Free Public APIs

Public API's

• HTTP Request & Response Service
• Free fake API for testing and prototyping
• [Fake Store API)(https://fakestoreapi.com/)
• The Star Wars API - swapi
• Reqres API
• Weather API
• Datamuse API - a word-finding query engine
• Random User Generator
• JSON and XML Weather API and Geo Developer API
• FourSquare Places API
• Link Shortening - Rebrandly
• Movie API
• The Cat API
• The Dog API
• The Chuck Norris API
• Quotes API
• Quotes API
• Dad Jokes API
• The Spotify API
• The New York Times API
• The Wikipedia API
• The Wikidata API
• The Medium API
• Design Quotes API
• The GoodReads API
• The Dribbble API
• The 500px API
• The Unsplash API
• The Giphy API — GIFs!
• The Pixabay API
• Exchange rates
• Site screenshots API
• The Oxford Dictionary API
• Website Technologies API
• The Mapbox API
• Music Lyrics API by Genius
• Site meta tags API
• The EventBrite API
• Open source projects changelogs
• The GitHub REST API
• The GitHub GraphQL API
• QR codes API
• The StackExchange API
• Words and synonyms
• The Nasa API
• The SpaceX API
• The Hacker News API
• The Instagram API
• The Reddit API
• The Slack API
• The Twitter API
• The YouTube API
• The API Collective
• Teleport - Information about various cities
• MathJS
• UPCitemdb API
• Free Public APIs for Developers

API Lists/Directories

• A list of Public API
• Programmableweb API
• RapidAPI - API Marketplace

Creating APIs

• Rapidly develop User Interfaces with fake APIs

How to keep your API Keys Safe

• How to Hide Your API Keys