Public APIs

1,426 open APIs across 50 categories. Give your agent superpowers by connecting it to real-world data and services.

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Calendar × Development 120 Games & Comics 96 Government 86 Geocoding 86 Transportation 69 Cryptocurrency 64 Finance 45 Video 43 Social 40 Security 38 Open Data 35 Sports & Fitness 33 Science & Math 33 Music 33 Weather 31 Health 31 Photography 29 Documents & Productivity 28 Animals 27 Test Data 25 Food & Drink 24 Books 23 Personality 23 Business 23 Machine Learning 22 Art & Design 20 Anime 19 URL Shorteners 19 Cloud Storage & File Sharing 19 News 19 Email 17 Jobs 17 Environment 17 Currency Exchange 17 Anti-Malware 15 Text Analysis 15 Shopping 14 Dictionaries 13 Blockchain 11 Entertainment 10 Open Source Projects 9 Tracking 9 Data Validation 7 Authentication & Authorization 7 Continuous Integration 6 Vehicle 6 Programming 5 Phone 5 Patent 4

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Calendarific

Worldwide Holidays

Checkiday - National Holiday API

Industry-leading Holiday API. Over 5,000 holidays and thousands of descriptions. Trusted by the World’s leading companies

Festivo Public Holidays

Fastest and most advanced public holiday and observance service on the market

Calendar HTTPS CORS

Google Calendar

Display, create and modify Google calendar events

Holidays

Historical data regarding holidays

Public Holidays

Data on national, regional, and religious holidays via API

Calendar HTTPS CORS