A comprehensive directory of 300+ tools for working with OpenAPI descriptions — editors, linters, parsers, code generators, documentation, testing, mocking, and more.
- Comprehensive listings — Tools organized by category with filtering by language, OpenAPI version support, and more
- Curated collections — Browse open source tools, SaaS products, or legacy (pre-3.1) tools
- Sponsor highlights — Supporting companies get priority placement and badges
- Always up to date — Community-maintained with regular contributions
Want to add a tool or improve the site? Please read CONTRIBUTING.md.
OpenAPI.tools is maintained by APIs You Won't Hate. Sponsorship helps cover costs and enable continued development.
Benefits for sponsors:
- Priority placement in category listings
- "Sponsored" badge on your tool
- Embeddable badges for your website (see options)
- Astro — Static site generator
- React — Interactive components
- Tailwind CSS — Styling
- Netlify — Hosting
Run this first:
corepack enable
pnpm installUse Node.js 24 with this project. pnpm uses the package manager version pinned in package.json.
MIT