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

[
  {
    "voiceId": "<string>",
    "name": "<string>",
    "gender": "<string>",
    "language": "<string>",
    "accent": "<string>",
    "description": "<string>",
    "provider": "<string>",
    "previewUrl": "<string>",
    "playbackOverrideUrl": "<string>",
    "tags": [
      "<string>"
    ],
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z"
  }
]