Pipecat text to speech

Use Speechmatics text to speech voices in your Pipecat voice bots.

Use Speechmatics TTS to give your Pipecat voice bot a clear, natural voice.

Installation

pip install "pipecat-ai[speechmatics]"

Usage

import aiohttp

from pipecat.services.speechmatics.tts import SpeechmaticsTTSService

async with aiohttp.ClientSession() as session:
    tts = SpeechmaticsTTSService(
        api_key="YOUR_API_KEY",
        voice_id="sarah",
        aiohttp_session=session,
    )

Configuration

Parameter	Type	Default	Description
api_key	string	env var	Speechmatics API key (defaults to SPEECHMATICS_API_KEY)
voice_id	string	"sarah"	Voice to use
base_url	string	service default	Base URL for the Speechmatics TTS endpoint
aiohttp_session	aiohttp.ClientSession	none	Reuse a session for connection pooling and lower latency

For available voices and detailed TTS options, see the Text to speech quickstart.

Next steps

• Quickstart — Build a complete voice bot
• Speech to text — Configure STT options
• Pipecat documentation — Full Speechmatics TTS reference