About the API Testing category

Dear Community Users,

Welcome to the API Testing category, a space for QA engineers, testers, and developers to explore and master testing at the core of your applications.


Why should people use this category? What is it for?
Use this category to learn how to design, execute, and automate API tests with Katalon Studio. It’s where you can exchange tips, troubleshoot your requests, and share best practices around REST, SOAP, or GraphQL APIs.


How exactly is this different than the other categories we already have?
Unlike Web or Mobile Testing, which focus on user interfaces, API Testing targets the Business Logic Layer, the engine that powers your application. Testing APIs helps validate functionality, performance, and security before the UI even exists, making it faster and more reliable for Agile and DevOps teams.


What should topics in this category generally contain?

  • Questions about API requests, parameters, or verifications
  • Discussions on using Postman, Swagger, or Katalon’s built-in tools
  • Troubleshooting response handling, assertions, or authentication
  • Best practices for CI/CD, environment setup, and data-driven testing
  • Code snippets, templates, and reusable workflows for API automation

Do we need this category?
Yes, API testing deserves its own space because it underpins almost every modern test strategy. Keeping it separate helps focus discussions on integration-level logic, stability, and performance while connecting naturally with Web, Mobile, and CI/CD topics.

Enjoy testing,

-The Katalon Community Team

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