BuiltWith
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A great tool to help you discover the technology being used by a variety of websites. I was impressed that upon signing up that I had full access to a free list of leads.
Based on our record, BuiltWith seems to be a lot more popular than RequestBin. While we know about 162 links to BuiltWith, we've tracked only 14 mentions of RequestBin. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Evan You, creator of Vue.js, is a prime example. Vivek Nair, Co-Founder of BotGauge, notes that You โcreated something that addresses real developer needs with clean logic and thoughtful design.โ Vue.js powers over 1.5 million websites in 2025, a testament to its scalability and developer trust, as reported by BuiltWith. Youโs ability to build a framework independently, without corporate backing, underscores his... - Source: dev.to / about 1 year ago
There exist websites like https://builtwith.com so answer to your question is yes. - Source: Hacker News / over 1 year ago
BuiltWith says the web client is NextJS which is interesting as ChatGPT made a big switch away to Remix IIRC. https://builtwith.com/?https%3a%2f%2fclaude.ai%2fnew. - Source: Hacker News / almost 2 years ago
Also, wow that is an obsene amount of libraries they use: https://builtwith.com/?https%3a%2f%2fspectrum.ieee.org%2fdisney-robot-2668135204. - Source: Hacker News / over 2 years ago
I would say run both sites through https://builtwith.com/ to get what all they used in the building process. Source: over 2 years ago
Visit Mockbin.io, Beeceptor or RequestBin and click "Create endpoint." These platforms instantly generate a unique URL that captures incoming HTTP requests. Copy the provided URL, something like https://your-webhook-endpoint.com/hook. - Source: dev.to / 12 months ago
That's a fun example, because ChatGPT doesn't actually have the ability to fetch the contents of a URL. So it produced that summary (and the lyrics) entirely based on guessing the content of that URL! You can prove this to yourself by pasting in a URL to a site you own and watching the web server logs, or by using something like https://requestbin.com/. - Source: Hacker News / over 3 years ago
RequestBin.com โ Create a free endpoint to which you can send HTTP requests. Any HTTP requests sent to that endpoint will be recorded with the associated payload and headers so you can observe requests from webhooks and other services. - Source: dev.to / almost 4 years ago
But that said, if all your want to do is receive the hook and look at it, you can set it up using https://requestbin.com/ which will allow you to do exactly that. Source: about 4 years ago
Visit Request bin and create a new bin. Once created, copy the bin URL and paste it into the webhook field. - Source: dev.to / about 4 years ago
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Webhook.site - Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.
WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.
Beeceptor - Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
Request inspector - Debug web hooks, http clients
