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HTTP Header Live VS Requestly

Compare HTTP Header Live VS Requestly and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

HTTP Header Live logo HTTP Header Live

Displays the HTTP header. Edit it and send it.

Requestly logo Requestly

A Powerfulย API Mockingย andย Testingย Tool
  • HTTP Header Live Landing page
    Landing page //
    2023-08-17
  • Requestly Requestly
    Requestly //
    2025-02-12
  • Requestly Rest Client
    Rest Client //
    2025-02-12
  • Requestly HTTP Interceptor
    HTTP Interceptor //
    2025-02-12
  • Requestly API Mocking
    API Mocking //
    2025-02-12
  • Requestly Requestly
    Requestly //
    2025-02-12

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 APIs, and easily mock and integrate them into web and mobile apps.

HTTP Header Live

Website
github.com
Pricing URL
-
$ Details
-
Platforms
-
Release Date
-
Edit details

Requestly

Website
requestly.com
Pricing URL
Official Requestly Pricing
$ Details
freemium
Platforms
Google Chrome Firefox Edge Safari Brave Opera Vivaldi Android Windows Linux Mac OSX MacOS
Release Date
2021 January
Startup details
Country
United States
State
California
City
San Francisco
Founder(s)
Sachin Jain, Sagar Soni, Sahil Gupta
Employees
20 - 49
Edit details

HTTP Header Live features and specs

  • Real-time Monitoring
    HTTP Header Live provides an immediate view of HTTP headers for requests and responses, which is essential for debugging web applications in real-time.
  • User-Friendly Interface
    The extension offers an easy-to-use interface that displays headers clearly, making it accessible for both novice and experienced developers.
  • Addon Compatibility
    Compatible with popular browsers like Firefox, which makes it easy to integrate into existing web development workflows without the need for additional software.
  • Customizable Settings
    Users can tailor the extension settings according to their needs, allowing for a personalized experience in monitoring HTTP headers.
  • Free and Open Source
    As an open-source tool, it encourages community contributions and allows developers to inspect and modify the source code.

Possible disadvantages of HTTP Header Live

  • Limited Browser Support
    Primarily designed for use with Firefox, limiting its accessibility for developers using other browsers like Chrome or Safari.
  • Potential Performance Impact
    Running the extension in the background may slightly affect browser performance, especially on less powerful hardware.
  • Learning Curve
    While user-friendly, new users may still need time to learn how to effectively use all features of the extension.
  • Dependency on Browser Version
    The extensionโ€™s functionality may be affected by updates to the browser, requiring users to frequently check for updates or patches.

Requestly features and specs

  • 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 of Requestly

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.

HTTP Header Live videos

No HTTP Header Live videos yet. You could help us improve this page by suggesting one.

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Requestly videos

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Get Started with Requestly

More videos:

  • Demo - Session Replays by Requestly
  • Tutorial - Modify API Response using Requestly Chrome Extension
  • Tutorial - How to load local JS file in production sites for faster debugging (Map Local Tool)
  • Tutorial - Report Quality Bugs with Video, Network logs, Console logs & Environment details

Category Popularity

0-100% (relative to HTTP Header Live and Requestly)

HTTP Header Live

Requestly

Development
100 100%
Development
0% 0
Developer Tools
9 9%
Developer Tools
91% 91
SEO Tools
100 100%
SEO Tools
0% 0
Testing
0 0%
Testing
100% 100

Questions & Answers

As answered by people managing HTTP Header Live 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 HTTP Header Live and Requestly. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare HTTP Header Live and Requestly

HTTP Header Live Reviews

We have no reviews of HTTP Header Live yet.
Be the first one to post

Requestly Reviews

Comparing Charles Proxy, Fiddler, Wireshark, and Requestly
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 have also clearly differentiated how Requestly differs from Wireshark and other web debugging tools like Proxyman, Modheader, and HTTP ToolKit separately.
Source: dev.to

Social recommendations and mentions

Based on our record, Requestly seems to be more popular. It has been mentiond 35 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

HTTP Header Live mentions (0)

We have not tracked any mentions of HTTP Header Live yet. Tracking of HTTP Header Live recommendations started around Mar 2021.

Requestly mentions (35)

  • 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 / 7 months ago
  • How to use Cursor to Generate API Testcases in Requestly
    Thatโ€™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 secure and reproducible on your own system. In this article, weโ€™ll walk through how to set up Cursor with Requestly, generate test cases automatically, and run them end-to-end so that... - Source: dev.to / 8 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-timeโ€”perfect for frontend developers. - Source: dev.to / about 1 year ago
  • Best Tools for GraphQL Development in 2025
    Requestly is a powerful tool for modifying GraphQL responses, intercepting requests, and debugging API interactions. It allows developers to tweak request bodies, capture GraphQL traffic, and share sessions for easier debugging and collaboration. - Source: dev.to / over 1 year ago
  • How Not to Use AI in Software Development
    Learn more at https://requestly.com/. - Source: dev.to / over 1 year ago
View more

What are some alternatives?

When comparing HTTP Header Live and Requestly, you can also consider the following products

Sky Live HTTP Headers - Sky Live HTTP Headers is an open-source browser extension that visually displays HTTP requests and response headers from every website you visit.

Postman - The Collaboration Platform for API Development

Modify Header Value (HTTP Headers) - Modify Header Value (HTTP Headers) is a browser extension that allows you to add, modify or remove a header for any request to your preferred domains.

Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.

WebSniffer - WebSniffer is an online tool to outlook HTTP request and response headers.

Hoppscotch - Open source API development ecosystem

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