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POST
/
voices
Create Voice
curl --request POST \
  --url https://api.cartesia.ai/voices \
  --header 'Cartesia-Version: <cartesia-version>' \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "name": "<string>",
  "description": "<string>",
  "embedding": [
    123
  ],
  "language": "en",
  "base_voice_id": "<string>"
}
'
{
  "id": "<string>",
  "user_id": "<string>",
  "is_public": true,
  "name": "<string>",
  "description": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "language": "en"
}

Authorizations

​
X-API-Key
string
header
required

Headers

​
Cartesia-Version
enum<string>
required

API version header. Must be set to the API version, e.g. '2024-06-10'.

Available options:
2024-06-10,
2024-11-13,
2025-04-16
Example:

"2024-06-10"

Body

application/json
​
name
string
required

The name of the voice.

​
description
string
required

The description of the voice.

​
embedding
number<double>[]
required

A 192-dimensional vector (i.e. a list of 192 numbers) that represents the voice.

​
language
enum<string> | null

The language that the given voice should speak the transcript in.

Options: English (en), French (fr), German (de), Spanish (es), Portuguese (pt), Chinese (zh), Japanese (ja), Hindi (hi), Italian (it), Korean (ko), Dutch (nl), Polish (pl), Russian (ru), Swedish (sv), Turkish (tr).

Available options:
en,
fr,
de,
es,
pt,
zh,
ja,
hi,
it,
ko,
nl,
pl,
ru,
sv,
tr
​
base_voice_id
string | null

Pull in features from a base voice, used for features like voice mixing.

Response

200 - application/json
​
id
string
required

The ID of the voice.

​
user_id
string
required

The ID of the user who owns the voice.

​
is_public
boolean
required

Whether the voice is publicly accessible.

​
name
string
required

The name of the voice.

​
description
string
required

The description of the voice.

​
created_at
string<date-time>
required

The date and time the voice was created.

​
language
enum<string>
required

The language that the given voice should speak the transcript in.

Options: English (en), French (fr), German (de), Spanish (es), Portuguese (pt), Chinese (zh), Japanese (ja), Hindi (hi), Italian (it), Korean (ko), Dutch (nl), Polish (pl), Russian (ru), Swedish (sv), Turkish (tr).

Available options:
en,
fr,
de,
es,
pt,
zh,
ja,
hi,
it,
ko,
nl,
pl,
ru,
sv,
tr