Stream provides the infrastructure for real-time social features within applications. The company's suite of APIs enables developers to integrate chat, video, audio, and activity feeds without building the systems from scratch. This technology underpins communication and engagement for over a billion end users across more than 4,000 applications, handling five million concurrent connections with an average response time of nine milliseconds and 99.999% uptime.
The technical foundation relies on distributed computing and systems built with Go, Python, PostgreSQL, RocksDB, and Redis, utilizing the Raft consensus algorithm. This stack supports applications across diverse sectors, including collaboration, dating, marketplaces, gaming, healthcare, and financial services. Stream has been scaling this real-time infrastructure for nine years.
The company is headquartered in Boulder and maintains a presence in Amsterdam, Skopje, and Toronto. It has raised $58.25 million in funding to support its growth and technical development.






