LiveKit
LiveKit is a Voice Agent Infrastructure company founded in 2020 and based in San Francisco, United States. It has raised $167M in total funding, most recently a Series C in 2026 at a $1B valuation.
LiveKit provides open-source infrastructure for real-time audio and video, powering voice-agent orchestration and WebRTC-based communication. Raised $20M Series A led by Andreessen Horowitz in 2023; adopted by Vapi, Retell, and other voice-agent platforms.
LiveKit is the infrastructure backbone for developers building real-time voice agents, enabling sub-100ms audio streaming at scale.
livekit.io ↗·Voice Agent Infrastructure·
United States·private 
