multitenant chat apps, extensions, webhooks, and triggers.

Learn more

Analytics management API

Embed usage reports in your app using our analytics API.

Learn more


Check out more implementation tools

No-code widget

Readymade widget to easily get started with chat for web apps with simple copy and paste.

  • Ship in-app chat in minutes

  • Toggle features On or Off

  • Customize color and theme

Learn more

UI Kits & components

Pre-built UI components with modern and pixel perfect design that is completely customizable.

  • Build and launch in few days

  • Pre-built UI components & business logic

  • Easily customizable & extensible

Learn more

Try out CometChat in action

Experience CometChat's messaging with this interactive demo built with CometChat's UI kits and SDKs.