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WebSlurp
The Fastest Way to Test API Security Inside Chrome DevTools
WebSlurp is a free, open-source Chrome DevTools extension for API testing. Capture, inspect, edit, and replay HTTP/HTTPS requests without using an external proxy. Includes Quick Security Check to audit headers and detect secrets/PII.
I'm excited to finally share **WebSlurp** with you.
I built WebSlurp because I wanted an API inspector that does more than just capture requests. During debugging and security testing, I kept switching between DevTools, curl, Postman, and various security tools just to inspect a single API call.
WebSlurp brings those workflows together.
✨ A few highlights:
* Capture XHR & Fetch requests in real time * Edit and replay requests instantly * Built-in OAuth 2.0, Bearer Token, and Basic Auth support * Copy requests as cURL * Save and restore request history locally * Automatic security checks for headers, secrets, tokens, and sensitive data
One thing that's especially important to me: **everything runs locally in your browser.** Your captured requests aren't uploaded to any server, and no account is required.
This is only the first release, and I already have a long list of ideas for future updates.
I'd love to hear your feedback, feature requests, or workflows that you'd like WebSlurp to support. Thanks so much for checking it out! 🚀
WebSlurp is open source. If you find it useful, consider giving the project a ⭐ on GitHub. It really helps the project grow and reach more developers.
Really useful for quick API debugging right in the browser, love that it doesn’t need an external proxy. One thing that would make it even better is letting me save and organize captured requests into named collections so I can come back to them across sessions, maybe with a simple sidebar for grouped replays.
honestly the quick security check built right into the extension is such a smart move, love that you can catch missing headers and leaked secrets without leaving devtools. nice execution.
Love that this lives right in DevTools without needing a proxy. One thing that would make it a daily driver for me is adding GraphQL support so I can drill into individual operations and variables from a single endpoint instead of sifting through the raw request body.
finally a lightweight way to test endpoints without spinning up Postman or a proxy, and the secret detection in the security check caught an api key i forgot was in a response header.
finally a lightweight way to test endpoints without spinning up Postman or fiddling with proxies, and the security header audit caught a missing CSP i had been ignoring for weeks.
Love having something like this built right into DevTools, especially the security check is clutch. One thing that would be sweet is letting me save and group captures into collections or projects, so when I'm juggling multiple endpoints across different features I can switch contexts without losing my place.
Love that it runs entirely inside DevTools instead of spinning up a separate proxy, keeps the workflow feeling seamless when debugging. The Quick Security Check built right into the request panel is a really thoughtful touch for catching leaks early.
Caught a misconfigured auth header on my first replay, which was honestly more useful than I expected from a quick install. The Quick Security Check saving me from accidentally leaking a test token was a nice surprise.
Love that it runs without an external proxy, that was a dealbreaker for me with other tools. One thing that would make it way more useful for me: saved request diffing between environments, so I can replay the same call against staging vs prod and see exactly which headers or response fields changed.
About WebSlurp on Product Hunt
“The Fastest Way to Test API Security Inside Chrome DevTools”
WebSlurp was submitted on Product Hunt and earned 17 upvotes and 12 comments, placing #36 on the daily leaderboard. WebSlurp is a free, open-source Chrome DevTools extension for API testing. Capture, inspect, edit, and replay HTTP/HTTPS requests without using an external proxy. Includes Quick Security Check to audit headers and detect secrets/PII.
WebSlurp was featured in Open Source (68.6k followers) and GitHub (41.3k followers) on Product Hunt. Together, these topics include over 38.5k products, making this a competitive space to launch in.
Who hunted WebSlurp?
WebSlurp was hunted by Hangga Aji Sayekti. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Hangga Aji Sayekti
Hi Product Hunt! 👋
I'm excited to finally share **WebSlurp** with you.
I built WebSlurp because I wanted an API inspector that does more than just capture requests. During debugging and security testing, I kept switching between DevTools, curl, Postman, and various security tools just to inspect a single API call.
WebSlurp brings those workflows together.
✨ A few highlights:
* Capture XHR & Fetch requests in real time
* Edit and replay requests instantly
* Built-in OAuth 2.0, Bearer Token, and Basic Auth support
* Copy requests as cURL
* Save and restore request history locally
* Automatic security checks for headers, secrets, tokens, and sensitive data
One thing that's especially important to me: **everything runs locally in your browser.** Your captured requests aren't uploaded to any server, and no account is required.
This is only the first release, and I already have a long list of ideas for future updates.
I'd love to hear your feedback, feature requests, or workflows that you'd like WebSlurp to support. Thanks so much for checking it out! 🚀
WebSlurp is open source. If you find it useful, consider giving the project a ⭐ on GitHub. It really helps the project grow and reach more developers.