What is cURL? A Complete Guide to Commands & Testing
A complete, example-driven guide to cURL — what it is, the options you'll actually use, and how to import cURL commands into Requestly for visual API testing.

Requestly: API Testing, Mocking & Debugging Tool
Unlock seamless API testing, mocking, and debugging with Requestly—a must-have tool for developers to enhance productivity and streamline workflows.

All-in-One Alternative to Charles Proxy + Postman
All-in-one tool that replaces Charles Proxy and Postman with fast interception, API testing, mocking, and local-first debugging.

Developer’s Swiss Army Knife: Intercept, Mock & Test APIs
A unified, lightweight tool that replaces API mocking, interception, and testing—cutting context switching so developers stay in flow and ship faster.

Managing Security in API Testing: Complete Guide
Managing security during API testing is crucial. Learn the risks of cloud tools and why a local-first workflow like Requestly keeps your data safer.

How to Use the if() Function in CSS
Learn how to use the if() function in CSS to add conditional logic directly in your styles, enhancing flexibility without JavaScript.

How Lodash Can Simplify Your API Testing
Learn how to enhance your API testing in Requestly by importing Lodash and other libraries for effective data transformation and manipulation.

Endpoint ft. Kushagra Gour: A Builder's Philosophy on Craft and Empathy
Discover Kushagra Gour's philosophy on building empathetic software that blends craftsmanship with real-world needs in this insightful Endpoint interview.

How to Simulate Real User Journeys With Collection Runner
Simulate real user journeys with Requesty’s Collection Runner to ensure robust API testing and enhance user experience effortlessly.

Best Ways to Use Collection Runners for API Workflows
Unlock the best ways to use collection runners for API workflows to automate testing, enhance performance, and save valuable time!

Introducing Collection Runner - Requestly
Learn more about Requestly’s Collection Runner, tool to execute complete API workflows effortlessly. Automate, validate, and debug your APIs in one place.

Free HTTP Header Modification Tool in 2025
Discover the best free HTTP header modification tool in 2025. Easily add, remove, or override headers for debugging, testing, and development.

How to develop a SaaS Product? From Idea to Scale
Discover how to build a SaaS product from idea to scale. Learn about ideation, MVP, launch, PMF, and growth strategies with practical tips.

List of Top Local-First API Clients
Explore the top local-first API clients that prioritize offline development, data privacy, and seamless local testing

Best Privacy-Focused API Clients for Secure Development
Explore the best Privacy-Focused API Clients designed for secure, local-first development. Keep your data private with these reliable tools

Top 5 Open-Source API Clients in 2025
Struggling to choose the right Open-Source API Clients? Explore Requestly, Bruno, Insomnia, HTTPie, and Hopscotch, and find out why Requestly stands out.

Best Free API Client in 2025
Discover Requestly, the top free API client for 2025, enabling efficient API testing with powerful mocking, scripting, and team collaboration tools

Top 7 Free API Clients for 2025
Discover free API clients that simplify testing, debugging, and collaboration, helping you work smarter and faster

Our journey to finding Product-Market Fit
Requestly's evolution from a simple JS redirection tool to a powerful API mocking and testing platform used by 200,000+ developers

HTTP Interceptor Patterns for Secure API Communication
Learn how HTTP interceptor patterns like centralized, chain of responsibility, and conditional interceptors can strengthen your API security.

Top Firefox Extensions for HTTP Request Interception
Explore top 5 firefox extension for HTTP Request Interception and their Pros and cons.

Common API Development Challenges & How Mocking Helps
Unlock faster API development by overcoming common challenges with effective API mocking strategies for improved reliability and integration.

How to Speed Up Your Development Process using Mock API
Save time in software development by using mock API! This article explores how mock APIs streamline your workflow.

Charles Proxy Chrome Extension
Charles Proxy doesn't have a Chrome Extension, but there is a better alternative to Charles Proxy with a Chrome Extension as well as a desktop app.
How to Improve Debugging & Collaboration with Workspaces
Boost team collaboration with Requestly Workspaces! Share rules, file server, and session recordings to streamline debugging. Try Requestly Workspaces now!

How to Secure REST APIs: Design Principles & Best Practices
Learn how to secure your REST API with essential REST design principles and best practices. Protect your data and enhance API security effectively.
Best 20 Advance Chrome DevTools Debugging Tips
Master Chrome DevTools Network tab with these 20 advanced tips. Improve your debugging skills and optimize web performance. Read now!
How to add Auth0 authentication to React apps
Discover how to easily add Auth0 authentication to your React apps, ensuring secure logins and protected routes with this simple step-by-step guide.
How to fast-track QA software testing using Requestly
Explore how Requestly is revolutionizing QA software testing, uncover its efficiency and effectiveness in ensuring top-quality web applications

How to QA test your website - A step-by-step guide
Learn how to QA test your website with a structured approach. Follow this step-by-step guide to ensure functionality, security, and performance.

How Requestly Provides Exceptional Customer Support to Users
Requestly offers comprehensive customer support through Slack, Reddit, in-app chat, and RequestBot. Get quick answers and personalized assistance.

How to Download all Network Requests of a Website
Learn how to download and analyze network requests using HAR files and Requestly Sessions. Capture detailed logs for debugging and performance optimization

How to download console logs from a website
Learn how to download console logs in all major browsers: Chrome, Firefox, Safari, and Edge. Essential for web development and troubleshooting

How WhatsApp Secures Chats with End-to-End Encryption
Learn how WhatsApp uses E2EE to secure your chats, from message encryption to multi-device syncing. Explore the details!

What are API Headers and Body ?
Unlock API power in modern development: cURL, SEO with Requestly. Master seamless integration, data access, prototyping, API headers and body for top SEO

How to launch browsers in Requestly with custom arguments
Discover how to launch browsers in Requestly with custom arguments. step-by-step methods to configure custom arguments

How to override API request body in Google Chrome
To modify the request body you can either set the new body statically or also

How to Map HTTP Requests to Local Files Without CORS Issues
Using Requestly's Map Local feature you can serve any local file as the response to an intercepted request in real-time.

Boosting Developer Productivity with Requestly
Unlock developer productivity with Requestly: streamline debugging, enhance collaboration, and make web development easier and faster.

How to create an effective Jira bug report: A Comprehensive Tutorial
Learn how to write effective Jira bug reports that help developers fix issues faster. This tutorial covers all the essential details and best practices.

How to Inspect Network Traffic on Mac
By monitoring network traffic on mac, developers can uncover errors, missing data, or server-side problems, facilitating effective debugging.

How to Write a Perfect Bug Report
Learn how to write perfect bug reports that help developers fix issues faster. This guide covers essential elements and best practices.

Details QA should share during bug reporting for efficient resolution
Learn how QA teams can write effective bug reports with all the necessary details for efficient issue resolution.

Insights from Tanay Pratap on Career, Skills, and EdTech
Learn from Invact CEO Tanay Pratap's insights on career opportunities, frontend trends, productivity, AI, and EdTech. Listen to the podcast!

The Role of Bug Reporting in Software Testing: A Deep Dive
Learn why bug reporting is crucial for software quality. Discover best practices and how tools like Requestly can improve the process.

Top 5 open-source bug reporting tools for web developers
Explore the top 5 open-source bug tracking tools for web developers and learn how to enhance bug reporting with Requestly Sessions.

Unlocking User Behaviour Insights with Session Recording
Unlock user behaviour insights with session recording to enhance UX design, improve conversions, and drive strategic business growth effectively.

Reimagining how web developers debug issues
Discover how web developers can debug issues faster with innovative techniques like session replays, enhancing efficiency and collaboration.

What are Authorization Headers?
Learn about authorization headers, their importance in web security, and the different types used in modern web development.

How to generate HAR files in Chrome, Firefox & Safari?
Learn how to create HAR files using popular browsers (Chrome, Firefox, Safari) and Requestly for comprehensive website analysis.

Demystifying How Postman Web Works
Learn how Postman Web overcomes CORS limitations to send API requests. Explore its proxy server architecture and request handling mechanisms.

Top 5 Web Debugging Proxies for Beginners
Explore the top 5 web debugging proxies, including Charles Proxy, Mitmproxy, Wireshark, Burp Suite, and Requestly. Compare features, pricing, and support.

Open-source frontend development stack
Explore a complete open-source stack for frontend development, including frameworks, testing tools, debugging utilities, and deployment solutions.

What Are HTTP Headers? Types & Their Use Cases
Learn about the different types of HTTP headers, including security, authentication, caching, CORS, and more. Essential knowledge for web developers.

What are X-forwarded Headers, and why it is used?
Learn about X-Forwarded headers (X-Forwarded-For, X-Forwarded-Proto, etc.) and their importance in web development and security.

Build a Google Chrome Extension to Modify HTTP Headers
Learn to build a Chrome extension to modify HTTP headers using the DeclarativeNetRequest API. Step-by-step tutorial and code examples.

Introduction to WebPack & Top 5-features of Webpack
Unlock the power of Webpack with our guide highlighting its top 5 features that streamline JavaScript application bundling for developers.

Resource Override Chrome Extension Alternative
Discover the best alternative to Resource Override: Requestly, featuring seamless migration and advanced debugging tools for effortless browsing.

Chrome Developer Tools - Network Tab
Learn how to use the Chrome DevTools Network tab to analyze, test, and debug your web applications. Inspect network activity, timing, headers, and more.
What is a HAR file and How to analyze them?
Learn what HAR files are, what they contain, and how to analyze them for web debugging and performance analysis.
Life Cycle of a HTTP Request
HTTP requests are messages of communication between web API’s and their clients of computers. We discuss life cycle of a HTTP request in this article.

A Guide to Mock APIs & Roundup of Top 5 Tools (Free & Paid)
Discover Mock APIs, their benefits, use cases, and best practices. Comparing the top 5 free and paid Mock API tools to optimize your development workflow

5 Chat GPT Prompts That Every Frontend Developer Should Know
Learn how to leverage ChatGPT for frontend development. These 5 prompts will help you generate code, debug, test, and optimize your projects.

5 Ways to make App & Web Debugging extremely easy
Learn how Requestly can streamline your web development workflow with these 5 powerful features for testing and debugging.

Top 6 Developer Tools to Enhance Your Front-End Workflow
Streamline your front-end development with these 6 must-have tools. Improve coding, testing, and debugging efficiency.

Chrome Developer Tools: A Beginners Guide
Discover essential tips in this beginner's guide to Chrome Developer Tools, empowering you to enhance your web development skills effectively.

Postman vs Insomnia vs Hoppscotch vs Thunder Client
Finding the best API client can be difficult when there are 10s of tools with slightly different features, let's find which one is best for you.

GET vs POST vs PUSH HTTP Methods
HTTP has many features and benefits that help moderate the entirety of the World Wide Web. Wonder what makes it such a huge deal? Let's dive in.

Hoppscotch vs Postman vs Requestly: API Client Comparison
Compare Hoppscotch, Postman, and Requestly to find the best API client for seamless testing and improved efficiency in your development workflow.
How Postman Web handles CORS?
Learn how Postman Web handles CORS by routing requests through its own server. We also discuss a more secure alternative.

How to do selenium automation testing using requestly
When developing applications, we optimize for our home network but overlook unstable or low coverage scenarios, crucial for selenium automation testing.

How to do Unit Testing in NodeJS
Learn how to perform unit testing in Node.js, covering setup, frameworks (Jest, Mocha, Ava), mocking, stubbing, TDD, and best practices.

How to pin rules in Requestly
You can pin rules in Requestly and access them from anywhere using Chrome toolbar. You can toggle the status of pinned rules directly from the toolbar.

How to set up requestly on Firefox using WebExtensionAPI
Learn how to develop and run Requestly on Firefox with this comprehensive guide using Webextensions API Firefox. Step-by-step instructions for development

How to select the right HTTPs method
Learn how to select the right HTTP method for your web application to enhance performance and ensure optimal functionality with our easy-to-follow guidelines.

How to stress test React apps
Learn how to stress test React apps using Requestly. Simulate API latency, bad responses, and more to ensure performance and stability.

HTTP Headers That Every Web Developer Should Know
Learn about the most important HTTP headers every web developer should know, including security, performance, and caching headers.

How Backend Devs Can Save 1 Hour Daily in Local Dev
Learn how to use Requestly to supercharge your backend testing process. Test locally, mock APIs, and debug efficiently.

How to Self Host Mozilla Firefox Add-ons
Learn how to self-host Mozilla Firefox add-ons with our easy guide, ensuring quick access for users without the lengthy review process.

Share rules and collaborate with team mates!
Learn how to create and share Requestly rule lists. Simplify collaboration and ensure consistency across your team
Stop facebook from tracking you
Learn how to quickly and easily block Facebook tracking using Requestly. Step-by-step guide with clear instructions.

Why you should switch to Brave from Google Chrome
It's 2022 and the internet as a whole is changing faster than ever. Do you value your privacy and an open internet?

What is Ngrok and how does it work?
Let's explore and dive deep into the internal mechanism of Ngrok and understand how it helps developers and testers access the local web servers.

Best Y Combinator DevTools to Accelerate Dev & Testing
List of YC companies that provide devtools and help build better products
Comparing Charles Proxy, Fiddler, Wireshark, and Requestly
Learn how Requestly stacks up against other popular web debugging proxies. Explore its unique features and advantages.

Replace any Image on a Webpage with Requestly
Learn how to easily replace any image on a webpage using the Requestly Chrome extension. Perfect for testing new logos, designs, and more.