{"service":"Encar Direct Proxy","version":"3.0","api_target":"api.encar.com (direct, no token required)","endpoints":["/api/catalog","/api/nav","/api/vehicle-report","/health"],"features":["Direct api.encar.com access (no token required)","User-Agent rotation","BestProxy residential proxy (Korea primary, Korea fallback)","Automatic proxy failover with health tracking","Primary proxy auto-recovery after cooldown","Automatic session rotation on 403 errors","Rate limiting protection","Retry logic with exponential backoff","Advanced error handling","Concurrency-limited proxy connections (asyncio.Semaphore)","Native async HTTP via httpx"],"providers":["bestproxy"],"total_proxies":1}