{"endpoints":{"/cookies/refresh":"POST - Force refresh guest cookies","/detect":"POST - Detect platform from URL","/diag":"GET - Diagnostics","/download":"POST/GET - Download video (optional: include_transcript, fresh, quality)","/files/<filename>":"GET - Serve downloaded file","/health":"GET - Health check","/healthz":"GET - Kubernetes liveness/readiness probe","/platforms":"GET - List supported platforms","/proxies/refresh":"POST - Refresh free proxy pool","/status":"GET - System status (cookies, proxies, features)","/transcript":"POST - Download transcript only","/version":"GET - Version info"},"features":["Multi-platform support (15+ video sites)","Error classification with intelligent retry","Guest cookie generation (auto-fix consent issues)","Proxy pool with health scoring + circuit breakers","Concurrency limits (semaphore-based)","Speed watchdog (detect YouTube throttling)","TLS impersonation support","PO Token generation (YouTube anti-bot)","IP ban detection + auto-recovery","Browser cookie extraction (nuclear option)"],"message":"YTDLP Ultra V5.1 - Production Video Downloader API","ok":true,"version":"v5.1"}