SoapUI Learning Center

A Hub for All Things API Development and Testing

Just getting started with APIs? As the world's leading open source API testing tool for over a dozen years, SoapUI has all the educational guides you need to quickly get up to speed on what APIs are, how they work, and why you should test them.

We've broken out this content into six main categories that are applicable to all types of APIs and web services, as SoapUI supports REST, SOAP, and IoT protocols. These categories include API basics, functional testing, load testing, security testing, automation, and mocking/virtualization. 


Featured Content: The Beginner's Guide to Using and Testing RESTful APIs 

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API Basics

Gain a foundational understanding of how APIs work

API Testing

Ensure your APIs follow the rules and work as expected