Nützliche oder sonst wie interessante APIs.

• AnyAPI - Documentation and Test Consoles for Over 1400 Public APIs
• APIs.guru
• Public APIs: A Collection of Public and Free APIs for Development
• public-apis/public-apis: A collective list of free APIs
• Big List of Free and Open Public APIs (No Auth Needed) [2021]

• Google Fonts
• cdnjs
• jsDelivr - A free, fast, and reliable CDN for open source

• Weatherbit.io
• OpenWeatherMap
• SWAPI - The Star Wars API
• APIMeme - Meme Generator API
• VirusTotal
• Trademark Search API Nur US-Handelsmarken
• Travis CI API
• Foreign exchange rates and currency conversion API
• Domain Name Data - host.io
• Shields.io: Quality metadata badges for open source projects
• GitHub Licenses API
• QR tag | API
• goqr.me QR code API
• Free IP Geolocation API - Locate 4 Billion+ IPs
• Free IP Geolocation API - FreeGeoIP.app
• Free Currency Conversion API - freecurrencyapi.net
• screenshotlayer API | Free, Powerful Screenshot API
• xkcd API
• M-Media-Group/Covid-19-API
• Discogs
• Web API | Spotify for Developers
• Instagram Basic Display API - Instagram-Plattform
• r-spacex/SpaceX-API: Open Source REST API for SpaceX launch, rocket, …
• Random User Generator
• Loripsum.net - The 'lorem ipsum' generator that doesn't suck.
• TinyPNG – Developer API
• Sheety - Turn your Google Sheet into an API
• ipify - A Simple Public IP Address API
  • IP Geolocation API
• httpbin.org
• Imgur API
• Bots: An introduction for developers
• TheSpaceDevs (Raumfahrt-Daten, u.a. die nächsten Raketenstarts)