The Postman Alternative
A lot of “Postman alternative” searches aren’t actually about replacing Postman as an API client — they’re from someone who was handed a Postman-published docs page and realized they now need a Postman account, a workspace, and Postman’s domain (or a paid plan for a custom one) just to host API documentation.
Where Postman still wins
If your team is already using Postman for testing and collaboration, publishing docs from the same collection is genuinely convenient — no separate spec to maintain, and docs, tests, and mock servers all live in one place.
Where it falls short
Postman’s documentation feature is a bolt-on to a much bigger product. Getting a docs page live means a Postman account, a workspace, and a Publish flow — and the resulting page lives on Postman’s domain unless you’re on a plan that supports a custom one. For a team that just wants a docs page they fully own, that’s a lot of platform to bring along.
GetMan is the other end of that trade-off: no account, no workspace, no platform — just a script tag on a page you already control, reading a spec you already have.
If avoiding any account or paid tier at all is the deciding factor, see free API documentation tool. For docs that never need to leave your internal network in the first place, see internal API documentation.
Feature comparison
| Feature | GetMan | Postman |
|---|---|---|
| Setup | One script tag on your own page | Postman workspace + Publish |
| Account required | ||
| Hosting | Your own domain | postman.co domain (custom domain on paid plans) |
| Try it out (live requests) | ||
| Purpose | Documentation viewer | Full API client platform with docs as a feature |
| License / pricing | MIT, free | Free tier with team/usage limits |
Migrate in 3 steps
Swap the embed code and point GetMan at the same OpenAPI spec you're already serving.
Postman published docs
<!-- Hosted on Postman's domain, or embedded via iframe -->
<iframe
src="https://documenter.getpostman.com/view/your-id/your-collection"
style="width:100%; height: 100vh; border: 0;"
></iframe>
GetMan
<div id="api-docs" style="height: 100vh"></div>
<script src="https://cdn.getman.dev/latest/getman-ui.js"></script>
<script>
GetMan.launch(
document.getElementById('api-docs'),
{ url: 'https://your-api.com/openapi.json' }
);
</script>
FAQ
I already have a Postman collection, not an OpenAPI spec — can I still use GetMan?
GetMan reads OpenAPI/Swagger specs, not Postman Collection format directly. Postman can export a collection as OpenAPI, or you can generate a spec from your API framework directly — either gets you a file GetMan can render.
Why would I not just use Postman's own doc publishing?
If your team already lives in Postman for API testing, publishing docs from the same place is convenient. The alternative case is when you specifically don't want a docs page tied to a Postman account, workspace permissions, or the postman.co domain — GetMan runs entirely on infrastructure you already control.
Does GetMan replace Postman as an API client?
No — GetMan is a documentation viewer with a request console for testing endpoints from the docs page itself, not a full API client with collections, environments, and team workspaces. If you need that, keep Postman for testing and use GetMan for the public-facing docs.
See GetMan next to your own spec
Paste any OpenAPI or Swagger URL and see it rendered live — no signup, no install.
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