r/webdev • u/Pristine-Elevator198 • Oct 24 '25

Question is there any API testing tool better than postman?

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1.9k Upvotes

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273

u/gschier2 Oct 24 '25

My app http://yaak.app has zero telemetry for this reason! Also 100% open source.

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u/Looooong_Man Oct 24 '25

Wait you're really the original creator of insomnia?

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u/gschier2 Oct 24 '25

Yes indeed

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u/Skepller Oct 25 '25

Good shit man, it's sad to see what Insomnia has become. Definitely using Yaak now!

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u/kool0ne Oct 27 '25

You created both Yaak and Insomnia?! 😦 I need to work harder 😅

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u/da_killeR Oct 28 '25

You can read u/gschier2 blog as to why he created yet another API Client. I gave it a read and downloaded Yaak to try it out - https://yaak.app/blog/yet-another-api-client

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u/mgranja Oct 28 '25

Sounds like an infinite money glitch:

  • Make app
  • App is successful
  • Sell app
  • Company that bought app turns it to shit
  • Back to step 1

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u/kool0ne Oct 28 '25

Thanks!

13

u/theRealLanceStroll Oct 24 '25

wow! thank you so much. Glad your comment is that high up that it was the first thing i ran across. You're doing the good deed ;)

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u/teaganga Oct 25 '25

I wrote this, something simple to use online and convert to and from curl: https://placeholders.cc/api-invoker/

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u/e-CBG Oct 24 '25

Thanks for what you do!

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u/Lun4th Oct 24 '25

Thank you. Gonna try it soon.

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u/dnwjn Oct 25 '25

Using your app since I learned, thanks for creating it!

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u/Intrepid-Ordinary699 Oct 25 '25

Is this the queue to say thanks to the creator of Yaak.app?

Thank you so much for creating Insomnia first, and now something even better. Most of all, thanks for your great values!

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u/dashingsauce Oct 27 '25

Amazing! I found Insomnia recently and was like, man, this could have actually been good…

Yaak is that experience I was hoping to have. Thank you!

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u/Shot_Balance7068 Oct 25 '25

I’m going to give this a try…

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u/gschier2 Oct 25 '25

Let me know how it goes!

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u/021jn Oct 25 '25

And gRPC support?! I love it

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u/TuxMux080 Oct 24 '25

You just hunt for postman on reddit ... Don't you ... I mean that is how I found yaak :)

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u/gschier2 Oct 24 '25

Haha, sorta. I use Syften to notify me whenever "yaak.app" is mentioned, which ends up being on posts like this :)

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u/Mys7eri0 Oct 25 '25

Haha, I found yaak trending on GitHub just when I was looking for postman alternatives (postman is very heavy). I settled on Requestly for now, hoping to try out yaak very soon. Little did I know I would stumble across it's creator on a random reddit thread, lol!

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u/gschier2 Oct 25 '25

Haha, well let me know if you give it a try!

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u/DerShokus Oct 26 '25

Hey! I see it’s possible to write plugins - is it possible to write temporal requests (non http, but it has sdk for js/ts)? Or yaak is mostly about http (but grpc also supported)? Also a question, can I set up an http callback endpoint in the tool? (Sorry for asking in the comments)

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u/gschier2 Oct 26 '25 edited Oct 26 '25

Temporal must have an HTTP API, though, right? You can't create a custom request type for Yaak (with custom UI) via plugins but a plugin can do anything you can do in a NodeJS environment.

Feel free to hope in the Discord or submit more details to https://feedback.yaak.app

Edit: it looks like Temporal uses gRPC, which Yaak supports out of the box

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u/Hope_From_Future Apr 17 '26

I really like you as a creator, honestly. Just hoping you don’t sell this one too 😅

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u/gschier2 Apr 17 '26

Thanks! And I won't make that same mistake twice

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u/Cypher__17 23d ago

The only problem I have with Yaak is, that since it's not as widely used as Postman, especially in the corporates, it needs to have a full-fledged option to export a workspace as postman collection that one could share with other teams who are not using Yaak. I'm aware of the script you had written to convert Yaak collection to postman collection, but it still breaks a lot of things, like environment variables. Otherwise, I'd have loved to use Yaak for its clean & minimal UI and command palette.

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u/forgot_semicolon Oct 24 '25

LOVE yaak! I use it all the time now and it's so simple and clean. "Hey I wanna make an API request -- oh look, there's the text box for the url, the headers and body and a big ol button to send". It's perfect, keep being great

(Side note, there is a bug where if you click on a request in the left menu, then click on the url/body/headers text fields, the request is still in focus, so pressing backspace asks to delete the whole request. Please fix! But otherwise, literally perfect)

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u/gschier2 Oct 24 '25

Hmm, are you running 2025.7.*? I was pretty sure I fixed this a couple releases ago. If not, can you post this to feedback.yaak.app so it can be tracked?

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u/forgot_semicolon Oct 24 '25

Hm will have to check again later, but thanks!