A collection of APIs that are free to use for developers. They may have rate limits or require a login, but nothing more than those.
This list is being created primarily as a source of reference and inspiration for when you just don't know what to build for your next project. Happy coding!
- Accuweather API - Get free access to a sampling of our weather API endpoints, including Locations, Current Conditions, and Daily and Hourly Forecasts.
- Algolia API - Powerful updating search queries and recommendations API.
- Hacker News Network - Hacker News Network API uses Algolia API to return HNN data.
- Kepler.gl - a data-agnostic, high-performance web-based application for visual exploration of large-scale geolocation data sets.
- Giphy API - A library of gifs and stickers to integrate into your app.
- GitHub REST API - You can use the GitHub REST API to create calls to get the data you need to integrate with GitHub.
- Graph API - The Graph API is the primary way for apps to read and write to the Facebook social graph.
- Mapbox API - Precise location data and powerful developer tools to change the way we navigate the world.
- Medium API - medium.com's documentation repo. Allows APi keyholders to get information and post content to their account.
- NASA API - NASA's API directory. Contains multiple terrestrial and planetary data API's.
- Sunrise Sunset API - Get the sunrise and sunset times for any day or location.
- TD Ameritrade API - Create a trading bot or stock market analysis app.
- YouTube Data and Resources APIs - YouTube has a number of APIs and tools that let you embed YouTube functionality into your own website and applications.
- WikiPedia API suite - Multiple APIs to manipulate WikiePedia's resources in various ways.