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saxi.ai
1,500+ free APIs. Open data. Built for AI agents.
Open-source directory of 1,500+ free public APIs, organized for AI agents and developers. Every listing links to real docs and is tagged by auth type, protocol, and capability like search, geocoding, browser automation, LLM, or scraping. Browse 68 categories, 16 capability types, and curated collections like "Best APIs for AI Agents" or "Search and RAG APIs." Built on top of established open-source API lists with validation and structured tagging on top. No login or paywall. PRs welcome!
Hey Product Hunt! I'm Alex, maker of saxi.ai.
I kept running into the same problem: I needed a free API for a project, searched through GitHub lists, and half the links were dead, docs were missing, or auth requirements were unclear. With AI agents now needing reliable tool access for search, geocoding, scraping, translation, and more, that problem got a lot more painful.
So I built saxi.ai. It takes the best open-source API lists (public-api-lists, public-apis, tools-collection), validates every entry, and adds structured tagging by capability, category, auth type, and protocol. Right now there are 1,500+ APIs across 68 categories and 16 capability types.
The whole project is open source: github.com/alexander-schneider/saxi.ai
A few things I'd love feedback on:
- What categories or capabilities are missing?
- Are there free APIs you use regularly that aren't listed yet?
- What would make this more useful for your agent or dev workflow?
If you find a broken listing or want to add an API, PRs and issues on GitHub are always welcome. No login required to browse. No paywall. Just data.
Thanks for checking it out!
About saxi.ai on Product Hunt
“1,500+ free APIs. Open data. Built for AI agents.”
saxi.ai was submitted on Product Hunt and earned 6 upvotes and 1 comments, placing #60 on the daily leaderboard. Open-source directory of 1,500+ free public APIs, organized for AI agents and developers. Every listing links to real docs and is tagged by auth type, protocol, and capability like search, geocoding, browser automation, LLM, or scraping. Browse 68 categories, 16 capability types, and curated collections like "Best APIs for AI Agents" or "Search and RAG APIs." Built on top of established open-source API lists with validation and structured tagging on top. No login or paywall. PRs welcome!
On the analytics side, saxi.ai competes within API, Open Source, Developer Tools and GitHub — topics that collectively have 718.5k followers on Product Hunt. The dashboard above tracks how saxi.ai performed against the three products that launched closest to it on the same day.
Who hunted saxi.ai?
saxi.ai was hunted by Alexander Schneider. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of saxi.ai including community comment highlights and product details, visit the product overview.
Alexander Schneider