HTTP Mock
Intercept, debug & mock HTTP(S) with zero setup
HTTP Mock launched on October 15, 2019 with 22 votes, #822 of 3,363 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 7 years on.
What it does
🔌 One-click setup for your browsers, servers & scripts 📝 Intercept, debug & rewrite any HTTP(S) 🤯 Override endpoints & mock whole services 💥 Inject errors, failed connections & timeouts 🧪 Breakpoint & edit to explore edge cases
Beautiful, cross-platform & open-source tools for debugging, testing and building with HTTP(S), on Windows, Linux & Mac.
On mobile? Send a link to your computer to download HTTP Toolkit there: On mobile? Send a link to your computer to download HTTP Toolkit there: HTTP Toolkit is an open-source tool for debugging, testing and building with HTTP on Windows, Linux & Mac. Capture HTTP(S) with zero hassle, with one-click interception for a huge range of tools and platforms. Precisely target interception, to capture traffic from a single client without the noise & disruption of intercepting your entire computer. Intercept individual Android or iOS apps, entire devices, Docker containers, browser windows, backend processes like Node.js, Java, Python or Ruby, terminal sessions... Alternatively, just connect any…from httptoolkit.com
Does a similar job
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HTTP Mock – Intercept, debug and mock HTTP(S) with zero setup2019 · httptoolkit.tech · ▲341Beautiful, cross-platform & open-source tools for debugging, testing and building with HTTP(S), on Windows, Linux & Mac.
- MOMockit – Open-source app to create and configure HTTP mocked endpoints2019 · mockit.netlify.com · ▲158
- IRIntercept.rest – Faster API debugging2018 · ▲89
Sharing an internal tool that accelerated my development work 10-fold, especially with API debugging. Thought fellow developers here might find it useful. As a developer, I often have trouble reproducing errors at the client end. https://intercept.rest lets me debug and monitor API requests and responses. It is similar to the Network tab in Chrome Developer Tools but works for any API: mobile apps, webhooks, frontend etc. After I shared it with a close circle of friends, they found it incredibly useful and even found new use cases, I never imagined. Been a long time lurker here and…

Mockoon – mock REST APIs in seconds2017 · mockoon.com · ▲68Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.
We’re open-sourcing Requestly - HTTP debugging proxy for Web and Mobile2023 · github.com · ▲54Hey HN! We’ve open-sourced Requestly (https://github.com/requestly/requestly) - A network debugging proxy for web & mobile apps. Requestly intercepts all HTTP(s) requests & responses and provides full control to developers to modify the request/response like rewriting request URL to hit different environment or returning different response for APIs/scripts. In addition to HTTP(s) interception & modification capabilities, Requestly also offers Mock Server [0] & recording the browser sessions [1] with video, console logs, & network logs stitched together. We use…
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