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apidex vs Swagger UI: which OpenAPI viewer should you choose?
Swagger UI is the original OpenAPI viewer — battle-tested and ubiquitous. apidex takes a different approach: hosted, shareable, and playground-first. Here's how they compare.
The short version
Swagger UI is a brilliant open-source library: drop it into your project, point it at an OpenAPI document, and you get a familiar three-pane reference. The catch is that you own everything — the hosting, the build pipeline, the styling, the auth handoff for private docs.
apidex is the hosted alternative. You upload a spec, you get a link, and the link works — with a polished UI, a real interactive playground, and optional password protection. No build, no deploy, no maintenance.
When Swagger UI is the right choice
Pick Swagger UI if you want full control over hosting, you already have a frontend pipeline that can absorb it, or you need a deeply-customized look. It's also the safer bet if you have strict requirements that prevent uploading a spec to an external service.
When apidex is the right choice
Pick apidex if you want to be reading polished docs five minutes from now, share them via a single URL, or give a teammate a playground without setting up Postman. It's the fastest path from spec exists to docs are live.