Add Voice Accents
Add accents to an instant voice clone you own so a single voice_id can speak multiple accents natively.
Authorizations
Cartesia API key (sk_car_...). Get one at play.cartesia.ai/keys.
Headers
API version header.
2026-03-01 "2026-03-01"
Path Parameters
The ID of the voice. Find one in the Voice Library or via List Voices.
Body
Accents to add. A voice can support up to 10 accents in total, including native.
1 - 9 elementsaustralian, brazilian-portuguese, british, canadian-french, castilian, central-tamil, central-thai, general-american, high-german, hindi, israeli, istanbul, italian, japanese, korean, mandarin, mexican, modern-standard-arabic, parisian, polish, randstad, russian, southern-us, stockholm, telangana Response
The same voice ID that can now speak the newly added accent(s).
The ID of the voice. Find one in the Voice Library or via List Voices.
Whether your organization owns the voice.
Who can access and list the voice
The display name of the voice. Does not include the tagline.
A short descriptor for the voice (at most 32 characters). Empty string when unset.
A description for the voice, typically longer than the tagline if both are provided.
The date and time the voice was created.
The voice's language, as an ISO 639-1 code (e.g. en, fr, zh)
"en"
Locales this voice can speak natively. The locale with is_native: true is the voice's original locale. Locale codes are BCP-47 language-region tags (for example en-US, es-MX). Only available for voices with known locale information.
Use access instead. Whether the voice is publicly accessible.
The gender of the voice, if specified.
masculine, feminine, gender_neutral The accent of the voice, if specified.
Arabic, Khaleeji Arabic, Middle Eastern Arabic, Modern Standard Arabic A URL to download a preview audio file for this voice. Useful to avoid consuming credits when looking for the right voice. The URL requires the same Authorization header. Voice previews may be changed, moved, or deleted so you should avoid storing the URL permanently. This property will be null if there's no preview available. Only included when expand[] includes preview_file_url.
The country associated with the voice, as an ISO 3166-1 alpha-2 code when available.
"US"
Whether this voice is a pro voice clone.
Only available if this voice is a pro voice clone (PVC). Lists each TTS model the PVC is compatible with, along with its fine-tune ID.
No longer used.