About us
We provide reliable, up-to-date public holiday data for developers and businesses worldwide.
Our Mission
Inspired by the 11 Federal holidays in the United States, our name reflects our goal of creating a centralized hub for public holidays across countries.
At 11holidays.com, our mission is to make it simple for developers and businesses to access accurate public holiday information from around the world. We believe that having reliable holiday data shouldn't be complicated or expensive.
Whether you're building a scheduling app, planning tool, or business application, our API provides the holiday data for 230+ countries you need with minimal effort and maximum reliability.
We cover public holidays for over 30 countries across all continents, with regular updates to ensure accuracy and completeness.
Our RESTful API is designed with developers in mind, featuring clean documentation, predictable endpoints, and easy integration.
From startups to enterprises, businesses worldwide rely on our API for their holiday data needs.
Our team continuously monitors and updates holiday information to reflect changes in government schedules and announcements.
We collect and verify holiday data from multiple authoritative sources including:
- Official government websites and publications
- National labor departments and ministries
- International organizations and standards bodies
- Local authorities and regional governments
All data is regularly reviewed and updated to ensure accuracy and reflect any changes in official holiday schedules.