Engine

Declarative Flow YAML

Define voice conversations as state machines in YAML — states, transitions, guards, and tool calls. No custom orchestration code.

Runtime

Pipecat Pipeline

Real-time voice pipeline with VAD, STT, LLM, and TTS wired together. Swap providers without changing your flows.

SDK

Browser & Mobile

WebSocket and WebRTC transports with automatic QoS monitoring and seamless transport switching built into the client SDK.