Voiden - Build and Test APIs like you build code

Hey Product Hunt 👋

Nikolas here, building Voiden.

API tools were supposed to make developers faster. Somewhere along the way, they turned into platforms: logins for localhost, cloud-first workflows, proprietary formats, per-seat pricing — and things breaking the moment you go offline.

That never sat right with us.

We didn’t want to build another Postman clone or a “faster version” of what’s already out there. Instead, we took the longer (and harder) path: rethinking assumptions, stripping away noise, and building an API tool that actually respects how developers think and work.

A few principles we have been (a bit) stubborn about:

• API testing should work locally, by default

• Your files and workflows should stay yours

• Tools should not hold your work hostage

• If you claim to “free developers”, the tool itself should stay free

That is also why Voiden is now open source (not as a marketing move, more like paying a long-overdue debt to the community.

Open source, for us, means loosening our grip:

• letting the vision exist without constant explanation

• accepting the nerves of having every line of code visible

• moving from building in isolation to building with others

If you are tired of heavyweight API platforms pretending to be tools, this might resonate.

Try it, break it, question it, shape it.

We are here all day and genuinely want the feedback 🚀

Very cool - how does collaboration work if it's offline? In git?

the markdown native approach is smart. api docs and tests living in the same file that git tracks properly is something postman never figured out.

the block composition idea is interesting too. treating headers, auth, body as reusable pieces instead of one big request object makes more sense.

does it support importing postman collections?