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

Carbon
Ray.so
Codeimg.io
Snappify
kod.so
Codepng
KromaStudio.in
Awesome Image Generator for Code Snippets and Mockups

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 | requestly.com | karbonized.onrender.com |
| Pricing | ||
| Platforms | ||
| Company | Startup from the United States · 20 - 49 employees · 2021 | 2023 |
| Listed in |
In their own words, as submitted to SaaSHub.


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...
Unleash your creativity with Karbonized! 💫 Karbonized is a user-friendly app designed to help you create stunning visuals with ease. Our block-based system allows you to customize and arrange code snippets, text, images, QR codes, and more, giving you the freedom to bring your ideas to life. Key...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of Karbonized yet.
Walkthroughs and reviews on video.
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Requestly and Karbonized.
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 Requestly and Karbonized. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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...
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Recommendations tracked on public social media and blogs since March 2021.


If you want to try a local-first workflow, you can start using Requestly here: https://requestly.com. - Source: dev.to / 10 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 / 10 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
Tracking Karbonized since May 2023.
When comparing Requestly and Karbonized, you can also consider the following products.


Create and share beautiful images of your source code.
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Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Compare Proxyman.io to Requestly or Karbonized:


ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Compare ngrok to Requestly or Karbonized:

Create and share images of your source code
Compare Codeimg.io to Requestly or Karbonized: