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8 Offline Postman Alternatives That Make API Testing Fast, Private, and (Dare I Say) Fun

Stephen P. Roy on August 27, 2025

If you’ve ever been stranded without Wi‑Fi mid‑debug, you know the feeling: your API client suddenly turns into a very pretty paperweight. In the r...
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Klaudia Kováčová

Good list, Stephen!

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Stephen P. Roy

Thank you! Hope it helps!

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jeffdev03

I like bruno best, but good to know more options!

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Stephen P. Roy

Cool. I like Bruno as well. And I use Apidog at the same time for documenting all the API stuff.

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An Lin

I did not know there were so many offline API clients until I read your article. Great job!

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Stephen P. Roy

Thank you! Hope it helps.

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aldin

I'm helping up the team behind Voiden.
Would love hearing your thoughts about it!

Especially given it's IMHO a diametrical way of doing it, yet much closer in line with how devtools usually work.

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Ananya Balehithlu

Which one is open source?

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Stephen P. Roy

Most of them I think, like Bruno, Hoppscotch, which are two of the most popular ones.

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Krzysztof Koziarski

The VS REST client is no longer maintained and IMO should no longer be recommended. Use httpYac instead.

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Stephen P. Roy

Thanks for reminding, bro

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LinceMathew

Love this breakdown Offline-first tools don’t just save you when Wi-Fi flakes—they also remove that constant “what’s happening to my data in the cloud?” worry.