REST Countries API
REST Countries provides detailed information about countries
worldwide, including data about population, region, languages,
currencies, flags, and more. Would be good for applications requiring
geographical or cultural data.
Cost: Free to use with no authentication required
Visit REST Countries Documentation
PokeAPI
The PokeAPI provides comprehensive Pokemon data including species,
abilities, moves, types, and more. It's a RESTful API that covers
everything from the Pokemon games, perfect for building
Pokemon-related applications or games. My daughter wants me to do
anything pokemon related!
Cost: Completely free with no authentication required
Visit PokeAPI Documentation
JSONPlaceholder
JSONPlaceholder is a free fake REST API designed for testing and
prototyping. It provides endpoints for common data types like posts,
comments, users, and photos. Perfect for learning API integration or
testing applications without real backend data.
Cost: Completely free
Visit JSONPlaceholder Documentation
Summary
These three public APIs - JSONPlaceholder, PokeAPI, and REST Countries API are good resources for a developer learning API integration. All three APIs are free to use and require no authentication. They also return data in JSON format and have plenty of documentation making them good for learning RESTful API integration or building prototype applications.