Voices by Mode
Live Voices
A Live call speaks with one ofmarin, quartz, ripple, vesper, willow, stone, gleam, meridian, bossa, tempo, beacon, delta or cinder. Leave live_voice out and the call uses bossa when stt_language is Romanian and gleam otherwise.
voice. And a request that sends voice without mode runs Legacy. This list is the only source of Live voices: the voice endpoints below return Legacy voices only, and ?mode=live gives you empty lists.
Legacy Voices
GET /v1/voices/builtin lists the Legacy voices grouped by provider, and GET /v1/voices returns the same voices as a flat list. Pass a voice’s name or id as voice:
Other Languages
stt_language to the language your leads speak. Live uses it too. The languages you can use depend on the speech recognition and voice models; GET /v1/models lists each model’s supported_languages. Built-in voices aren’t tagged by language, so preview a voice in your target language before you commit to it.
Choosing a Voice
Support calls usually want a warm, patient voice, while sales calls do better with a confident one. Pick one voice per brand and keep it across campaigns so callers hear the same agent every time. Place a test call with it before you launch.Next Steps
AI & Voice Customization
Control your AI’s personality and behavior.
Making Calls
Set the voice when making calls.