curl --request GET \
  --url https://api.cartesia.ai/voices \
  --header 'Cartesia-Version: <cartesia-version>' \
  --header 'X-API-Key: <api-key>'

{
  "data": [
    {
      "id": "<string>",
      "is_owner": true,
      "name": "<string>",
      "description": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "embedding": [
        123
      ],
      "is_starred": true,
      "language": "en"
    }
  ],
  "has_more": true,
  "next_page": "<string>"
}