Technology May 01, 2026 · 2 min read

Just released Fast API Tester Chrome extension

Lightweight API tester with history. Does the basics: GET/POST/PUT/DELETE/PATCH, headers, params, JSON body. Remembers last 3 requests. Pro features coming soon. I also need this to test my custom paywall service (one of the next 2 posts will revive more about it) One annoying thing: needed permi...

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DEV Community
by Ievgenii Podovinnikov
Just released Fast API Tester Chrome extension

Lightweight API tester with history. Does the basics: GET/POST/PUT/DELETE/PATCH, headers, params, JSON body. Remembers last 3 requests.

Pro features coming soon. I also need this to test my custom paywall service (one of the next 2 posts will revive more about it)

One annoying thing: needed permission because you can't predict which API endpoints people will call so this is very basic thing for such a thing as API test tool. That automatically flags the extension for manual review — which takes weeks instead of minutes/hours for auto-review.

I am actually understand that and am okay with that.

But what google does wrong - they can just hold you extension in limbo in "pending review" state for weeks and than you find some minor mistake in permissions (it still needed all_urls tho) and decide to take a risk and re-submit losing your queue in manual review and volia! you get published in 3 hours after two weeks of meaningless waiting.

So as usual you can't rely that 3rd party things will act as in perfect world. Only you can!

So if you're wondering why it's not live yet — that's why.

P.S. Let me know if you're interested in custom paywall service which is easier than ever - updates coming soon!

P.P.S Please use API tester if you need lightweight tool for that purpose and you can let me know it some specific feature is missing I will add if any. Thanks and have a nice day!

Fast API Tester - Chrome Web Store

Lightweight API tester with history

favicon chromewebstore.google.com

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This article was originally published by DEV Community and written by Ievgenii Podovinnikov.

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