Interactive Broadcast API

Enable large-scale interactive broadcast experiences where viewers and presenters can converse through real-time video and voice communications.

Interactive Broadcast

Enable large-scale interactive broadcast experiences where viewers andpresenters can converse through real-time video and voice communications.
Interactive Broadcast

Interactive Broadcast enables broadcasters to embed large scale interactive experiences directly into their branded websites and applications.

Broadcasters can host an event for 3000 participants to interact simultaneously in real time and stream to an unlimited number with HLS capabilities. Broadcasters can also stream directly into any video platform, including Facebook Live,, YouTube Live and more through RTMP streaming.

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Core Features

The event doesn’t end with the live show. Producers can create TV-ready content using built in recording capabilities for distribution.


TokBox makes it possible to extend broadcast experiences to an unlimited audience size and non-WebRTC endpoints with minimal latency.

Real-Time Interactivity

Broadcasters can interact in real time with their audience and with each other.

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Mobile Made Easy

The most comprehensive set of mobile solutions for WebRTC-based broadcasts. Interactive broadcast works and interoperates across a wide range of devices.


The OpenTok platform offers tools, analytics and global infrastructure to make it easy to develop & manage your application. The platform scales to meet your needs.

Fully Customizable

With the OpenTok Platform you have full control of the UI and experience so you can seamlessly embed Interactive Broadcast into your branded website or application.

Increased Reach & Audience Engagment

With the ability to enable 3000 viewers to interact in real time and to broadcast live to an unlimited audience, broadcasters can now achieve unprecedented reach and audience engagement.

No End User Downloads

With the OpenTok platform embedded directly into your website or mobile application there is no need for the end user to log in or download third party software.

Supported Devices

Latest versions of Chrome and Firefox as well as Internet Explorer 8+ (through the OpenTok plugin), Chrome on Android, Firefox on Android.


iOS 6.0+, iPhone 4S+, iPod Touch 5+, iPad 2+, iPad Mini.


Android 4.0+ family of devices: Samsung Galaxy, Google Nexus, Motorola Moto, LG Optimus.


Windows 7, Windows 8.x & Windows 10

Learn how Crowdcast expanded reach at scale See their story
Limitless possibilities

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