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Checkiday - National Holiday

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Provides data on over 5,000 holidays with thousands of descriptions.

APIDeveloper ToolsAuth: API KeyFree
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Updated 2026-06-15

What is Checkiday - National Holiday?

It is a data service focused on national holidays that returns entries and textual descriptions.

It is useful for developers building applications that require holiday information in dev-tools workflows.

What you can build with Checkiday - National Holiday

Calendar and scheduling apps

Pull holiday dates and descriptions to automatically mark observances in user calendars and block conflicting meetings.

Marketing and email tools

Query relevant national holidays to schedule promotions, subject lines, or campaigns around specific dates.

Content and notification services

Fetch holiday details to generate daily trivia, push notifications, or social posts with accurate descriptions.

Get started with Checkiday - National Holiday

  1. 1Sign up on the provider site and obtain an API key
  2. 2Read the endpoint documentation for available holiday queries
  3. 3Construct an HTTPS request and include the API key in the header
  4. 4Test a sample call to retrieve holiday data in JSON format
  5. 5Parse responses and integrate results into your application

Checkiday - National Holiday: pros & cons

Pros

  • +Large dataset covering 5,000+ holidays
  • +Thousands of included descriptions
  • +HTTPS-only access for secure calls
  • +Simple API key authentication

Cons

  • No public pricing or rate-limit details listed
  • Limited to holiday information only
  • Requires key for every request
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Frequently asked questions

It is a data API that supplies over 5,000 holidays along with thousands of descriptions for use in applications.

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