Opal.so VS Requestly

Compare Opal.so VS Requestly and see what are their differences

No screenshot yet

Rating: 0 reviews

Rating: 0 reviews
Pricing: Open source Freemium Free trial

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Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Requestly seems to be more popular. It has been mentioned 35 times since March 2021.

social mentions: 0 vs 35
Productivity popularity: 100% vs 0%
alternatives listed: 128 vs 240+

Base details

Website, pricing, platforms and company facts side by side.

	Opal.so	Requestly
Website	opal.so	requestly.com
Pricing	Official pricing	Open source Freemium Free trial Official pricing
Platforms	—	Google Chrome Firefox Edge Safari Brave Opera Vivaldi Android Windows Linux Mac OSX MacOS +9
Company	—	Startup from the United States · 20 - 49 employees · 2021
Listed in	Focus Productivity Time Tracking Time Management +1	Testing Localhost Tools Developer Tools Debugger Open Source API Clients +3

About Opal.so and Requestly

In their own words, as submitted to SaaSHub.

Opal.so

Requestly

No description of Opal.so 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...

Features and specs

What each product offers, as listed by its team.

Opal.so 0 features

Requestly 15 features

No features have been listed yet.

Redirect URL
Block Network Requests
Modify Request & Response Header
Modify Response
Supercharge Selenium
Session Replay
Modify Query Params
Team Workspace
API Client
API Mocks
GraphQL Support
Zero Setup
Auto Capture Sessions
Network Logs
Console Logs

Analysis

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

Opal.so

Requestly

No analysis of Opal.so yet.

Overall verdict

Requestly is generally regarded as a good tool due to its comprehensive functionalities and ease of use. Its ability to seamlessly manage network requests makes it suitable for both beginners and experienced developers.

Why this product is good

Requestly is widely considered a valuable tool because it offers robust and flexible features for intercepting and modifying network requests. Developers and QA testers appreciate it for its ability to simulate and debug API calls efficiently. It is particularly useful for testing changes without altering the codebase and for working with web applications in development and production environments.

Recommended for

Developers looking to debug and test API endpoints.
Quality Assurance (QA) teams that require reliable testing tools for web applications.
Technical professionals who manage network traffic and need to modify or redirect requests effortlessly.
Anyone involved in web development who needs to simulate network conditions or test application behavior under different scenarios.

Videos

Walkthroughs and reviews on video.

Opal.so 0 videos + Add

Requestly 5 videos + Add

No Opal.so videos yet. You could help us improve this page by suggesting one.

Get Started with Requestly

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100

Opal.so

Requestly

100% 100%

Productivity

0% 0%

Developer Tools

100% 100%

Focus

0% 0%

Testing

100% 100%

Questions & Answers

As answered by people managing Opal.so and Requestly.

Who are some of the biggest customers of your product?

Requestly's answer:

Verizon
AT&T
Adobe
Salesforce
Telegraph
Intuit
Verizon

How would you describe the primary audience of your product?

Requestly's answer:

Front-end developers, QAs, PMs, Digital Marketers

What makes your product unique?

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.

User comments

Share your experience with using Opal.so and Requestly. For example, how are they different and which one is better?

Reviews and articles

External articles and on-site reviews we used to compare the two products.

Opal.so no reviews yet

Requestly no reviews yet

We have no reviews of Opal.so yet. Be the first one to post

Comparing Charles Proxy, Fiddler, Wireshark, and Requestly
dev.to · Aug 2019

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...

Social recommendations and mentions

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

Opal.so 0 mentions

Requestly 35 mentions

Tracking Opal.so since May 2025.

Why You Need a Local-First API Client (With Hands-On Example)
If you want to try a local-first workflow, you can start using Requestly here: https://requestly.com. - Source: dev.to / 10 months ago
How to use Cursor to Generate API Testcases in Requestly
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
These 20 Awesome API Clients Will Change How You Work with APIs
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

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When comparing Opal.so and Requestly, you can also consider the following products.

one sec
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Cold Turkey
Cold Turkey is a free productivity program that you can use to temporarily block distractions so that you can get your work done!

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ngrok
ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.

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