Free API directory
Find an API, try it right here.
Search free APIs by name or description, filter by category and auth model, then try them right from this page.
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Original APIs
Ten original tools you can try right away, with no key. All in this section, one tap from the top of the page.
API Directory
No-key APIs always appear first, then sorted by name.
Some directory data comes from github.com/public-apis/public-apis (MIT license), with attribution to each API's original source. Every API still belongs to its original source, and links point to each original site.
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Journals and Books
Search journals and books from several sources at once. Results always link to the original site.
Search Journals and Books
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