Free Public API Directory
Discover free public APIs for AI agents and developers
Details
- Categories
- AIDeveloper ToolsData & Infrastructure
- Target Audience
- AI DevelopersDevelopersIndie Hackers
- Pricing
- Free
- Platforms
- Web
About Free Public API Directory
saxi.ai is an open-source directory of 1,500+ free public APIs, organized for AI agents and developers. Every listing links to real documentation and is tagged by auth type, protocol, and capability (search, geocoding, browser automation, LLM, scraping, and more). Browse 68 categories, 16 capability types, and hand-picked collections like "Best APIs for AI Agents" or "Search and RAG APIs." The entire project is open source on GitHub. Submit new APIs, report broken listings, or contribute directly. Built on top of established open-source API lists (public-api-lists, public-apis) with validation and structured tagging on top. Free. No login. No API key. Just data.
Product Insights
This open-source web platform provides an organized directory of over 1,500 free public APIs categorized for AI agent development and workflow automation. It centralizes structured data across sixty-eight categories, offering metadata on protocols and authentication types without requiring user registration.
- Comprehensive indexing of over 1,500 APIs with documentation links.
- Specialized tagging for AI use cases like RAG, LLMs, and browser automation.
- Open-source transparency with the full project hosted on GitHub.
- Accessible pricing model requiring no fees, logins, or API keys.
Ideal for: AI Developers, Developers, and Indie Hackers who need to discover and integrate verified public APIs into their AI agents or automated workflows.
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Hey PeerPush I'm Alex, the maker of saxi.ai. I built this because finding the right free API was always the same loop: dig through outdated GitHub lists, click broken links, guess the auth method