TokBox Inc. offers OpenTok, a WebRTC platform that enables embedding of real-time high-quality video, voice, screen-sharing, and OpenTok also offers messaging into existing mobile applications or websites. OpenTok primarily includes server-side SDKs and a REST API along with client libraries for the web, iOS, and Android. TokBox also offers TokBox Spotlight, a WebRTC-enabled integrated cloud-hosted video broadcast solution. TokBox Spotlight enhances viewer engagement for websites and mobile applications to offer large-scale interactive broadcast experience for the viewers.