curl -X POST 'https://api.va.landing.ai/v1/ade/classify' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -F 'classes=[{"class":"Class 1","description":"Description of Class 1"},{"class":"Class 2","description":"Description of Class 2"}]' \
  -F 'document=@document.pdf'

{
  "classification": [
    {
      "class": "<string>",
      "page": 123,
      "reason": "",
      "suggested_class": "<string>"
    }
  ],
  "metadata": {
    "filename": "<string>",
    "page_count": 123,
    "duration_ms": 123,
    "credit_usage": 123,
    "org_id": "<string>",
    "job_id": "",
    "version": "<string>"
  }
}