
Ray.so
Snappify
Karbonized
Codeimg.io
DevDocs
regular expressions 101
Excalidraw
Create and share beautiful images of your source code.

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

Which is more popular?
Based on our record, Carbon should be more popular than Requestly. It has been mentioned 175 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | carbon.now.sh | requestly.com |
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| Platforms | — | |
| Company | — | Startup from the United States · 20 - 49 employees · 2021 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Carbon 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.
Adidas YEEZY 350 V2 Carbon REVIEW & GIVEAWAY
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Carbon 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 Carbon 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 Carbon 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.


Carbon and Ray.so overlap in purpose but have different strengths. Carbon gives you more control over fonts and padding — better for documentation screenshots where precise readability matters more than visual flair. When I'm writing a... - Source: dev.to / 6 months ago
Then I tried the free classics - Ray.so and Carbon.now.sh. - Source: dev.to / 7 months ago
Similar to Ray.so, but with more customization for code snippets. 🔗 https://carbon.now.sh. - Source: dev.to / about 1 year ago
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
When comparing Carbon and Requestly, you can also consider the following products.



snappify is a great tool to create and adjust beautiful code snippets easily.
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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 Carbon or Requestly:

Awesome Image Generator for Code Snippets and Mockups
Compare Karbonized to Carbon or Requestly:

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