SoapUI

SoapUI is an open-source tool designed for comprehensive API testing, supporting both SOAP and REST protocols. It enables users to conduct functional testing by sending requests and verifying responses to ensure APIs operate as intended. Additionally, SoapUI facilitates API load testing, allowing for the simulation of high traffic to assess performance under stress, and it provides capabilities for API security testing to identify potential vulnerabilities. As a cost-effective solution, its powerful scripting features allow for the creation of complex test scenarios, making it suitable for a variety of testing needs. However, users may encounter a learning curve due to its intricate interface and scripting language, and it lacks some collaboration features found in other API testing tools. Overall, SoapUI is a robust option for those looking to enhance their software testing processes.