The Requestly blog
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Sharing Variables Across Workspaces in Requestly
Easily share values across workspaces with Requestly Runtime Variables. Create, persist, and override variables to speed up testing and collaboration.

Beginner’s Guide to Handling Web Table in Selenium
Learn how to work with web tables in Selenium by locating rows and cells, extracting values, handling dynamic content, and managing nested structures.

The Complete Accessibility Testing Checklist for QA Teams
Explore a complete accessibility QA checklist with tools, standards, and best practices to ensure inclusive, compliant digital products.

How to Use ARIA roles
Learn how to implement, test, and validate ARIA roles for dynamic content and compliance with WAI-ARIA standards.

What is a REST API Tool? Complete Guide for 2025
Explore the 5 best REST API tools in 2025, including Requestly, Postman, Apache JMeter, Karate DSL, and Rest Assured, with key features, pros, and cons.

Chunked Transfer Encoding Explained
Understand chunked encoding in HTTP and how to debug it in real time using Requestly to inspect, modify, and test streamed responses.

Swagger-Based Mock Server: A Beginner’s Tutorial
Learn how Swagger-based mock servers simulate APIs, handle dynamic responses, test error scenarios, and improve development workflows.

Understanding HTTP Message Body for Robust API Testing
Unlock the secrets of the HTTP message body to elevate your API testing with essential insights on structure, usage, and best practices for accurate results.

Understanding HTTP Versions for API Testing and Debugging
A complete guide to understanding HTTP versions, their core features, and key issues testers must validate to ensure API reliability and performance.

API Simulation: Definition, Benefits, and Use Cases
Learn what API simulation is and how it differs from mocking and stubbing. See when to use it, where it fits in QA workflows, and the mistakes to avoid.

What is API Stubbing: Benefits, Use Cases, and How It Works
Learn what API stubbing is, how it works, and when to use it. Also, explore strategies, real-world use cases, and examples.

What is API Virtualization: A Complete Guide for QAs
Learn what API virtualization is, how it works, when to use it, and how it compares to mocks, stubs, and fakes with real examples and use cases.

What is HTTP: Methods, Headers, and How It Works
Learn what HTTP is, how it works, key methods, and headers. Also, explore how HTTP supports APIs, security, and debugging in real-world development.

WireMock vs MockServer: Pros, Cons, and Key Differences
WireMock vs MockServer comparison: Explore key features, pros, cons, and find out which API mocking tool best fits your development needs.

ADA vs 508 vs WCAG
Understand the key differences between ADA, Section 508, and WCAG standards, and learn how to achieve web accessibility compliance

Charles Proxy
Explore how Charles Proxy works and why Requestly is a faster, modern alternative for real-time traffic debugging and API testing.

REST API Headers: Types, Examples, and Best Practices
Explore REST API headers with types, examples, and best practices to improve API communication, testing accuracy, and reliability.

I Used Every API Client So You Don't Have To
I tested Postman, Insomnia, Bruno, and Requestly head-to-head across real-world scenarios. By the end of this post, you'll know exactly which one fits you.

How to Intercept & Modify GraphQL Requests with Requestly
Learn how to intercept and modify GraphQL requests with Requestly to streamline your development process in this easy-to-follow guide.

Header Modification in Automation Using Requestly
Learn how to modify headers in automation to handle auth, geolocation, and bot detection, using Requestly for cross-browser support.

4 Years On: Requestly Boosts OpenWeb QA
OpenWeb boosts QA efficiency with Requestly Workspaces—enabling safe, fast testing across clusters, bundles, and environments without code changes.

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 Change Your IP Address Using Requestly
Learn how to change your IP address using Requestly with our easy guide, perfect for developers needing to simulate geolocation or test app performance.

Using Requestly to Toggle Feature Flags
Learn how to test feature flags easily with Requestly by modifying headers and cookies, no backend changes needed for faster, safer releases.

Using Requestly for Localization Testing
Test localization effortlessly with Requestly by simulating regions using headers, no backend changes needed.

Using Requestly for HTTP authorization
Unlock seamless HTTP authorization testing with Requestly to enhance your QA workflow and streamline security checks effortlessly.

How Embeddables Cut Release Time with Requestly
How Embeddables cuts developer testing cycles from days to minutes by integrating Requestly into its workflow

Requestly joins BrowserStack to build the future of application testing
Requestly's partnership with BrowserStack revolutionizes application testing, enhancing developer efficiency with advanced tools and cloud infrastructure.

How to use Safari to Send requests to local APIs
Requestly’s Safari extension lets you test local APIs without proxies. Learn how it compares to other API clients and improves your development process

10 must-have backend development tools
Explore the best backend development tools in 2025. Discover essential tools like Nitric, Prisma, Appwrite, and more to streamline your backend workflow.