# Voice API Reference
URL: /docs/api-reference/voice

Realtime voice, speech synthesis, and dictation contracts for wiring spoken assistant flows into React chat UIs.

> For AI agents: a documentation index is available at [llms.txt](/llms.txt). Use `.md` for canonical markdown pages; `.mdx` is kept as a backwards-compatible alias on supported URL paths.

Voice APIs cover the state and adapters needed for spoken assistant experiences. Use this section when connecting realtime voice sessions, speech synthesis controls, or dictation input to an assistant-ui runtime.

## Pages

- [Voice Sessions](/docs/api-reference/voice/session) — Create and control realtime assistant-ui voice sessions, state, controls, and helpers.
- [Speech and Dictation](/docs/api-reference/voice/speech-dictation) — Connect speech synthesis and dictation adapters to assistant-ui voice and composer workflows.