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The best chat API for in-app messaging

Drive higher engagement, more transactions, and better business outcomes with the most feature-rich, customizable, and scalable in-app chat messaging platform for web and mobile apps.

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TRUSTED BY 4,000+ APPS GLOBALLY

The deepest in-app chat platform anywhere

Our chat API service lets you build in-app chat messaging with all the features of a modern messenger without sacrificing control over your data or user experience.

Get your first message out in minutes

Get to market fast and build a custom messaging app with the best chat API, native chat SDKs, and chat UIKits for Android, iOS, JavaScript, Flutter, React Native, React, .Net, Unity, and more.

Digital connections drive real results

Trusted by 330 million monthly active users across apps

Power messaging for millions of users and thousands of customers on our highly scalable infrastructure, built for security and reliability and certified by leading compliance standards.

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All-in-one chat service your users will love

A messaging service created for developers

Developers of the world’s leading companies are building next-generation interactions with the Sendbird chat API.

We believe it should be easy to build messaging into your app, which is why our chat API works right out of the box with clear instructions for ease of use — that’s why more developers prefer the Sendbird API.

Build in-app chat for free

Start with our free Chat plan tailored to developer’s experimental needs.

No code dashboard setup

Create and test your chatbots and messaging in minutes.

Low code chat API integration

Revamp your chatbot experience with just a few lines of code.

High system usability scale

Developers rated Sendbird a 71.11 on the SUS scale (compared to Stream’s 56.67).

Developer resources

Learn how to implement Sendbird through our developer portal, which features tutorials, demos, and articles to get you started.

Onboard with ease

We’ve taken time to understand the developer onboarding experience through quantitative and qualitative benchmarking.

Low completion time

Compared to competitors, developers can complete tasks and subtasks with ease, quickly.

Save time with our ready-made UI kits

Sendbird’s ready-to-ship chat UI Kits include pre-built UI components, sample apps, and a no-code dashboard feature configuration tool for React, iOS, Android, and React Native.

Our UI libraries are available for Sketch and Figma.

A third-party chat service with solutions for every industry