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Add Messaging, Voice, and Authentication to your apps with Vonage Communications APIs

Visit the Vonage API Developer Portal

Beta Programs

Help us improve our upcoming releases by testing out pre-release OpenTok features.

Our Beta Programs are a unique way to influence the future of the OpenTok Platform. These features are not complete, but they're very close, and your feedback can help us make them great.

Additional Client SDKs

We are continually expanding the family of OpenTok client SDKs, with additions for macOS and Unity. Contact us if you'd like to participate in these upcoming beta programs.

Contact us

Multiparty Toolkit

The Multiparty Toolkit is a JavaScript library to quickly create a multiparty video conference web application. It works on top of the Vonage Video API for JavaScript.

See the docs

SIP Call Monitoring

Register callback URLs to receive HTTP POST requests to your server to monitor the progress of SIP calls.

See the docs

SIP Video

Include video in a SIP calls connected to a Video API session.

See the docs

Force Mute

Allow moderators to mute the audio of streams in a session.

See the docs

The features and services provided during a Beta are not guaranteed to meet any platform SLOs or SLAs. Vonage reserves the right to not release any Beta services to General Availability. For more details on Beta liability, see our Terms of Use.