{"ok":true,"service":"HolidayCal API","endpoints":["GET /holidays?country=US&year=2026","GET /is-workday?country=US&date=2026-07-03","GET /add-workdays?country=US&date=2026-12-23&days=5","GET /longweekends?country=US&year=2026","GET /countries"],"source":"Nager.Date"}