
Beeceptor
Hookdeck
RequestBin
ngrok
Request inspector
MockServer
Svix
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.

Greasemonkey
Tampermonkey
Greasy Fork
Userscripts
Database Script Tool
Script Manager – SManager
FireMonkey
Violentmonkey is a userscript manager to support running userscripts in web pages.

Which is more popular?
Based on our record, Webhook.site should be more popular than Violentmonkey. It has been mentioned 87 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | webhook.site | violentmonkey.github.io |
| Pricing | ||
| Platforms | — | |
| Company | 2016 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


With Webhook.site, you instantly get a unique, random URL and e-mail address that you can use to test and debug Webhooks, HTTP requests and emails, as well as to create your own workflows using the Custom Actions graphical editor or WebhookScript–a simple scripting language, to transform,...
No description of Violentmonkey yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Webhook.site is recommended for developers, QA testers, and any IT professionals who need to test or demonstrate webhooks and HTTP requests. It is particularly beneficial for those working with APIs, developing webhook integrations, or setting up automated notification systems.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Webhook.site Custom Actions Demo
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Webhook.site and Violentmonkey. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


To test any webhook without writing a receiver, paste a webhook.site URL in as the endpoint and submit once. It shows the exact body and headers that arrived, which also confirms your auth header is spelled the way your real endpoint... - Source: dev.to / 10 days ago
Consider a team that enabled autoApprove for a CI pipeline without scoping the bash allowlist. Their Claude Code instance was tasked with fixing a failing test. The agent read the test file, identified a missing environment variable, and... - Source: dev.to / 4 months ago
Webhook.site exists. Beeceptor exists. Ngrok exists in this space. - Source: dev.to / 6 months ago
- GPT 4o mini, so you can save your 4o calls for more complex queries https://github.com/altbdoor/userscripts/raw/master/force-gpt3.user.js. - Source: Hacker News / about 2 years ago
Since Tampermonkey seems to be misbehaving, consider using Violentmonkey. Source: almost 3 years ago
Step 1Install violentmonkey (or your favorite user script manager). Source: about 3 years ago
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Greasemonkey compatible script manager.
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RequestBin.com gives you a URL that collects requests you send to it so you can inspect them in a...
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