{"service":"AITC VLM Document Extraction API","version":"3.0.0","features":["✅ Async job queue (Celery + Redis)","✅ Result caching (7-day TTL)","✅ Rate limiting (10 req/min per IP)","✅ API key rotation (multi-key support)","✅ Parallel processing","✅ Ejar & RER document support"],"endpoints":{"sync_extraction":"/api/extract-document","async_extraction":"/api/extract-document-async","task_status":"/api/task-status/{task_id}","cache_stats":"/api/cache/stats","supported_docs":"/api/supported-documents","health":"/health","docs":"/docs"}}