What is SoapUI?

What is SoapUI?

SoapUI is the leading open-source, cross-platform API testing tool that allows testers to execute automated functional, regression, compliance, and load tests on different web APIs. Built specifically for service-oriented architectures and REST web services, SoapUI gives both technical and non-technical users a simple interface for designing, running, and reporting API tests.

• SoapUI is the leading open source cross-platform API Testing tool.
• SoapUI allows testers to execute automated functional, regression, compliance, and load tests on different web APIs.
• SoapUI supports all the standard protocols and technologies to test all kinds of APIs.
• The SoapUI interface is simple and enables both technical and non-technical users to use it seamlessly.
• Modern releases such as SoapUI 5.x and the commercial ReadyAPI suite extend testing into cloud, container, and CI/CD environments.

Why use SoapUI?

SoapUI is not just a functional API testing tool but also lets testers perform non-functional testing such as performance and security tests. The platform covers SOAP, REST, and WSDL services through one workspace, which is why many enterprise QA teams adopt it as their default API testing solution. Below are five important features of SoapUI that explain why teams choose it.

Top Features of SoapUI

SoapUI bundles several testing capabilities into one interface so a single project can cover functional checks, security scans, and load runs. The following features highlight what makes SoapUI a strong fit for modern API testing programs.

1) Functional Testing

• A powerful tool that allows testers to write functional API tests in SoapUI.
• Supports drag-and-drop, which accelerates script development.
• Supports debugging of tests and allows testers to develop data-driven tests.
• Supports multiple environments, making it easy to switch between QA, Dev, and Prod.
• Allows advanced scripting so testers can develop custom Groovy code for any scenario.

2) Security Testing

• Has the capability to perform a complete set of vulnerability scans.
• Prevents SQL Injection to secure databases.
• Scans for stack overflows that are caused by documents huge in size.
• Scans for cross-site scripting, which usually occurs when service parameters are exposed in messages.
• Performs Fuzzing scan and Boundary scan to avoid erratic behavior of the services.

3) Load Testing

• Distribute the load tests across any number of LoadUI agents.
• Simulate high-volume and real-world load testing with ease.
• Allows advanced custom reporting to capture performance parameters.
• Allows end-to-end system performance monitoring.

4) Supported Protocols and Technologies

SoapUI has the most comprehensive protocol support among open-source API testing tools, covering REST, SOAP, WSDL, JMS, AMF, JDBC, and HTTP.

5) Integration with Other Automation Tools

SoapUI integrates very well with popular build and CI tools, which is essential for embedding API tests into modern delivery pipelines.

Maven

Apache Maven is a software project management tool that can manage a project’s build, reporting, and documentation from a central repository. Maven can also execute SoapUI tests within a Maven build using simple commands.

Jenkins (Hudson)

Jenkins, originally branched from Hudson, is a Java-based continuous integration tool that integrates with CVS, Subversion, Git, Perforce, ClearCase, and RTC. SoapUI also integrates with Jenkins, which helps teams spot bugs quickly for each commit by the developers.

JUnit

JUnit is a unit testing framework built in Java, which can control the flow of tests from SoapUI as well.

Apache Ant

Apache Ant is a Java library and command-line tool that helps in building software. Using SoapUI’s command line, teams can execute tests within an Ant automated build.

SoapUI vs Selenium

It is helpful to compare SoapUI with Selenium so teams understand which tool fits which scope. SoapUI focuses on the API and protocol layer, while Selenium focuses on UI behavior inside a browser.

SoapUI vs SoapUI Pro (ReadyAPI)

There are two flavors of SoapUI: the open-source SoapUI and the commercial edition originally branded SoapUI Pro and now packaged as ReadyAPI. Below is a feature comparison that explains when to choose each option.

Features	SoapUI (Open Source Version)	SoapUI Pro / ReadyAPI
Supported Technologies
SOAP/WSDL
REST
JMS
AMF
JDBC
HTTP
Automation
Functional Tests
Load Tests
Mock Services
Code Generation
Command Line
Maven
CI and Build Integration
General Features
Standalone Application
Groovy Code Templates
Multi Environment Support
Floating Licenses
Functional Testing features
WSDL Coverage
Request/Response Coverage
Message Assertion
Test Refactoring
Running of Multiple Tests
Data Source Driven Tests
Scripting Libraries
Unit Reporting
Manual Test Step
Security Testing features
Boundary Scan
Invalid Type
SQL Injection
XPath Injection
XML Bomb
Fuzzing Scan
Cross Site Scripting
Configurable Scans
Reporting
Load Testing Features
Rapid Load Tests from Functional Tests
Configurable Load Strategies
Load Test Assertions
Real-Time Statistics
Performance Monitoring
Statistics Exporting
Setup/TearDown using Groovy Scripting
LoadUI Integration
Reporting
Reports
JUnit Reports
Report Data Export
WSDL HTML Report
WSDL Coverage
TestSuite Coverage
TestCase Coverage
Assertion Coverage
Message Recording Coverage

When to use SoapUI Pro / ReadyAPI Version?

The Pro edition (now ReadyAPI) is the right choice when teams need advanced reporting, multi-environment management, and enterprise support. The points below describe the key scenarios where the Pro version delivers extra value over the open-source SoapUI 5.x release.

• Data Driven: The Pro version helps testers work with external data sources such as text files, XML, Groovy, Excel, and databases. This allows tests to scale across a wide range of inputs driven through those sources.
• Test Coverage: The Pro version allows testers to get a statistical report that shows the functionalities that are well tested as well as the areas that are not thoroughly tested. The drill-down reports even pinpoint exactly what has not been tested and what has not been asserted.
• Test Debugging: Testers can run the test to a breakpoint and view the current value of SoapUI properties. The Test Debugging interface simplifies the inspection of test flow, variables, properties, requests, and context, which makes test creation and improvement more streamlined.
• Multi-Environment Support: Working with multiple environments such as DEV, QA, and Pre-PROD can be a daunting task with the open-source version because testers need to change endpoints to execute in different environments. The Pro version helps teams switch between environments seamlessly.
• Reporting: The Pro version is loaded with many options to customize reports that generate detailed output at the project, TestSuite, TestCase, or LoadTest level. It also produces reports in various formats such as PDF, HTML, Word, or Excel.
• Security Testing: Both SoapUI versions have capabilities to test for security vulnerabilities such as XML bombs, SQL injection, fuzzing, and cross-site scripting. However, only SoapUI Pro can perform vulnerability scans using the Security Test Generator with a mouse click.
• SQL Builder: For non-technical testers, writing complex SQL queries can be cumbersome. The SoapUI Pro SQL Builder helps them create SQL queries using a graphical interface. This feature accelerates the implementation of data-driven testing.
• Support: As part of the license agreement, SoapUI Pro has exclusive support apart from the online forum support.

The Open Source version of SoapUI will be used for the training purpose in this tutorial.

SoapUI Tool – Version Timelines

SoapUI has shipped major releases since 2005, with each release adding new protocol support, security features, or reporting capabilities. Modern SoapUI 5.x releases focus on plugin stability and REST coverage, while the commercial product line has been rebranded as ReadyAPI.

FAQs