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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.

Live captions

Use the Live Captions API to transcribe audio streams and generate 1 real-time captions for your application.

See the docs

Secure callbacks

You can now secure webhook callback requests with signed callbacks, using a signature secret.

See the docs

Audio Connector

Audio Connector lets you send raw audio (PCM 16 khz/16bit) streams from live Vonage Video sessions to external services such as AWS, GCP, Azure, etc., through your own servers for further processing and analysis.

See the docs

Additional Client SDKs

We are continually expanding the family of OpenTok client SDKs, with additions for Unity and Debian 12. Contact us if you'd like to participate in these upcoming beta programs.

Contact us

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.