The Global Holidays API allows you to access Calendarific's calendar database and use it to display the dates of public holidays and observances in your application. The database covers over 200+ countries worldwide, and it is constantly being updated and extended. You can choose an affordable pricing model that fits your needs, and custom solutions are available.
An API key is required for every request to the API. The API key can be retrieved from the account pages. If you do know your API key please signup for a free account key.
JSONP and CORS are supported, allowing you to use ipinfo.io entirely in client-side code. For JSONP You just need to specify the callback parameter, eg. http://ipinfo.io/?callback=callback