If you still rely on Swagger Editor to draft or review OpenAPI definitions, you have probably hit its limits. It is stuck on an old version of the spec, it cannot flag most design issues, and large files quickly turn into a scrolling marathon.
OpenAPI 3.2 introduces structured tags, the QUERY method, improved XML modelling, clearer multipart rules and support for event streams. None of this is recognised in the legacy editor.
So here is a replacement you can actually use today: DeveloperHub - API Editor
The editor is fully free, no login required, and built specifically for modern OpenAPI work.
Key features
Full 3.2 support
All new fields and behaviours are supported. No extensions, no hacks. Of course, it supports all previous versions of OpenAPI specs.
Instant linting
You get helpful warnings as you type, not after the fact.
Document outline
Large specs become manageable with a clear tree of paths, tags and components.
Zero setup
Runs in the browser. Paste your YAML or JSON and start working.
Why try it
If you maintain APIs, review specs in pull requests, or onboard teams to OpenAPI, this gives you a straightforward and up to date tool. It is also perfect for experimenting with new 3.2 features without fighting your editor.
Give it a go and feel free to share it with your team:
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