FREE API EXPLORER

A project to promote open-source collaboration during December.

An API for accessing the vast collection of the Internet Archive.

Provides a comprehensive listing of public holidays in China.

Provides access to data from the Catholic liturgical calendar.

Provides access to liturgical calendar data for Christian celebrations.

An API to look up a name and return the corresponding nameday date in Czechia.

Perform custom searches for earthquake information.

Provides open energy data from Energinet, Denmark's electricity and gas operator.

Provides access to energy data for retrieval and analysis.

Provides access to the largest public database of food banks in the UK.

Offers access to a comprehensive dataset of human-shark interactions.

Provides the Green Power Index (Grünstromindex/GSI) for Germany.

A REST API to convert between Gregorian and Hebrew dates, and fetch holiday information.

An open platform for sharing humanitarian data across crises and organizations.

A collection of open APIs that deliver services in or regarding Iceland.

An API for tracking upcoming and ongoing competitive coding contests.

Provides lectionary data for the Protestant liturgical calendar.

Provides public holiday information for over 100 countries worldwide.

Provides nameday information for multiple countries.

Provides open data from Great Britain’s Electricity System Operator.

Provides a dataset of newborn first names in the Canton of St.Gallen, Switzerland.

Provides a database of non-working days for various countries as ICS files.

A simple REST API for checking working/non-working days in Russia, CIS, and USA.

Measures pedestrian traffic in St. Gallen, Switzerland.

Provides access to data on pedestrian frequencies in Zurich, Switzerland.

A crowdsourced map and API of public pinball machines.

An API for public holiday data, supporting over 100 countries.

Provides access to heat focus data (probable wildfires) from Brazil's INPE.

Provides data services for animal welfare organizations and pet adoption websites.

A simple API to check if a specific date is a Russian holiday.