curl "https://api.katsau.com/v1/classify?url=https://techcrunch.com/article&include_entities=true&include_sentiment=true" \
  -H "Authorization: Bearer ks_live_your_api_key"

{
  "success": true,
  "data": {
    "url": "https://techcrunch.com/2024/01/15/ai-startup-funding",
    
    "content_type": "article",
    
    "classification": {
      "primary_category": "Technology",
      "secondary_category": "Business",
      "confidence": 0.92
    },
    
    "topics": [
      { "name": "artificial intelligence", "score": 0.95 },
      { "name": "startup", "score": 0.88 },
      { "name": "venture capital", "score": 0.75 },
      { "name": "funding", "score": 0.72 }
    ],
    
    "entities": [
      { "name": "OpenAI", "type": "organization" },
      { "name": "Sam Altman", "type": "person" },
      { "name": "Microsoft", "type": "organization" }
    ],
    
    "language": {
      "code": "en",
      "name": "English",
      "confidence": 0.95
    },
    
    "sentiment": {
      "label": "positive",
      "score": 0.72
    },
    
    "reading_time": {
      "minutes": 5,
      "words": 1024
    },
    
    "publish_info": {
      "date": "2024-01-15T10:00:00Z",
      "author": "Sarah Smith",
      "publisher": "TechCrunch"
    }
  },
  "meta": {
    "request_id": "req_abc123xyz",
    "response_time_ms": 567
  }
}