Api

Open Library is a universal catalog for book metadata, offering free access to book data.

REST Countries provides a family of read-only HTTP APIs for reference data, including structured country data, currency conversion, and exchange rates. It is free and open source.

Weather forecasts, nowcasts and history in a fast and elegant way. Provides access to current, forecast, and historical weather data for any location on Earth.

A simple HTTP REST API for searching and retrieving live articles from all over the web.

Free tool to generate RESTful APIs from CSV files.

Free for cryptocurrency data.

Free access to European statistical data through API and web services.

The Flickr API provides access to a vast collection of photos and metadata, allowing developers to create applications that interact with Flickr's photo-sharing platform.

PokéAPI is a free and open API for Pokémon data, providing a wide range of information about Pokémon species, abilities, types, and more. It is a consumption-only API with no authentication required and no rate limiting, but users are encouraged to follow a fair use policy.

The YouTube Data API allows you to access YouTube data, such as videos, playlists, and channels, with a free quota of 10,000 units per day.

Free fake and reliable API for testing and prototyping.

Free API for accessing Reddit content with rate limits. Paid options available for higher usage.

Free tier for movie and TV data.

Free and open access to global development data.

Platform for running and deploying machine learning models in the cloud.

Free for music database.