How to Add an Authorization Header in Chrome, Firefox & Safari
Using the Requestly Chrome extension, you can add authorization headers to every request in Chrome, Firefox, & Safari.
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 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.
Modify API Request Body in Chrome, Firefox, Android & iOS
Learn how to modify API request bodies on-the-fly using Requestly. Test edge cases, add data, and change GraphQL queries without code changes.
How to simulate HTTP status code?
Learn how to simulate different HTTP status codes for testing your web application's error handling. Use Requestly to easily modify responses.
How to modify the response body of JS files
Learn how to modify the response body of JS files effortlessly with Requestly, ensuring safe testing without disrupting your live site.
How to modify the response body of HTTP requests?
Learn how to modify HTTP response bodies on-the-fly using Requestly. Test APIs, simulate different scenarios, and debug faster without server changes
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