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

YieldStack
CBRE Group
Jones Lang LaSalle
Online platform for commercial real estate loans

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


As answered by people managing Requestly and StackSource.
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 StackSource. 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 StackSource 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 / 11 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 / 11 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 StackSource since May 2023.
When comparing Requestly and StackSource, you can also consider the following products.


AI-native commercial mortgage brokerage. One submission, lender matching, and human support through closing. No upfront fees.
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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 StackSource:

CBRE Group, Inc. is a holding company that conducts all of its operations through its indirect subsidiaries
Compare CBRE Group to Requestly or StackSource:

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

Jones Lang LaSalle, a financial and professional services firm, specializes in commercial real estate services and investment management.
Compare Jones Lang LaSalle to Requestly or StackSource: