curl --request GET \
  --url https://api.example.com/v1/voices \
  --header 'Authorization: Bearer <token>'

{
  "voices": [
    {
      "user_id": "<string>",
      "voice_id": "<string>",
      "name": "<string>",
      "description": "",
      "created_at": 123,
      "updated_at": 123
    }
  ]
}