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API Testing

REST API testing with Postman, REST Assured and more

28 Articles
18 Beginner
6 Intermediate
4 Advanced
Beginner 📅 Jul 10, 2026 👁 58 views

Advanced API Testing: 7 Powerful Techniques to Master

Learn Advanced API Testing with 7 powerful techniques covering automation, authentication, validation, request chaining, and real-world API testing.

Beginner 📅 Jul 10, 2026 👁 70 views

Postman Scripting: 10 Powerful Tips for API Testing

Learn Postman Scripting with 10 practical tips for pre-request scripts, test scripts, assertions, variables, request chaining, and API automation.

Beginner 📅 Jul 10, 2026 👁 68 views

Postman Variables and Collections: Complete Guide

Learn Postman Variables and Collections with practical examples, environment management, request organization, and API testing tips. Start learning today.

Beginner 📅 Jul 10, 2026 👁 83 views

API Authentication: Types, Methods, and Best Practices

Learn API authentication methods, including API keys, OAuth, JWT, and Basic Authentication, with best practices for securing APIs and protecting data.

Beginner 📅 Jul 10, 2026 👁 87 views

JSON and XML in API: 5 Key Differences Explained

Learn JSON and XML in API testing, their key differences, response validation, JSON Schema, and practical use cases. Start learning today.

Beginner 📅 Jul 10, 2026 👁 82 views

HTTP Requests and Responses: API Request Format, Headers, Body & Parameters

API request format with a real example: request line, headers, body and response, plus common API headers (Content-Type, Authorization, Accept) for testers.

Beginner 📅 Jul 10, 2026 👁 76 views

HTTP Methods & Status Codes in API Testing (GET, POST, PUT, PATCH)

Learn HTTP Methods & Status Codes (GET, POST, PUT, PATCH, DELETE), PUT vs PATCH, idempotency, status codes, and HTTP vs HTTPS for API testing.

Beginner 📅 Jul 10, 2026 👁 111 views

API Testing Fundamentals: APIs, Types & Testing Types Explained

Learn API testing fundamentals — what an API is, types of APIs (REST, SOAP, GraphQL, gRPC), types of API testing, and why Postman is used — with examples.

View all 28 API Testing articles on one page →