
Webhook.site
CheckAPI
UpReport
Hook0
Sentry.io
WebhookWhisper
EmitHQ
Ship webhooks, not webhook infrastructure

Postman
Proxyman.io
Hoppscotch
ngrok
HTTP Toolkit
Fiddler
Charles Proxy
A Powerful API Mocking and Testing Tool

Which is more popular?
Based on our record, Requestly seems to be more popular. It has been mentioned 35 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | webhookstream.com | requestly.com |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from the United States · 20 - 49 employees · 2021 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Webhook Stream yet.
Requestly is a modern and powerful companion for API Development and Testing. It is an open-source tool purpose-built to speed up and simplify API development workflow for developers and QAs. It is a combination of API Client and HTTP Interceptor that helps create and share API Contracts, testing...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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Get Started with Requestly
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Webhook Stream and Requestly.
Requestly's answer:
Requestly's answer:
Front-end developers, QAs, PMs, Digital Marketers
Requestly's answer:
Requestly is an open-source API development and testing tool that combines the capabilities of an API Client and HTTP Interceptor, making it a better alternative to Postman + Charles Proxy. It simplifies API mocking, request modification, and debugging with an intuitive no-code interface, enabling developers and QAs to test APIs efficiently.
Share your experience with using Webhook Stream and Requestly. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Webhook Stream yet. Be the first one to post
On the pricing front, Requestly strikes a balance between affordability and functionality. It is an open-source tool, offering freemium to individual developers and affordable pricing plans for team collaboration. We...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Webhook Stream since Mar 2026.
If you want to try a local-first workflow, you can start using Requestly here: https://requestly.com. - Source: dev.to / 12 months ago
That’s where automation changes the game. By pairing Cursor, an AI-powered coding assistant, with Requestly's local-first API testing and mocking platform, you can offload the grunt work of writing tests to AI while keeping execution... - Source: dev.to / 12 months ago
Requestly is a versatile browser extension and web client used to intercept, mock, and debug APIs in real-time—perfect for frontend developers. - Source: dev.to / over 1 year ago
When comparing Webhook Stream and Requestly, you can also consider the following products.

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.
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The Collaboration Platform for API Development
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API monitoring that catches silent failures first
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Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
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Turn downtime into trust with AI‑powered status page
Compare UpReport to Webhook Stream or Requestly:
