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API Testing

33 articles tagged “API Testing”

Postman

Best Postman Alternative in 2026: Faster API Client for Developers

Postman’s 2026 pricing changes ended free team collaboration. Discover why developers are switching to Requestly

Akanksha Bhadauria · Mar 12, 2026
HTTP Interceptor

Mastering GraphQL with React: Efficient Data Fetching and Debugging

Master GraphQL with React to optimize data fetching and debugging, enhancing your web app's performance and user experience.

Rohan Mathur · Dec 12, 2025
HTTP Interceptor

GraphQL Relay for React: Scalable Data Management

Learn how GraphQL Relay empowers React apps with efficient data fetching, modular fragments, compile-time validation, and seamless pagination at scale.

Rohan Mathur · Dec 12, 2025
Best Practices

GraphQL Resolvers Explained: Core Data & API Logic

Unlock the power of GraphQL resolvers to efficiently connect queries to data sources, enhancing your API's performance and reliability.

Rohan Mathur · Dec 12, 2025
HTTP Interceptor

GraphQL with Node.js: Best Practices & Debugging Guide

Master GraphQL with Node.js using best practices and debugging techniques for building efficient, scalable APIs in your projects.

Rohan Mathur · Dec 12, 2025
HTTP Interceptor

Understanding X-Forwarded-Host: Security & Best Practices

Unlock the secrets of the X-Forwarded-Host header: learn how to secure web applications against risks like host header injection with best practices.

Rohan Mathur · Dec 12, 2025
HTTP Interceptor

Understanding X-Forwarded-Proto Header: Use & Security

Learn how the X-Forwarded-Proto header enhances security and ensures accurate protocol detection for applications behind proxies in this essential guide.

Rohan Mathur · Dec 12, 2025
Best Practices

Understanding 2xx HTTP Status Codes: Successful Responses Explained

Explore key 2xx HTTP status codes, their meanings, and how they confirm successful server responses.

Parth Bhardwaj · Nov 18, 2025
Best Practices

Learn about Accept-Encoding in HTTP Requests

Learn what Accept-Encoding means, how it works, and why it improves website performance and load times

Nafees Nehar · Nov 18, 2025
Best Practices

How to Structure Multiple GraphQL Queries in One Request?

Understand the benefits of structuring multiple GraphQL queries in one request, learn when to use them, how to optimize performance, and handle challenges.

Navdeep Rathore · Nov 18, 2025
Best Practices

The Ultimate Guide to Mocking APIs with Playwright

Learn how to mock APIs with Playwright and explore advanced techniques, including conditional mocking, HAR files, and dynamic responses.

Navdeep Rathore · Nov 18, 2025
Best Practices

Mock Service Concepts & Tools: Create Your First Mock Easily

Learn key mock service concepts, best practices, tools, and common mistakes to improve testing speed, reliability, and control across environments.

Navdeep Rathore · Nov 18, 2025
Best Practices

Mock vs Stub: An In-Depth Comparison for API Testing

Learn the differences between mocks and stubs, and how to choose the right one by mapping it to what your test is actually validating.

Navdeep Rathore · Nov 18, 2025
Best Practices

Mock vs Stub vs Fake: Core differences

This guide explains the differences between mocks, stubs, and fakes in API testing and helps you choose the right one for your test case.

Navdeep Rathore · Nov 18, 2025
Best Practices

What Is a Network Delay Request and Why Does It Matter?

Learn what network delay requests are, why they matter, and how to test APIs and applications using Requestly for reliable performance.

Navdeep Rathore · Nov 18, 2025
Best Practices

Node.js Mock Server Setup: A Complete Tutorial

Explore the full process of Node.js mock server setup, including structured endpoints, mock behaviors, and tips for long-term maintenance.

Navdeep Rathore · Nov 18, 2025
Best Practices

Request URL: What It Is and Why It’s Essential

Learn what a request URL is, its structure, and why it is important for API testing, debugging, and application reliability.

Navdeep Rathore · Nov 18, 2025
Best Practices

Rest API Client: Features, Benefits & Top Tools

Explore what a REST API Client is, its benefits, features, and top tools in 2025. Compare Requestly, HTTPie, ARC, Curl, and Thunder Client.

Navdeep Rathore · Nov 18, 2025
Best Practices

What is REST API: Examples, Principles, and Use Cases

Learn what REST APIs are with practical examples such as user management, e-commerce, and payment systems, and how they work in real scenarios.

Navdeep Rathore · Nov 18, 2025
Best Practices

The Beginner’s Guide to APIs: Types, Benefits, and Protocols

Understand what APIs are, how they work, types, benefits, and protocols that ensure secure and effective data exchange.

Navdeep Rathore · Nov 18, 2025
Best Practices

What Are API Keys? A Guide to Authentication and Security

APIs allow applications to communicate with each other. To control and secure access, APIs often require a method to identify the client making the request....

Navdeep Rathore · Nov 18, 2025
Best Practices

What is gRPC: Meaning, Benefits, and Architecture

Understand what gRPC is, its key features, use cases, and its architecture. Also, learn how to set up and implement gRPC in your application.

Navdeep Rathore · Nov 18, 2025
Best Practices

What Is a User-Agent Header? Complete HTTP Guide

Learn what a User-Agent header is, its key components, how it affects browsers and devices, and techniques to test user-agent headers.

Navdeep Rathore · Nov 18, 2025
Best Practices

What is X-Forwarded-For: A Complete Guide

Learn what X-Forwarded-For is, how it works, its impact on web security, logging, and best practices for accurate client IP tracking.

Navdeep Rathore · Nov 18, 2025
Best Practices

Complete Guide to X-XSS-Protection and Web Security

Learn what X XSS protection is, how it works, different X XSS attack types, how to integrate it, and advanced strategies for web security.

Navdeep Rathore · Nov 18, 2025
Best Practices

When to Use GraphQL Over REST API?

Learn when to use GraphQL, explore its benefits, key use cases, limitations, and how to migrate to GraphQL from REST.

Navdeep Rathore · Nov 18, 2025
Best Practices

X-Frame-Options Header: Setup & Best Practices

Learn how to implement, test, and monitor X-Frame-Options headers to protect websites from clickjacking and framing attacks.

Navdeep Rathore · Nov 18, 2025
Best Practices

Selenium Login Automation Testing Guide with WebDriver

Learn how to automate login functionality using Selenium WebDriver with step-by-step setup, execution, and real device testing.

Parth Bhardwaj · Nov 13, 2025
Best Practices

Handling Cookies in Selenium: Complete Guide with Examples

Learn how to manage, add, delete, and troubleshoot cookies in Selenium WebDriver with practical examples and best practices for real device testing.

Parth Bhardwaj · Nov 13, 2025
Best Practices

How to Run Failed Test Cases in TestNG

Efficiently rerun failed test cases in TestNG with our expert tips on using testng-failed.xml and IRetryAnalyzer to enhance your automation testing.

Parth Bhardwaj · Nov 13, 2025
Best Practices

TestNG Listeners Explained with Examples and Best Practices

Learn what TestNG listeners are, their types, implementation methods, common challenges, and best practices with practical examples.

Parth Bhardwaj · Nov 13, 2025
Best Practices

Mock API Setup in React: Best Practices Guide

Learn how to master mock API setup in React with key use cases and best practices to speed up development and improve testing accuracy.

Navdeep Rathore · Oct 31, 2025
Best Practices

Mock APIs with Pagination: Types, Steps, and Best Practices

Learn how to mock APIs with pagination in a step-by-step guide that covers setup, pagination formats, and structured methods for effective API simulation.

Navdeep Rathore · Oct 31, 2025