{"name":"Deadline Engine API","version":"1.0.0","description":"Holiday-aware business-day math across US/UK/DE/KR/JP/IN. Add/subtract working days, count business days, compute SLA due-dates and look up public holidays. 2026 calendars embedded.","supported_countries":["US","UK","DE","KR","JP","IN"],"supported_years":[2026],"endpoints":{"add_business_days":"POST /deadline/add-business-days  { start, days, country }","business_days_between":"POST /deadline/business-days-between  { from, to, country }","is_business_day":"GET /deadline/is-business-day?date=YYYY-MM-DD&country=US","holidays":"GET /deadline/holidays?country=US&year=2026","health":"GET /deadline/health","openapi":"GET /deadline/openapi.json","mcp":"POST /deadline/mcp (JSON-RPC 2.0)"},"docs":"https://api.lazy-mac.com/deadline/openapi.json"}