Product
API Client

A lightweight and secure API Client for faster API Development & Testing

HTTP Interceptor

A Powerful HTTP Interceptor to Intercept, Record, Debug & Modify HTTP Requests

API Mocking

Build frontend faster without waiting for backend.

Use Case
Frontend Web/Mobile Developers

Requestly improves front-end workflows with local JS testing, mocking, and SessionBook debugging.

For QA engineers

QA engineers love Requestly for its features and ease of use, allowing easy edge case testing.

Support Engineer

Support engineers value Requestly for debugging, demoing, and overriding GTM and Adobe scripts.

Backend Developers

Requestly helps in improving back-end development workflows, by enabling testing.

Requestly vs Postman
Resources
Pricing
Blog
Case Studies
Status
Github
Release Note
Student Programme

📣 Requestly API Client – Free Forever & Open Source. A powerful alternative to Postman. Try now ->

Insights
Product Updates
Use Cases
Announcements
Case Studies

Blog

Requestly blog

Explore easy to follow tutorials, real-world case studies, and behind the scenes insights into the features we build and the developers who bring them to life.

Requestly security and compliance

Announcing Requestly’s SOC 2 Type II Compliance Certification

Requestly is now SOC 2 Type II certified, ensuring enhanced data security and trust for our users. Learn more about our commitment to data protection.
Sachin Jain
September 26, 2024

Featured posts

Announcing No-Bug November: Get Paid to Squash Bugs & Land a 2026 Internship!
Join No-Bug November — a month-long bug bash to make Requestly faster and more stable. Fix bugs, earn bounties, win swags, and even land internships!
Akanksha Bhadauria
November 10, 2025
That’s a Wrap on Hacktoberfest 2025: Our Success Story
Requestly’s first Hacktoberfest was a huge success! 🎉 15 new contributors, 28 total contributions, and an incredible mix of code & no-code creativity.
Akanksha Bhadauria
November 5, 2025
AB Tasty scales testing and demos with Requestly
AB Tasty accelerates testing and demos with Requestly—switching environments, injecting scripts, and personalizing sites in seconds.
Akanksha Bhadauria
October 16, 2025

All posts

Mocking APIs Locally: A Complete Guide to Client-Side HTTP Interception
Client-side HTTP interception lets you mock APIs directly in the browser—no servers or env hacks. Requestly keeps mocks realistic, reversible, and fast.
Yashwanth Sai
December 22, 2025
Testing in Production Made Safe: A Guide to HTTP Request Interception
Testing in production is already happening. HTTP request interception with Requestly makes it safe, controlled, and reversible—without touching real users.
Yashwanth Sai
December 22, 2025
parallel test execution in testng with selenium
Parallel Test Execution in TestNG with Selenium
Learn how to perform parallel test execution in TestNG with Selenium, from setup and DataProviders to cross-browser testing and performance.
Azma Banu
December 19, 2025
what does ada stand for
What Does ADA Stand For?
Learn what ADA stands for, why it’s essential for digital accessibility, and how to achieve compliance using WCAG standards and real device testing.
Asmita Bhattacharya
December 19, 2025
wcag testing explained what it is and why it matters for accessibility
WCAG Testing Explained: What It Is and Why It Matters for Accessibility
Learn what WCAG testing is, why it matters, who should perform it, and how to test for accessibility compliance using tools like BrowserStack.
Asmita Bhattacharya
December 19, 2025
wcag 21 success criteria list
WCAG 2.1 Success Criteria List
Understand WCAG 2.1 success criteria with levels, examples, and testing tips to build accessible, compliant digital products.
Asmita Bhattacharya
December 19, 2025
vuejs accessibility
Vue.js Accessibility
Learn Vue accessibility best practices, common pitfalls, and how to test apps using BrowserStack for WCAG compliance at scale.
Asmita Bhattacharya
December 19, 2025
vpat vs wcag key differences
VPAT vs WCAG: Key Differences

Web accessibility is essential for creating inclusive digital experiences.

VPAT (Voluntary Product Accessibility Template) and WCAG (Web Content Ac…

Asmita Bhattacharya
December 19, 2025
Video Captioning Best Practices
Discover video captioning best practices to improve accessibility, ensure legal compliance, and enhance viewer experience across all devices.
Asmita Bhattacharya
December 19, 2025
what is accessibility in ux design
What is Accessibility in UX Design?
Learn what UX accessibility means, why it matters, and how to design inclusive digital experiences. Explore key principles, standards, tools, and testing methods.
Asmita Bhattacharya
December 19, 2025
top 18 accessibility testing tools
Top 18 Accessibility Testing Tools 2025
Explore the top 18 accessibility testing tools to help ensure your website complies with standards, enhances usability for all users, and boosts SEO performance.
Asmita Bhattacharya
December 19, 2025
NVDA Screen Reader Tutorial
Learn how to use the NVDA screen reader for accessibility testing. Explore installation, shortcuts, and best practices.
Asmita Bhattacharya
December 19, 2025
The Ultimate Mobile Accessibility Checklist For Android And iOS
Validate mobile accessibility with this checklist. Ensure compliance, usability, and inclusion across devices with real testing and best practices.
Asmita Bhattacharya
December 19, 2025
what are inclusive design principles
What Are Inclusive Design Principles?
Learn key inclusive design principles to create accessible, user-friendly digital experiences.
Asmita Bhattacharya
December 19, 2025
How to Do an Accessibility Audit: Step-by-Step Guide
Learn how to do an accessibility audit with this step-by-step guide. Identify issues, use the right tools, and ensure ongoing compliance.
Asmita Bhattacharya
December 19, 2025
understanding the cookie header
Understanding the Cookie Header
Understand how the Cookie header works and learn to test, debug, and modify it in real time using Requestly HTTP Interceptor.
Asmita Bhattacharya
December 19, 2025
Mastering GraphQL Scalars: From Built-in Types to Custom Implementations
Explore GraphQL scalar types, including built-in and custom scalars, with best practices for implementation, validation, and cross-language support in modern APIs.
Rashmi Saini
December 19, 2025
🚀 React 19 in 2025 — What’s New, Why It Matters, and How to Migrate from React 18
Sonika
December 15, 2025
how to use expires header
How to Use Expires Header
Learn about the Expires header, how it boosts web performance, and how to test it with Requestly HTTP Interceptor for real-time debugging.
Asmita Bhattacharya
December 12, 2025
understanding the cookie header
What are Secure Cookies?
Learn about secure cookies, their role in web security, and how to test and modify them in real-time using Requestly HTTP Interceptor.
Asmita Bhattacharya
December 12, 2025
understanding samesite cookies
Understanding SameSite Cookies
Learn about SameSite cookies, their role in security, and how to test and modify them in real time using Requestly HTTP Interceptor.
Asmita Bhattacharya
December 12, 2025
what is the content-type header
What is the Content-Type Header?
Learn everything about content-type header, how it affects data handling and best practices in this detailed guide.
Asmita Bhattacharya
December 12, 2025
how the content-length header works
How the Content-Length Header Works
Explore the Content-Length header in HTTP and how to debug and modify it in real time using Requestly for seamless data transfer inspection.
Asmita Bhattacharya
December 12, 2025
understanding content security policy and its importance
Understanding Content Security Policy and its Importance
Learn about the importance of content security policy, how to set it up, best practices, and its impact in this detailed article.
Asmita Bhattacharya
December 12, 2025
content encoding in http
Content Encoding in HTTP
Understand HTTP content encoding and use Requestly to test, inspect, and debug gzip or Brotli compression across web responses.
Asmita Bhattacharya
December 12, 2025
Best Practices for Designing and Testing GraphQL Schemas and Types
Master GraphQL schema design with proven best practices for clarity, scalability, and testing, build robust, maintainable APIs efficiently.
Rashmi Saini
December 12, 2025
Building and Testing GraphQL APIs in Rust: Frameworks, Best Practices, and Tools
Explore how to build and test GraphQL APIs in Rust using async-graphql and juniper, with automation, schema validation, and Requestly integration for high reliability.
Rashmi Saini
December 12, 2025
GraphQL with Ruby: Building Modern APIs
Learn how to build GraphQL APIs with Ruby using graphql-ruby, covering schema design, queries, mutations, and testing with Requestly for efficient debugging.
Rashmi Saini
December 12, 2025
GraphQL Resolvers Explained: The Core of Data Fetching and API Logic
A GraphQL resolver is a function that fetches data for a schema field, enabling efficient, on-demand queries. It connects queries to data sources using parent, args, context, and info.
Rashmi Saini
December 12, 2025
Understanding GraphQL Requests
Discover how GraphQL Request simplifies API testing with minimal setup, powerful queries, and easy integration for developers and testers.
Rashmi Saini
December 12, 2025
GraphQL Relay for React: Streamlined, Scalable Data Management
Learn how GraphQL Relay empowers React apps with efficient data fetching, modular fragments, compile-time validation, and seamless pagination at scale.
Rashmi Saini
December 12, 2025
Mastering GraphQL with React: Efficient Data Fetching and Debugging
Learn how to integrate GraphQL with React using Apollo Client, implement best practices for data fetching, error handling, and optimize debugging workflows.
Rashmi Saini
December 12, 2025
Mastering GraphQL Queries: Debugging, Best Practices & Performance
Learn how to write, debug, and optimize GraphQL queries effectively. Discover best practices for error handling, performance, and schema design in modern APIs.
Rashmi Saini
December 12, 2025
GraphQL in Python: Best Practices for Schema, Performance & Debugging
Master GraphQL in Python with best practices for schema design, performance optimization, and effective debugging for scalable APIs.
Rashmi Saini
December 12, 2025
GraphQL with PostgreSQL: Build Scalable APIs with Node.js
Explore the powerful combination of GraphQL and PostgreSQL to build fast, secure, and scalable APIs.
Rashmi Saini
December 12, 2025
GraphQL with Node.js: API Development, Best Practices, Debugging
Learn to build powerful APIs with GraphQL and Node.js. Explore schema design, resolvers, performance optimization, security, and debugging with Requestly for modern API.
Rashmi Saini
December 12, 2025
Understanding the X-Forwarded-Proto Header: Purpose, Use Cases, and Security
Learn how the X-Forwarded-Proto header preserves client protocol info in proxy environments, its role in HTTPS handling, and best practices for secure implementation.
Rashmi Saini
December 12, 2025
Understanding X-Forwarded-Host: Security Risks and Safe Implementation
Learn how the X-Forwarded-Host header can introduce security risks like host injection and cache poisoning, and discover best practices for secure, reliable use in web applications.
Rashmi Saini
December 12, 2025
Unsafe-Inline in CSP: Why is it a Risk and How to Fix it
Discover why ‘unsafe-inline’ in Content Security Policy compromises web security and explore secure alternatives to build robust defenses.
Rashmi Saini
December 12, 2025
The Developer’s Swiss Army Knife: HTTP Interception, Mocking, and Testing in One Tool
A unified, lightweight tool that replaces API mocking, interception, and testing—cutting context switching so developers stay in flow and ship faster.
Sohail Saifi
December 11, 2025