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Add Messaging, Voice, and Authentication to your apps with Nexmo APIs

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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 Linux (IoT), macOS, and Unity. Contact us if you'd like to participate in these upcoming beta programs.

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Insights API

Get programmatic access to your usage, quality, and error data. Use these to monitor growth, understand your end users' experience, find systemic issues in your app, and more.

See the docs

Microsoft Edge Support

We now have beta support for Microsoft Edge starting with Edge 17. This version of Edge is contained in the Windows 10 April 2018 Update. Edge 17 is supported with OpenTok.js version 2.13 or higher. Earlier Edge versions (Edge 16 and Edge 15) only work with relayed OpenTok sessions.

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