Public APIs

Curated list of free APIs.

More in Agent & API Marketplaces

Public APIs Directory

A collection of public APIs for developers, categorized and crowdsourced. Animals, books, cryptocurrencies, development, music, weather and much more.

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OpenAI's marketplace of custom GPTs.

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AWS Marketplace category for agents and tools.

Google Cloud AI Agent Finder

Google Cloud marketplace of AI agents.

Information is summarised in our own words and may be out of date; check the vendor's site for current terms and prices. Not affiliated with Public APIs. Suggest a correction.

Category	Agent & API Marketplaces
Authentication	No auth
Pricing	Free
Source	Open Source
Website	https://github.com/public-apis/public-apis
Docs	https://github.com/public-apis/public-apis
Last checked	2026-10-14
As JSON	/api/v1/directory/public-apis.json