Stream Chat

The #1 chat API for custom messaging apps.
Build real-time chat messaging in less time. Rapidly ship in-app messaging with our highly reliable chat infrastructure and feature-rich SDKs. Improve your overall in-app conversion, engagement, and retention.

Latest launches

Virtual Event Chat Kit
UI kit & sample app for building in-app virtual event chat
Mobile Chat Kit
UI kits & sample apps for building in-app mobile chat
Stream Chat
Build, code and ship in app messaging in a few hours
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Stream Chat's news

All news
  • Launch
    100+ polished screens coalesce into mapped-out flows so you and your team can jump into Figma and create your own custom event chat faster than ever. The sample app shows Stream's chat API, also free for personal use and small projects, powering the backend.
  • Announcement
    #4 Product of the day
    Mobile Chat Kit ranked 4th Product of the day for Mar 31, 2021 with 328 upvotes and 20 comments
    Mar 31, 2021
  • Launch
    Stream’s UI + SDKs for in-app chat allow you to build a beautiful and scalable chat experience in hours. 50+ handcrafted screens for Figma & Sketch. UI components for Flutter, React Native, Kotlin & Swift. Free maker accounts available for side projects.
  • Announcement
    #5 Product of the day
    Stream Chat ranked 5th Product of the day for Apr 10, 2019 with 253 upvotes and 23 comments
    Apr 10, 2019
  • Launch
    A beautiful UI Kit, easy to use React/RN/iOS/Android Components and powerful API. Build any type of Chat or Messaging experience in a matter of hours. The tech uses Go, RocksDB and Raft. Stream powers chat and activity feeds for more than 500 million users.
  • Launch

    Easy to use UI components with built-in support for Open Graph scraping, #hashtags, @mentions, likes, comments, file uploads and realtime; empowering you to quickly launch engaging activity feeds and notification feeds with React Native and Stream. Plain JS, React, iOS and Android versions of this kit will follow shortly.

  • Announcement
    #5 Product of the day
    Stream 2.0 ranked 5th Product of the day for Jun 27, 2016 with 326 upvotes and 15 comments
    Jun 27, 2016
  • Launch
    API for building, scaling and personalizing feeds