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Abstract Public Holidays vs Church Calendar

If you need a Calendar API that's easy to integrate, go with Abstract Public Holidays.

Abstract Public Holidays

Data on national, regional, and religious holidays via API

Church Calendar

Catholic liturgical calendar

Abstract Public Holidays

  • Simple API key authentication
  • HTTPS supported
  • CORS enabled for frontend use

Church Calendar

  • No authentication required
  • No HTTPS support
FeatureAbstract Public HolidaysChurch Calendar
AuthenticationapiKeyNone
HTTPSYesNo
CORSYesUnknown

When to use which?

Church Calendar is the better choice for quick prototypes and hackathons since it requires no authentication. Abstract Public Holidays works directly from the browser with CORS enabled, making it better for frontend-only apps. Abstract Public Holidays supports HTTPS, which is required for production deployments and secure data handling.