curl --request GET \
  --url https://api.aicaller.io/v1/voices \
  --header 'aicaller-api-key: <api-key>'

{
  "data": [
    {
      "id": 1,
      "voiceSampleUrl": "https://example.com/voice-sample.mp3",
      "voiceName": "Rose",
      "gender": "Female",
      "isRecommended": true
    },
    {
      "id": 2,
      "voiceSampleUrl": "https://example.com/voice-sample2.mp3",
      "voiceName": "John",
      "gender": "male",
      "isRecommended": false
    }
  ]
}