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Stream Video API

Real-Time Video, Architected for Scale

Powered by a globally distributed edge architecture, benchmarked for sub-second latency.

Stream handles video complexity, maintains modern SDKs, and provides the native Chat integration, so your team can ship video calling and livestreaming in hours, not months.

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100K Participant Benchmark Results

  • 225 Gbps peak traffic
  • 132 SFU in cascading mode
  • 0 API call failures, 0 crashes
  • FPS stability at 30fps
  • 0% packet loss
  • Jitter 4ms
example of livestream sdk
Built By Devs, For Devs & Real-Time Scale

Stream’s Video API & developer-friendly SDKs are purpose-built to power video calling and livestreaming with low latency and consistent quality.

example of chat messaging engagement
Scaling WebRTC for Real-Time Video

Stream re-architects WebRTC for large, real-time sessions by eliminating peer-to-peer bottlenecks and optimizing for low-latency delivery.

Edge-Based SFU Architecture

A globally distributed SFU architecture with intelligent cascading reduces complexity and enables video calls and livestreams for thousands of participants.

Scale Your Video Use Case

Stream’s video stack is built to be flexible, so you can move fast, customize freely, and scale without limits.

example of audio rooms sdk

AI Voice Agents

Build voice agents using our out-of-the-box support for OpenAI Realtime or Gemini Live, and the second allows for a more traditional Speech-to-Text (STT) -> LLM -> Text-to-Speech (TTS) pipeline.

Video AI Agents

An open-source Video AI framework that ships with Stream Video as its default low-latency transport and is powered by our global edge network, but also allows developers to bring any edge layer they like.

example of video calling mockup in mobile phones

Video Calling API

Build in-app video 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.

example of voice calling mockup in mobile phones

Voice Calling API

Whether you need simple 1:1 calls or a feature-rich experience like Telegram, Stream delivers crystal-clear audio with unmatched reliability and scale.

example of livestream mockup in mobile phones

Livestreaming API

Build ultra-low-latency live streaming supported by Stream's global edge network to broadcast from your phone or RTMP and scale to millions of participants.

example of audio rooms mockup in mobile phones

Audio Rooms API

Add live audio to your app, from simple calls to full-featured spaces like Twitter. Stream delivers superior quality, reliability, and scale—no trade-offs required.

Key <Video and Audio/> Features

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1:1 & Group Calls

From direct calls to meetings with multiple participants, our video SDK is ready for any video or audio use case.

example of a large call with other 100k participants

+100k Participants

Broadcast to over 100k participants with high quality and low latency.

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Adaptive Resolution

Optimize the quality of your calls and costs with adaptive resolution that adjusts to network and client conditions.

example of noise reduction during a call

Noise Cancellation

Improve the user experience by eliminating background noises, voices, and echo.

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Recording

Safely record calls to Stream or external storage systems. Multiple resolutions are available.

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Transcriptions & Closed Captions

Transcribe your calls to multiple languages.

Standard Experience Features

  • Ringing calls
  • Call URL/Id
  • Device management
  • Call lobby
  • Call layout
  • Picture-in-Picture
  • Background blur and images
  • Dominant speaker focus
  • Speaking while muted
  • Audio volume indicators
  • Network quality indicator
  • Adaptive resolution
  • Opus RED and DTX
  • Push notifications
  • OpenAI Realtime API integration

Complementary Features

  • Session timers
  • Screen-sharing, including from mobile
  • Emojis and raise-hand
  • Build video/audio filters
  • Camera zoom
  • Long-press to focus
  • Push to speak
  • Participants list
  • Pinning users
  • Permission request
  • Multi-language transcriptions
  • Chat experience
  • Call quality rating

Admin & Developer Features

  • Configurable UI components
  • Custom data
  • Localization
  • Webhooks/SQS integrations
  • Multi-tenancy
  • 2FA
  • SAML/SSO
  • Configurations per call type
  • Network quality indicators
  • Call analytics
  • Configurable resolution limits
  • Recording and livestream composition
  • User bans
  • External storage for recording
  • Web-based dashboard

Want to learn more?

Why Developers Choose Stream

If you’re ready to explore how Stream Video can power your app with high-quality, low-latency video calling, fill out the form, and our team of experts will contact you shortly.

  • App Store-Compliant
    Built with global privacy and compliance in mind
  • Transparent Pricing – Predictable costs with plans that scale with your needs
  • Scalable Infrastructure – Proven to support millions of concurrent users
  • Workflow-Ready – Seamlessly integrates with your existing backend and UI

Stream Video FAQs

 Does Stream Video run on a global edge network?

Yes. Stream’s video infrastructure is distributed across global edge locations to deliver ultra-low latency and higher reliability, even at scale.

What platforms and frameworks does Stream Video support?

We offer client SDKs for Python AI, React, React Native, iOS, Android, Flutter, and more. You can build with or without our prebuilt UI kits.

 Is Stream Video suitable for large-scale livestreaming?

Yes. Stream supports livestreams with 100k+ viewers using RTMP ingest and HLS playback, with WebRTC for low-latency interactions.

 How does Stream handle video moderation?

You can integrate Stream's AI Moderation API to gain greater control over live video content.

What compliance standards does Stream Video meet?

Yes. Stream is SOC2, ISO 27001, HIPAA, and GDPR compliant. We also support SAML/SSO, audit logs, and multi-tenant architectures for enterprise use.

Can I customize the video UI or build my own layout?

Yes. Stream provides both prebuilt components for speed and low-level primitives for full customization.

Can I integrate other Stream APIs with Stream Video?

Yes. Stream’s APIs are designed to work together seamlessly. You can combine Video with Chat for in-call messaging, Feeds for activity updates, and Moderation for real-time content safety—all within the same app experience.

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