{"success":true,"message":"Welcome to Trending News API","version":"2.0.0","endpoints":{"GET /api/v1/categories":"List all categories","GET /api/v1/search":"Search articles (params: q, category, from, to, sortBy, limit, page)","GET /api/v1/trending":"Get trending articles (params: category, limit, page)","GET /api/v1/articles/{id}":"Get article by ID","POST /api/v1/articles":"Create new article","PUT /api/v1/articles/{id}":"Update article","DELETE /api/v1/articles/{id}":"Delete article","GET /api/v1/news":"Get all news (paginated)","GET /api/v1/sources":"List all sources","GET /api/v1/health":"Health check","GET /api/v1/stats":"API statistics"},"documentation":"Include X-API-Key header for authenticated requests"}