Voices
List Voice Languages
List the languages supported by one voice.
GET
Get Voice Language Details
Read only
Returns the language choices supported by one voice. Use this endpoint when a voice picker needs to show per-voice language options before saving an agent.
Recommended. This endpoint is part of the public
/v1 API reference and is the supported path for new integrations. See the migration guide for versioning guidance.When to use this
- Voice pickers: after the user selects a voice, show only the languages that voice actually supports.
- Pre-save validation: confirm the
language_idyou are about to set on an agent is supported by itsvoice_id, so Create Agent or Update Agent does not fail validation. - Multilingual rollouts: check whether one voice can cover all your target languages or whether you need a different voice per market.
Path parameters
Related endpoints
- Get Voice Details: fetch one voice record.
- List Speech To Speech Voices: fetch S2S-compatible voices and language choices.
- List Languages: fetch the platform language catalog.
Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Path Parameters
Voice ID
Example:
"voice_abc123"
Get Voice Language Details