Did you know? All Video & Audio API plans include a $100 free usage credit each month so you can build and test risk-free. View Plans ->

Voice Calling API

Build In-App Voice Calling
in Days.

Build in-app voice calling in days. Stream runs hundreds of servers around the world so you can focus on what’s unique to your app. Start small and scale to millions of users.


Key <Voice Calling/> Features Users Need

Ship voice calling experiences with all the features your users expect.

Alerts and Call Notifications

Never miss an important call with seamless real-time notifications.

Built to Scale

Edge network for the lowest latency and reliable network.

Audio Track Redundancy

For optimal audio reliability we send the audio twice, to reduce the odds of it being lost (Opus RED).

Empower your Developers to Support,
Build & Launch Voice Calling Faster

Our tutorials and docs enable you to add in-app voice calling in a matter of days.

Easy to use

Try Demo

Don't just take our word for it—experience the power of Stream's video APIs with an interactive demo.

Easy to use

SDKs Built by Developers, for Developers.

Stream's performant SDKs for leading software frameworks and intuitive UI-kits make building in-app voice calling is quick and painless.

Ultra Flexible SDK Components 

For Every Use Case

Integrate Chat Messaging

Easily empower users to communicate better in real-time by seamlessly integrating chat messaging with video calling.

Security & Compliance

Host secure and compliant interactions with a video API that meets SOC2, ISO 27001, HIPAA, CCPA, GDPR regulatory standards.

Let's Discuss Your Use Case

Learn more about our custom solutions

Why Stream Voice Calling?

Build enterprise-ready voice calling experiences customized to your unique case, without the headache of becoming an expert or spending months on development.

Security & Compliance

  • Privacy Shield Framework
  • SOC2 (coming soon)
  • ISO 27001

Available Options

  • 24/7 Emergency Support
  • SSO, SAML, 2FA
  • Shared Slack Channels
  • Audit Logs
  • AI Text & Image Moderation
  • Onboarding services
  • 99.999% Uptime SLA
  • Dedicated AWS Region Stack

Start coding for free

No credit card required.
If you're interested in a custom plan or have any questions, please contact us.