{"name":"Korean Holidays API","version":"1.0.0","description":"Official Korean public holidays, substitute holidays, and business day calculator. Updated annually from KNPS data.","endpoints":{"health":"GET /korean-holidays/health","mcp":"POST /korean-holidays/mcp (JSON-RPC 2.0)","holidays":"GET /korean-holidays/holidays","is_holiday":"GET /korean-holidays/is-holiday","next_business_day":"GET /korean-holidays/next-business-day","business_days_between":"GET /korean-holidays/business-days-between"},"auth":"Pass X-API-Key header for /api/v1/* endpoints.","pricing":{"free":"100 req/day","pro":"$9/mo — unlimited"}}