Introduction to Web Services Test Object in Katalon Studio

Last updated: January 2026

Katalon Studio supports API Testing with both RESTful and SOAP Services. You can import their definitions from different sources, create and test a single test request, or create functional test scripts. Below are some useful documentations for working with Web Service Requests:

REST

Create and design a RESTful Test Request. Or you can import Service definitions from:

• OpenAPI Specifications
• SoapUI
• Postman

SOAP

Create and design a SOAP Test Request. Or you can import Service definitions from WSDLs.

Functionalities

• Builder to create and manage Web Service object easily in Script mode.

• Parameterize a Web Service object.

• Learn more about REST, SOAP, and other API advanced requests with Katalon Academy course: API Testing With Katalon Studio - The Basics.