
Postman
Proxyman.io
Hoppscotch
ngrok
HTTP Toolkit
Fiddler
Warp
A Powerful API Mocking and Testing Tool
Extism
OpenCV
TensorFlow
CImg
OpenGL
PyTorch
MATLAB
Application and Data, Languages & Frameworks, and Language Extensions
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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OCL
OpenCL
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|---|---|---|
| Website | requestly.com | en.wikipedia.org |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 20 - 49 employees · 2021 | — |
| 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...
No description of OpenCL yet.
What each product offers, as listed by its team.

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
No analysis of OpenCL yet.
Walkthroughs and reviews on video.
Get Started with Requestly
More videos
Episode 1: What is OpenCL™?
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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 OpenCL.
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 OpenCL. 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...
We have no reviews of OpenCL yet. Be the first one to post
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 OpenCL since Mar 2021.
When comparing Requestly and OpenCL, you can also consider the following products.


Extism is the open source, universal plug-in system. Extend all the software everywhere! Powered by WebAssembly.
Compare Extism to Requestly or OpenCL:

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 OpenCL:



TensorFlow is an open-source machine learning framework designed and published by Google. It tracks data flow graphs over time. Nodes in the data flow graphs represent machine learning algorithms. Read more about TensorFlow.
Compare TensorFlow to Requestly or OpenCL: