# Stream

> Stream provides APIs, SDKs, and customizable interface components for in-app chat, activity feeds, video, audio, and content moderation. Founded by Thierry Schellenbach and Tommaso Barbugli, it serves developers and enterprises building communication into their own applications, with an expanding open-source framework for real-time AI agents.

- **Founded:** 2015
- **Headquarters:** Boulder, United States
- **Founders:** Thierry Schellenbach (Co-founder and CEO), Tommaso Barbugli (Co-founder and CTO)
- **Products:** Activity Feeds, Chat Messaging, Video & Audio, Moderation, Vision Agents
- **Notable:** Completed Techstars NYC in 2015., Reported 517% growth in chat API revenue during 2020 in its March 2021 financing announcement., Raised a USD 38 million Series B led by Felicis Ventures in March 2021.

## Products & services

- **Activity Feeds** — Hosted APIs and SDKs for social timelines, follow relationships, reactions, and notifications.
- **Chat Messaging** — In-app messaging APIs, cross-platform SDKs, and customizable UI components with threads, reactions, permissions, and offline support.
- **Video & Audio** — WebRTC-based calling, audio rooms, and livestreaming infrastructure with client SDKs. Public beta launched in summer 2023.
- **Moderation** — Content screening plus human review queues, rules, enforcement tools, and audit logs; available within Stream products or as a standalone API.
- **Vision Agents** — Open-source Python framework for real-time voice and video AI agents, with integrations across model, speech, and vision providers.

## Achievements

- Completed Techstars NYC in 2015.
- Reported 517% growth in chat API revenue during 2020 in its March 2021 financing announcement.
- Raised a USD 38 million Series B led by Felicis Ventures in March 2021.
- Reports more than one billion end users reached through customer applications.
- Offers a 99.999% enterprise uptime SLA package; this is a contractual service level, not an assertion of measured historical uptime.

## Latest updates

- **2026-06** — Published an explanation of real-time vision agents and its open-source Python framework.
- **2026-04** — Vision Agents v0.5 added Anam avatars, local hardware I/O, and stability improvements, including fixes for long-running resource leaks.
- **2026-01** — Vision Agents v0.3 introduced HTTP deployment support, observability, session management, and ten new plugins.

## Links

- Website: https://getstream.io/
- LinkedIn: https://www.linkedin.com/company/getstream-io/
- Twitter/X: https://twitter.com/getstream_io/
- GitHub: https://github.com/GetStream/
- YouTube: https://www.youtube.com/channel/UC2xOn0xQj1HIpHJpOy5tvpA
- Facebook: https://facebook.com/getstream.io/

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Profile page: https://yespress.io/stream
Published by YesPress — https://yespress.io
Last updated: 2026-10-16