Requestly Blog | All things Debugging

The latest from Requestly

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April 2023 Product Updates

May 10, 2023

min read

As we dive into the month of May, it's time to look back at the significant product updates we made at Requestly throughout April. We have always been dedicated to improving our user experience and functionality, and this month we turned our focus on improving the usability of our desktop app. Let’s now dive into the updates.

What is Requestly?

June 1, 2023

min read

Learn about what Requestly is and its capabilities.

How to simulate API latency during development

June 1, 2023

min read

n the real world, network conditions are unpredictable and API latency can vary significantly. Latency refers to the delay in response time when making requests to an API, and it can greatly impact the user experience. Slow response times can lead to frustrated users, increased bounce rates, and even lost business opportunities.

What is CORS and Why do you need it?

May 29, 2023

min read

CORS stands for Cross-Origin Resource Sharing. It is a mechanism that allows resources to be requested from an application running on a different domain than the one from which they originated. In other words, it enables web pages to access data and resources from other domains.

Node.js Unit Testing for the Fearless Developer: A Comprehensive Guide

May 24, 2023

min read

Imagine you spent hours and hours developing a web application you have been planning to create for months. As you test your application, you find that it's defective. With your heart shattered, you examine and troubleshoot only to find that the whole setup malfunctioned for a tiny little error on a unit of the application, which will now require you to rework it in its entirety.

How to modify the response body of JS files

May 19, 2023

min read

JS is the backbone of all modern web apps. Every website we interact with is powered with javascript. For a developer, there might come an occasion where they want to make changes to the JS file without affecting the live website. The article will explain to you how to do that.

A Guide to Mock APIs & Roundup of Top 6 Tools (Free & Paid)

May 10, 2023

min read

What are Mock APIs Some Benefits of Mock APIs Usecases of Mock API Best practices to create a Mock API Top 6 tools: Pricing, advantages & limitations

How to select the right HTTPs method

May 8, 2023

min read

When building a web application or a RESTful API, choosing the right HTTP Method for the desired action is important. We compare all the methods & share their usecases.

Exploring different types of HTTPs methods

May 8, 2023

min read

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.

Beyond the Office Walls: Requestly's First Offsite and Hackathon

May 4, 2023

min read

Requestly's first Offsite and most awaited 48-hour Hackathon.

HTTP Headers That Every Web Developer Should Know

May 3, 2023

min read

HTTP headers play a vital role in the communication between your application and other web servers. They, in turn, help you control various behavior in your web application. Learn more about different HTTP headers that every web developer should know.

A Taste of Sequoia’s Surge Program

April 14, 2023

min read

Learn more about Sequoia's Surge program, what it offers to early-stage companies, and how founders can benefit from it. This post covers the Surge experience of Requestly founders.

What is Ngrok and how does it work?

April 11, 2023

min read

Localhost tunneling is no longer a daunting task today, thanks to Ngrok. 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.

March 2023 Product Updates

April 3, 2023

min read

I’m back with the new sets of updates we did in the month of March at Requestly. From a new AI response generator based on ChatGPT to improvements in session recording and support for GraphQL in the Modify Response rule, I’m excited to share some of the interesting things we did last month. So, let’s dive in!

Comparing The Best API Clients: Postman vs Hoppscotch vs Insomnia vs ThunderClient

March 27, 2023

min read

As a developer, you're no stranger to the challenges of working with APIs. Thankfully, HTTP REST API clients simplify the process by enabling you to send and receive HTTP requests to test and interact with APIs. At the same time, Postman has long been the go-to client for many developers. Lately, a lot of developers have expressed interest in finding other alternatives. This is because Postman seems a bit complex after the addition of a lot of new features recently.

February 2023 Product Updates

March 8, 2023

min read

In this edition of monthly updates, we bring you all the exciting updates we did last month at Requestly. From UI improvements to releasing new features, February was a very productive month for us.

Demystifying How Postman Web Works

March 1, 2023

min read

Postman is an exceptionally well-regarded REST API client that developers rely on to construct and evaluate their APIs. In this article, let's explore how Postman web works by using Chrome Devtools. We will be using Requestly - open source web debugging tool to create mock servers to test Postman web.

Requestly Jan'23 Product Updates

February 7, 2023

min read

In this edition of monthly updates, we bring you all the exciting updates we did last month at Requestly. From UI improvements to releasing new features, January was a very productive month for us.

Requestly Is Going Open-Source

February 1, 2023

min read

Requestly will be a complete open-source tool for web debugging. With this release, you can use the tool for free and even build on top of it.

Requestly Dec'22 Product Updates

January 11, 2023

min read

We bring you all the exciting updates we made in Dec '22 to improve your product experience.

Different Rule Types in Requestly

December 21, 2022

min read

Requestly bundles powerful tools to do a lot more with network requests than ever, such as Mocking API Responses, Modifying Headers, Redirecting URLs, Delay/Throttle requests, and much more. This article will explain the different rule types available in Requestly and the different use cases for each rule type.

Testing & Debugging Adobe Target Campaigns

December 12, 2022

min read

You can integrate Adobe Target on your site either by directly integrating Adobe Target JS snippet or through Adobe Launch (DTM aka satellite). This article focuses on testing & debugging of Adobe Target campaigns (included with Adobe Launch).

Chrome Developer Tools: A Beginners Guide

December 9, 2022

min read

The Google Chrome browser includes a suite of web developer tools called Chrome DevTools. For web developers, they can be incredibly useful. Learn more about them here.

Chrome Developer Tools - Network Tab

December 8, 2022

min read

Chrome Developer Tools (DevTools) is perhaps one of the most useful tools you’ll come across as a web developer. These tools allow developers to analyze, test, and debug software. In this article, we’ll be mainly focusing on the Network tab in DevTools.

Life Cycle of a HTTP Request

December 8, 2022

min read

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.

How to pin rules in Requestly

December 8, 2022

min read

You can pin your rules and access them without opening the app by clicking on the Requestly icon present on the Chrome toolbar. You can turn your pinned rules on or off directly from the toolbar.

Requestly Nov'22 Product Updates

December 7, 2022

min read

Hey Requestlian 👋, This is Sachin - Founder & CEO, Requestly. In this newsletter, I bring to you the latest product updates that we made in Nov'22.

The missing dev tools in Android Apps

December 5, 2022

min read

Requestly Android Debugger lets you have the power 💪 of Charles & Chucker together in your apps. It makes it super easy to debug APIs, Analytics events, Logs & report issues on Android Apps.

Inserting scripts dynamically in a webpage

November 25, 2022

min read

Requestly brings you one of the most powerful tool which may prove to be replacement for many browser extensions. Using "Insert Scripts" rule, you can make on-the-fly changes to a webpage content.

Prevent Marketers from Tracking you using Requestly

November 22, 2022

min read

Requestly has an easy interface that will allow you to quickly configure a rule that will strip all URLs with UTM parameters.

Mocking graphQL APIs response

November 22, 2022

min read

Graphql has completely changed the way APIs are used to fetch data. The simplicity and entity based architecture ensures support for complex querying

Requestly Rule Operators

November 21, 2022

min read

When you create a modification rule, you will find the following operators – Equals, Contains, Matches (Regex), Matches (Wildcard). In this article, we explain these operators and use cases.

YC DevTools companies that accelerate development, testing, or debugging

November 21, 2022

min read

List of YC companies that provide devtools and help build better products

Use DuckDuckGo Search in Chrome

November 21, 2022

min read

Often the Chrome browser on our computer is managed by our company and the default search engine cannot be changed. If you are conscious about your privacy and prefer a search engine that does not track you – then look no further than DuckDuckGo

UserAgent Modification Rule

November 21, 2022

min read

The User-Agent request header is most commonly used by servers to identify its client’s application type, operating system, software vendor or software version. Based on the User-Agent string, server selects suitable content to be sent in response. For instance, when a website is opened in a mobile device, it usually looks quite compact and different compared to the way it opens in desktop.

Requestly for Everyone!

November 21, 2022

min read

Wondering what Requestly has for you? Checkout this detailed article for all your questions!

Try out Convertflow on Netflix in less than 30 seconds!

November 21, 2022

min read

Trying out SaaS apps on a website is time and effort taking. Here is how Requestly comes to rescue!

Why you should switch to Brave from Google Chrome

November 21, 2022

min read

It's 2022 and the internet as a whole is changing faster than ever. Do you value your privacy and an open internet?

Try out Wisepops on eBay in less than 30 seconds!

November 21, 2022

min read

Trying out SaaS apps on a website is time and effort taking. Here is how Requestly comes to rescue!

Try out Popupsmart on Stackoverflow in less than 30 seconds!

November 21, 2022

min read

Trying out SaaS apps on a website is time and effort taking. Here is how Requestly comes to rescue!

Try out Beamer on Stackoverflow in less than 30 seconds!

November 21, 2022

min read

Trying out SaaS apps on a website is time and effort taking. Here is how Requestly comes to rescue!

Try out Crisp on Amazon in less than 30 seconds!

November 21, 2022

min read

Trying out SaaS apps on a website is time and effort taking. Here is how Requestly comes to rescue!

Share rules and collaborate with team mates!

November 21, 2022

min read

Requestly offers a ton of features which just make surfing the web a whole lot easier, be it for Web Designers, Product Marketers or even Developers in general. Definitely at some point, you would want to share the rules you would have created with your colleagues and other developers. We will show you how you can share a list of rules create by you, Let's dive right in!

Simulating 404 HTTP status code in Blinkit Search API

November 21, 2022

min read

Nobody wants to see errors in their API. But they appear at times when least expected. The possible scenarios when an error pops up could be something is wrong with the request or some problem with the API. Whatever may be the cause, one thing is sure traffic would stop.

Simulate Fake response status codes using Requestly

November 21, 2022

min read

This article will take you through how to use Requestly to simulate different API status codes and test your app

Stop facebook from tracking you

November 21, 2022

min read

Privacy is a myth in internet world but we must do whatever it takes to protect us from internet giants tracking us. In this article, we are going to help you setup a Requestly rule which you can use directly to stop Facebook from tracking you.

Simulating 500 HTTP status code in Create Tweet API on Twitter

November 21, 2022

min read

Your Resource Override Alternative is here!

November 21, 2022

min read

Resource Override is in maintenance mode so migrate to Requestly to test your applications and enjoy new features!

Self Host Mozilla Add-on

November 21, 2022

min read

Once you have developed a Mozilla addon, you will try to take the next step to distribute it to wider audience. There are two ways you can distribute your addon.

Requestly Library Service - Host your Files

November 21, 2022

min read

With the number of growing users, this is one of the most popular feature request we have received. There is no simple solution where you can host your JS, CSS files and refer them in your code. So, Requestly users faced problems when they wanted to redirect some script to script in local filesystem.

Replace any Image on a Webpage with Requestly

November 21, 2022

min read

Have you ever wondered how your new logo will look like on the production version of your page? Would you like to see that beautiful new logo in context?

Requestly on Stack Overflow

November 21, 2022

min read

Find how Developers and QAs use Requestly to solve their problems

Remote Debugging with Requestly on Production sites

November 21, 2022

min read

Easily debug remote scripts without managing proxies. Use Requestly redirect Rule to swap out remote files with a locally served dev version.

Replace Adobe Launch Production Script to Development Script

November 21, 2022

min read

Adobe Launch is a next-generation tag management system that unifies the client-side marketing ecosystem by empowering developers to build integrations on a robust, extensible platform that partners, clients, and the broader industry can build on and contribute to.

Requestly Oct’22 Updates

November 21, 2022

min read

Requestly Oct'22 Monthly Updates

Requestly July’22 Updates

November 21, 2022

min read

Record & Replay browser sessions, Analytics Debugger for Android, Improved Modify Headers experience and a lot more!

Requestly Sep’22 Updates

November 21, 2022

min read

Unblock frontend developers when APIs are not ready

How to modify Headers in HTTP(s) Requests and Responses in Chrome, Firefox & Safari using Requestly

November 21, 2022

min read

The ability to modify headers is a great tool for developers. It empowers them with great debugging capabilities.

How backend devs can save an hour a day in local development & testing

November 21, 2022

min read

In my previous organisation grofers, where I worked as a backend engineer, during development of any feature or even a small bug fix, we used to first develop & test the changes on the locally setup MicroService.

How Requestly empowers developers & QAs in AdTech Industry

November 21, 2022

min read

Most Tech giants rely on Ads as their primary business model. See how Requestly powers devs & QAs!

Learn & bypass Content Security Policy HTTP Response Header

November 21, 2022

min read

Bypass CSP header to speed up your testing

Install Requestly in Chrome and Firefox

November 21, 2022

min read

This post covers installation guide for installing Requestly in Chrome and Firefox

How to load local JS files on live Production sites

November 21, 2022

min read

Useful in debugging JS production bugs or testing local changes before shipping code to production.

How to Open a Website in iframe using Requestly

November 21, 2022

min read

Often companies add a header to their website so that the browser will refuse to open the page within an i-frame. But using a Chrome extension like Requestly, you can implement a work-around

How to block web domains using Requestly

November 21, 2022

min read

Very often we open a particular article on a particular domain but due to the hundreds of embedded widgets that page actually makes a lot of requests to various domains making everything slow...

How to run requestly on Firefox for development purposes

November 21, 2022

min read

Requestly development team use WebExtension APIs to build cross platform browser extension. This article is mainly intended for requestly development team to run the requestly source code on firefox

Link & Execute JS hosted on Github

November 21, 2022

min read

Github is a well known online project hosting service. Users checkin their scripts, stylesheets and other file types as part of their project. Sometimes, We need to refer the scripts present on github in any other project

How to embed iframes by bypassing X-Frame-Options and frame-ancestors directive

November 21, 2022

min read

There are two methods to bypass iframe blocking: By removing X-frame options and adding the frame-ancestor directive to the Content-security policy.

5 Ways to make App & Web Debugging extremely easy

November 21, 2022

min read

So you're developing an app or a website and there's that dreaded debugging that you fear is going to be a time sink, stealing your focus away from development and forcing you to spend time fixing bugs, issues and testing.

Automate Testing via Selenium

November 21, 2022

min read

While developing applications, we experience performance based on our home network and we optimize the performance with our network in reference. We fail to consider performance optimizations for situations where there could be an unstable network or low network coverage

Debugging Next.js App in Production

November 21, 2022

min read

Next.js is an open-source development framework built on top of node.js enabling React-based web applications functionalities such as server-side rendering and generating static websites

Adding Delay to Network Requests

November 21, 2022

min read

As a frontend developer or QA, Testing certain parts of web applications require you to simulate delay in one or more components of the web app. Here are some scenarios where you would like to delay the network requests.

A Taste of Sequoia’s Surge Program

April 14, 2023

min read

Learn more about Sequoia's Surge program, what it offers to early-stage companies, and how founders can benefit from it. This post covers the Surge experience of Requestly founders.

Why you should switch to Brave from Google Chrome

November 21, 2022

min read

It's 2022 and the internet as a whole is changing faster than ever. Do you value your privacy and an open internet?

Your Resource Override Alternative is here!

November 21, 2022

min read

Resource Override is in maintenance mode so migrate to Requestly to test your applications and enjoy new features!

Requestly Library Service - Host your Files

November 21, 2022

min read

What is Requestly?

June 1, 2023

min read

Learn about what Requestly is and its capabilities.

April 2023 Product Updates

May 10, 2023

min read

March 2023 Product Updates

April 3, 2023

min read

Comparing The Best API Clients: Postman vs Hoppscotch vs Insomnia vs ThunderClient

March 27, 2023

min read

February 2023 Product Updates

March 8, 2023

min read

In this edition of monthly updates, we bring you all the exciting updates we did last month at Requestly. From UI improvements to releasing new features, February was a very productive month for us.

Requestly Jan'23 Product Updates

February 7, 2023

min read

In this edition of monthly updates, we bring you all the exciting updates we did last month at Requestly. From UI improvements to releasing new features, January was a very productive month for us.

Requestly Is Going Open-Source

February 1, 2023

min read

Requestly will be a complete open-source tool for web debugging. With this release, you can use the tool for free and even build on top of it.

Requestly Dec'22 Product Updates

January 11, 2023

min read

We bring you all the exciting updates we made in Dec '22 to improve your product experience.

Requestly Nov'22 Product Updates

December 7, 2022

min read

Hey Requestlian 👋, This is Sachin - Founder & CEO, Requestly. In this newsletter, I bring to you the latest product updates that we made in Nov'22.

Requestly Oct’22 Updates

November 21, 2022

min read

Requestly Oct'22 Monthly Updates

Requestly July’22 Updates

November 21, 2022

min read

Record & Replay browser sessions, Analytics Debugger for Android, Improved Modify Headers experience and a lot more!

Requestly Sep’22 Updates

November 21, 2022

min read

Unblock frontend developers when APIs are not ready

Different Rule Types in Requestly

December 21, 2022

min read

How to pin rules in Requestly

December 8, 2022

min read

You can pin your rules and access them without opening the app by clicking on the Requestly icon present on the Chrome toolbar. You can turn your pinned rules on or off directly from the toolbar.

Share rules and collaborate with team mates!

November 21, 2022

min read

Self Host Mozilla Add-on

November 21, 2022

min read

Once you have developed a Mozilla addon, you will try to take the next step to distribute it to wider audience. There are two ways you can distribute your addon.

Testing & Debugging Adobe Target Campaigns

December 12, 2022

min read

Inserting scripts dynamically in a webpage

November 25, 2022

min read

Requestly brings you one of the most powerful tool which may prove to be replacement for many browser extensions. Using "Insert Scripts" rule, you can make on-the-fly changes to a webpage content.

Prevent Marketers from Tracking you using Requestly

November 22, 2022

min read

Requestly has an easy interface that will allow you to quickly configure a rule that will strip all URLs with UTM parameters.

Mocking graphQL APIs response

November 22, 2022

min read

Graphql has completely changed the way APIs are used to fetch data. The simplicity and entity based architecture ensures support for complex querying

Requestly Rule Operators

November 21, 2022

min read

When you create a modification rule, you will find the following operators – Equals, Contains, Matches (Regex), Matches (Wildcard). In this article, we explain these operators and use cases.

YC DevTools companies that accelerate development, testing, or debugging

November 21, 2022

min read

List of YC companies that provide devtools and help build better products

Use DuckDuckGo Search in Chrome

November 21, 2022

min read

UserAgent Modification Rule

November 21, 2022

min read

Requestly for Everyone!

November 21, 2022

min read

Wondering what Requestly has for you? Checkout this detailed article for all your questions!

Try out Convertflow on Netflix in less than 30 seconds!

November 21, 2022

min read

Trying out SaaS apps on a website is time and effort taking. Here is how Requestly comes to rescue!

Try out Wisepops on eBay in less than 30 seconds!

November 21, 2022

min read

Trying out SaaS apps on a website is time and effort taking. Here is how Requestly comes to rescue!

Try out Popupsmart on Stackoverflow in less than 30 seconds!

November 21, 2022

min read

Trying out SaaS apps on a website is time and effort taking. Here is how Requestly comes to rescue!

Try out Beamer on Stackoverflow in less than 30 seconds!

November 21, 2022

min read

Trying out SaaS apps on a website is time and effort taking. Here is how Requestly comes to rescue!

Try out Crisp on Amazon in less than 30 seconds!

November 21, 2022

min read

Trying out SaaS apps on a website is time and effort taking. Here is how Requestly comes to rescue!

Simulating 404 HTTP status code in Blinkit Search API

November 21, 2022

min read

Simulate Fake response status codes using Requestly

November 21, 2022

min read

This article will take you through how to use Requestly to simulate different API status codes and test your app

Stop facebook from tracking you

November 21, 2022

min read

Simulating 500 HTTP status code in Create Tweet API on Twitter

November 21, 2022

min read

Replace any Image on a Webpage with Requestly

November 21, 2022

min read

Have you ever wondered how your new logo will look like on the production version of your page? Would you like to see that beautiful new logo in context?

Requestly on Stack Overflow

November 21, 2022

min read

Find how Developers and QAs use Requestly to solve their problems

Remote Debugging with Requestly on Production sites

November 21, 2022

min read

Easily debug remote scripts without managing proxies. Use Requestly redirect Rule to swap out remote files with a locally served dev version.

Replace Adobe Launch Production Script to Development Script

November 21, 2022

min read

How to modify Headers in HTTP(s) Requests and Responses in Chrome, Firefox & Safari using Requestly

November 21, 2022

min read

The ability to modify headers is a great tool for developers. It empowers them with great debugging capabilities.

How backend devs can save an hour a day in local development & testing

November 21, 2022

min read

How Requestly empowers developers & QAs in AdTech Industry

November 21, 2022

min read

Most Tech giants rely on Ads as their primary business model. See how Requestly powers devs & QAs!

Learn & bypass Content Security Policy HTTP Response Header

November 21, 2022

min read

Bypass CSP header to speed up your testing

Install Requestly in Chrome and Firefox

November 21, 2022

min read

This post covers installation guide for installing Requestly in Chrome and Firefox

How to load local JS files on live Production sites

November 21, 2022

min read

Useful in debugging JS production bugs or testing local changes before shipping code to production.

How to Open a Website in iframe using Requestly

November 21, 2022

min read

Often companies add a header to their website so that the browser will refuse to open the page within an i-frame. But using a Chrome extension like Requestly, you can implement a work-around

How to block web domains using Requestly

November 21, 2022

min read

Very often we open a particular article on a particular domain but due to the hundreds of embedded widgets that page actually makes a lot of requests to various domains making everything slow...

How to run requestly on Firefox for development purposes

November 21, 2022

min read

Requestly development team use WebExtension APIs to build cross platform browser extension. This article is mainly intended for requestly development team to run the requestly source code on firefox

Link & Execute JS hosted on Github

November 21, 2022

min read

How to embed iframes by bypassing X-Frame-Options and frame-ancestors directive

November 21, 2022

min read

There are two methods to bypass iframe blocking: By removing X-frame options and adding the frame-ancestor directive to the Content-security policy.

5 Ways to make App & Web Debugging extremely easy

November 21, 2022

min read

Automate Testing via Selenium

November 21, 2022

min read

Debugging Next.js App in Production

November 21, 2022

min read

Next.js is an open-source development framework built on top of node.js enabling React-based web applications functionalities such as server-side rendering and generating static websites

Adding Delay to Network Requests

November 21, 2022

min read

The missing dev tools in Android Apps

December 5, 2022

min read

Requestly Android Debugger lets you have the power 💪 of Charles & Chucker together in your apps. It makes it super easy to debug APIs, Analytics events, Logs & report issues on Android Apps.

How to simulate API latency during development

June 1, 2023

min read

What is CORS and Why do you need it?

May 29, 2023

min read

Node.js Unit Testing for the Fearless Developer: A Comprehensive Guide

May 24, 2023

min read

How to modify the response body of JS files

May 19, 2023

min read

A Guide to Mock APIs & Roundup of Top 6 Tools (Free & Paid)

May 10, 2023

min read

What are Mock APIs Some Benefits of Mock APIs Usecases of Mock API Best practices to create a Mock API Top 6 tools: Pricing, advantages & limitations

How to select the right HTTPs method

May 8, 2023

min read

When building a web application or a RESTful API, choosing the right HTTP Method for the desired action is important. We compare all the methods & share their usecases.

Exploring different types of HTTPs methods

May 8, 2023

min read

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.

HTTP Headers That Every Web Developer Should Know

May 3, 2023

min read

What is Ngrok and how does it work?

April 11, 2023

min read

Demystifying How Postman Web Works

March 1, 2023

min read

Chrome Developer Tools: A Beginners Guide

December 9, 2022

min read

The Google Chrome browser includes a suite of web developer tools called Chrome DevTools. For web developers, they can be incredibly useful. Learn more about them here.

Chrome Developer Tools - Network Tab

December 8, 2022

min read

Life Cycle of a HTTP Request

December 8, 2022

min read

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.