curl -X GET "https://api.example.com/api/v1/voices/21m00Tcm4TlvDq8ikWAM" \
  -H "X-API-Key: your-api-key-here"

{
  "status": {
    "code": 200,
    "message": "Voice retrieved successfully"
  },
  "data": {
    "voice_id": "21m00Tcm4TlvDq8ikWAM",
    "name": "Rachel",
    "category": "premade",
    "description": "Calm and professional voice",
    "gender": "female",
    "accent": "american",
    "age": "young",
    "use_case": "narration"
  }
}