{"message":"YouTube Downloader API","endpoints":{"GET /api/youtube/download":{"description":"Download YouTube video and audio URLs","parameters":{"url":"YouTube video URL (required)"},"example":"/api/youtube/download?url=https://www.youtube.com/watch?v=dQw4w9WgXcQ"},"POST /api/youtube/download":{"description":"Download YouTube video and audio URLs","body":{"url":"YouTube video URL (required)"},"example":"{\"url\": \"https://www.youtube.com/watch?v=dQw4w9WgXcQ\"}"},"GET /api/health":{"description":"Health check endpoint"}}}