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Chat Messaging

Build Any Real-Time Chat Experience

The #1 Chat API for Custom Messaging Apps

Rapidly ship in-app messaging with our highly reliable chat infrastructure and feature-rich SDKs to improve your overall in-app conversion, engagement, and retention.

example of chat sdk ui mockup

Loved by Developers Of

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Key <Chat Messaging/> Features for Engaging Conversations

Ship in-app chat experiences with all the features your users expect.
Want to learn more?

example of a chat conversation with reactions and typing indicators

Message Reaction

Flexibility to implement reactions to messages just like you see with Slack, Facebook, or iMessage.

example of a chat threaded reply summary

Threaded Replies

Improve the user experience by visually grouping chat messages within their replies.

example of a chat conversation with url enrichment

URL Enrichment

Automatically show image, text and video previews of the URLs that users are sending.

example of a user presence indicator

User Presence

Show when a user was last active and if they are currently online. We also support user invisibility.

example of a flexible user permissions and grants

Flexible Permissions

Control what regular users, administrators, moderators or custom user roles are allowed to do.

example of chat slash commands

Slash Commands

Do more than compose a message with custom slash commands that integrate with APIs.

Additional Features

  • Reactions
  • Image Moderation
  • AI-Moderation
  • Multi-Tenancy
  • Silent Messages
  • Spam & Profanity Protection
  • Unread Messages Counts
  • Media Attachments & Resizing
  • Threaded Conversations
  • User Roles
  • Multi-Region Support
  • Fast Response-Time (avg 5ms)
  • Presence Indicators
  • @mentions
  • Security & Legal Compliance
  • Dedicated Stack is Available
  • Read Receipts
  • Mute Users
  • Custom Slash Commands
  • No Defined Participant Limit
  • Typing Indicators
  • Ban Users
  • Highly Available Infrastructure
  • Fully Customizable
  • Message History
  • Flag Messages
  • SDKs & Components
  • Unlimited Message Retention
  • Private Channels
  • Custom Messages
  • Giphy Integration
  • Excellent Performance & Reliability
  • Public Channels
  • Push Notifications
  • URL Enrichment
  • Enterprise SLA
  • CDN Storage
  • Webhooks
  • Language Translation
  • Phone Support and SAML

Easy to Customize

Build On Your Experience Without Any Limitations

Rapidly ship in-app messaging with our highly reliable chat infrastructure and feature-rich SDKs.

import React from 'react'
import {
} from 'stream-chat-react'
import 'stream-chat-react/css/v2/index.css';
const App = () => (
  <Chat client={chatClient}>
    <Channel channel={channel}>
        <ChannelHeader /> 
        <MessageList /> 
        <MessageInput />
      <Thread />

Modern SDKs

Integrate easily with our SDKs and Tutorials

Rapidly ship in-app messaging with our highly reliable chat infrastructure and feature-rich SDKs. Improve your overall in-app conversion, engagement, and retention.

Chat Tutorials

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React Chat Tutorials
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React Native Tutorials
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Unreal Chat Tutorials
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Unity Chat Tutorials
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Flutter Chat Tutorials
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Angular Chat Tutorials

Solutions for Every Use Case

example of social app

Social In-App Messaging Connects Your Users

Increase real-time engagement in your web or mobile app with the Stream Chat API powering your social messaging services. Effortlessly integrate messaging and connect your users worldwide.

  • Multi-Tenant Ready
  • Built-in Giphy & Imgur Support
  • Emoticons & Reactions
  • Direct & Group Chat
  • Link Previews
  • Edit & Delete Messages
example of team collaboration app

Bring Individuals and Teams Together for Collaboration

Improve community engagement or replace email for your team with Stream's in-app messaging API service. Our components and APIs allow you to build anything from a simple team chat app to a Slack alternative.

  • Slash Commands
  • Unlimited Users per Channel
  • Channel Permissions
  • Custom Business Logic
  • Safe & Secure Data
example of livestreaming app

Reliable Live Chat Platform that Drives Customer Engagement

Our livestream chat allows you to capture and retain active audience engagement on your web or mobile platform by enabling your users to interact via real-time messaging.

  • Emoticons & Giphys
  • Connect Millions of Users
  • AI-Based AutoMod
  • Zero Channel Limits
  • Flexible Permission System
  • Fully Customizable

Develop World-Class UX Using White-Labeled Chat

Our platform includes direct access to the leading chat API and powerful and feature-rich SDKs for your language or framework. We are HIPAA-ready, DPF, SOC 2, and ISO 27001 certified.

Global Edge Network

Unlike traditional cloud infrastructure, the performance of the Stream Chat platform doesn’t rely on users' proximity to a regional data center. That means latencies are up to 5 times lower, and fewer errors are caused by poor WiFi or mobile connectivity.

  • Low Latency
  • E2E Encryption via TLS
  • BGP + DNS Routing
  • 99.999% SLA Uptime
example of global edge network

Migrate For Free In 30 Days or Less

  • Automatically import exports
  • Bi-directional webhook sync for zero downtime migrations
  • Engineering assistance and resources to support design, integration, and launch

Start coding for free

No credit card required.
If you're interested in a custom plan or have any questions, please contact us.