{"service":"CarZakaz Encar proxy","version":"4.0","api_target":"api.encar.com through a Korean residential proxy","endpoints":["/api/catalog","/api/nav","/api/vehicle/{id}","/health"],"features":["Only CarZakaz's server: X-CZ-Backend-Token on every /api call, no browsers","User-Agent rotation","BestProxy residential proxy (Korea, single endpoint)","Automatic proxy failover with health tracking","Primary proxy auto-recovery after cooldown","Automatic session rotation on 403 errors","One shared rate limit for the trusted backend","Retry logic with exponential backoff","Advanced error handling","Concurrency-limited proxy connections (asyncio.Semaphore)","Native async HTTP via httpx"],"providers":["bestproxy"],"total_proxies":2}