Voice | Ortavox

The voice object defines how your Agent speaks. It is a required field when creating an Agent.

Schema

{
  "voice": {
    "provider": "elevenlabs",
    "voice_id": "dqzVFKHwZvR9YMQoFM67",
    "model": "eleven_turbo_v2_5"
  }
}

Property	Type	Required	Description
`provider`	`string`	✅	TTS provider (see supported providers below)
`voice_id`	`string`	✅	Provider-specific voice identifier
`model`	`string`	✅	Provider-specific model name

Provider	`provider` value	Notes
ElevenLabs	`elevenlabs`	Recommended — highest expressiveness
OpenAI	`openai`	Fast and reliable (Alloy, Nova, Shimmer, etc.)
Google	`google`	Multi-language support
Cartesia	`cartesia`	Ultra-low latency