Sendbird
Add chat, voice, and video to your app with Sendbird's APIs and SDKs—used by 300M+ users globally.

TalkJS is a chat API and pre-built UI toolkit that lets you add real-time messaging to any app or website in minutes. It handles WebSocket connections, message storage, push notifications, and moderation out of the box—no backend build required. You can customize the look with CSS or pre-made themes and control user permissions with role-based access.
Building in-app messaging from scratch is time-consuming and complex. TalkJS removes the overhead of WebSocket infrastructure, database design, and notification systems, letting you add private 1-on-1, group, or public chat with a single script tag.
Editorial score from our review methodology — not user ratings.
TalkJS pricing: from $279/mo. Billing model: Freemium.
Includes 10,000 monthly active users (MAU), unlimited conversations and messages, group chat, custom UI, chatbot interface, email/SMS/push notifications, file transfers, voice messaging, 1 webhook, and unlimited message retention. Free development mode included.
Includes 25,000 MAU, unlimited conversations and messages, all Basic features plus priority chat & email support, custom email sender domain, real-time message translation, search messages & conversations, and 3 webhooks. Free development mode included.
Customized plan with dedicated support (priority phone, chat & email), SLA, at-rest encryption, dedicated servers (add-on), on-premise/private cloud options, and more. Contact sales for pricing.
All plans include a forever free development mode—pay only when you go live.
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