Chat API and SDKs

Build production-ready chat in minutes

Powerful chat API and SDKs with highly customizable, ready‑to‑go chat UIs. Rapidly build scalable in-app messaging that drives user engagement and retention for websites and mobile apps.

Try for free Contact Sales

Hello! I saw you had a Sega Saturn for sale, is there any movement on the price at all? My budget it quite tight.

Yeah, I think we could work something out!2m

But I do have a lot of interest in it.2m

Excellent! What price were you thinking?

Say something...

Hey! Is this backpack still available?2m

urbanbackpack.jpg (90 KB)2m

Hi! Yeah, it's still available, you can get it for $125. Would that work for you?

1m✓✓

That's a bit priceyJust now

What about $100?Just now

Deal!

Just now✓✓

Say something...Deal!

Trusted by startups to enterprises

All the features you need for high-performance chat

Build an in-app messaging experience your users actually love. Everything you need to drive engagement and retention, powered by a fast, reliable messaging infrastructure.

Contact sales

Rory

What month works best for a team meetup?

September works for me!

Replies

Keep conversations organized with threaded replies. Let users respond directly to specific messages for clearer, more contextual chats.

Olivia Williams

2m ago

00:15

Voice messages

Let users add a personal touch with voice notes. Low-latency infrastructure ensures lag-free playback.

Hey @adam are you available for a call this afternoon after 2PM?

Mentions

Get the right attention with @mentions. Notify specific users in group chats and highlight important messages.

Emoji reactions

Make chats more expressive with emoji reactions. Users can quickly respond to messages with a tap—no typing needed.

https://www.wikipedia.org/

Wikipedia, the free...Wikipedia is a free online encyclopedia, created and edited...wikipedia.org

Link previews

Turn plain URLs into rich content. Automatically generate link previews with titles, descriptions, and thumbnails for a more engaging chat experience.

This looks fantastic! Great wor

Cancel

Save

Edit messages

Give users control with message editing. Let them quickly fix typos or update content without disrupting the conversation flow.

Additional features

Private 1-1 chat
Group chat
Large public group chat
AI chatbot integration
Notifications
Threads
Read receipts
Message search
Conversation search
Persistent message history
File sharing
Media attachments
Typing indicator

Message translation
Announcements
Admin messages
Moderation
Mute user in channel
Ban user
Block user
Flag messages
Profanity filter
Spam protection
Domain filter
Silent messages
Location sharing

Presence indicators
Unread message count
UI localization
Custom message actions
Custom message types
Analytics
Data export
Third-party integrations
Voice and video call integration
Webhooks
Multi-tenancy support
User roles
Channel list

Discover more features

Chat UI

Ready-to-ship chat UI that’s fully customizable

Launch your chat product faster with pre-built chat UIs you can fully customize. Get pixel-perfect control to match your unique brand and user needs.

Chat demos Chat UIs


1.inner {
2  flex-grow: 1;
3  flex-basis: 0;
4  display: flex;
5  align-items: center;
6  padding-left: 1rem;
7  padding-right: 1rem;
8  min-width: 0;
9}
10.content {
11  flex-grow: 1;
12  display: flex;
13  align-items: center;
14  min-width: 0;
15}
16.image {
17  width: 45px;
18  text-align: center;
19  margin-right: 0.75rem;
20  flex-shrink: 0;
21}
22.info {
23  flex-grow: 1;
24  flex-basis: 0;
25  min-width: 0;
26}

Hey, have you heard about these micro communities people are joining?

8m ago

Yeah, I have! They seem like a great alternative to big social media platforms.

7m ago

Definitely. I joined one for local gardening enthusiasts. It's so much more engaging.

6m ago

That's cool. I've been looking to cut down my social media time. How do you like it?

2m ago

I love it. More meaningful interactions.

just now

I'll start looking into it!

Chat SDKs

Flexible chat SDKs.
Developer-approved.

Rapidly ship in-app messaging with feature-rich SDKs. Build the exact live chat experience your users want—developer-friendly, framework-agnostic, and built for performance.

Chat docs Chat tutorials

JS


1// Synchronize user data and set up
2  const currentUser = new Talk.User({
3      id: 79302,                      // user id
4      name: "Alice",          // full name
5      email: "alice@example.com"      // for offline email fallback
6  });
7  const talkSession = new Talk.Session({
8      appId: "9352938974",            // your TalkJS account id
9      me: currentUser                 // make George the active user
10  });
11
12  // All set! Let's turn a div into Alice's messaging center
13  const inbox = talksSession.createInbox();
14  inbox.mount(this.$refs.talkjs);
15  ...

Get started with any framework

Case studies

Chat API trusted by leaders and developers

TalkJS just works and is reliable. We absolutely would recommend TalkJS to others.

Peter Lu

Head of Product at RapidSOS

100% reliable

for critical 911 emergency communication

Self-hostable

messaging solution for enhanced privacy and security

Integrated

video support for emergency scenarios

View RapidSOS case study

Security & performance

Secure chat infrastructure, ready for global scale

Power real-time messaging at global scale with infrastructure built to deliver billions of messages — fast, secure, and zero downtime. Designed for security and reliability, your data stays protected as you grow.

Low latency
Encryption
TLS v1.3
99.9% uptime SLA
90+ regions
GDPR compliant

Security Data privacy

Start building for free

Launch the in-app chat your users actually want. Fast to ship, ready to scale.

Try for free Contact sales

Use cases

Proven chat messaging solutions for every use case and industry

Healthcare

Deliver secure, private chat experiences in your healthcare app. Perfect for patient-provider messaging, care coordination, and real-time support at scale.

AI chatbots

Enhance your app with an integrated AI chatbot with human-like, real-time messaging. Fully customizable and built to scale across industries.

Job boards

Add in-platform messaging to your job board to connect candidates and employers instantly with secure, scalable chat.

Team collaboration

Power team collaboration with real-time messaging, threads, reactions, and file sharing—fully customizable and ready to scale.

Virtual events

Drive engagement at virtual events with live chat, Q&A, and audience interaction tools—custom-branded and built for scale.

Marketplaces

Enable buyer-seller communication on your marketplace with secure, in-app messaging that boosts trust and conversion.

Message centers

Build a centralized message center into your app for seamless user-to-user and system messaging with rich media support.

Social communities

Create vibrant social communities with group chat, moderation tools, and direct messages that keeps users engaged on-platform.

Delivery services

Add real-time chat to your delivery platform for seamless communication between customers, drivers, and support teams.

Resources

Tutorial

AI chatbot with OpenAI's ChatGPT

Learn how to build a custom AI chatbot using TalkJS and ChatGPT. Follow this step-by-step guide to integrate conversational AI into your in-app messaging experience.

Tutorial

Add chat to a React Native app

Add user-to-user chat to your React Native app with TalkJS. This tutorial shows how to integrate pre-built chat UI, create conversations, and set up push notifications step by step.

Tutorial

Add chat to a Next.js app

Learn how to add chat to your Next.js app using TalkJS. This tutorial covers setting up users, conversations, and client-side rendering with the React SDK to build a dynamic messaging experience.

Guide

Chat moderation tools

Learn how to keep your chat safe and respectful with chat moderation tools. This guide covers automated filters, user-level controls, and integrations for advanced moderation in online communities.

Ready to get started?

Build any chat use case into your product — in minutes — with just a few lines of code.

Try for free Talk to an expert