
Beeceptor
Hookdeck
RequestBin
ngrok
Svix
Request inspector
MockServer
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.

SQL Fiddle
DB Fiddle
Online SQL Editor
Rextester
Online SQL playground for testing and sharing SQL snippets. SQLite, MySQL and PostgreSQL.
Which is more popular?
Based on our record, Webhook.site seems to be more popular. 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 | extendsclass.com |
| Pricing | — | |
| Platforms | — | |
| Company | 2016 | 2022 |
| 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,...
It is a SQL playground which allows to test SQL online. Run SQL queries for SQLite, MySQL and PostgreSQL databases. Share snippets.
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
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.
No analysis of ExtendsClass SQL Online yet.
Walkthroughs and reviews on video.
Webhook.site Custom Actions Demo
No ExtendsClass SQL Online videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Webhook.site and ExtendsClass SQL Online. 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 / 13 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
Tracking ExtendsClass SQL Online since Oct 2022.
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Free Online SQL Editor
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