curl --request POST \
  --url https://api.cartesia.ai/voices/clone \
  --header 'Authorization: Bearer <token>' \
  --header 'Cartesia-Version: <cartesia-version>' \
  --header 'Content-Type: multipart/form-data' \
  --form clip='@example-file' \
  --form 'name=<string>' \
  --form 'description=<string>' \
  --form language=en \
  --form '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"
}