SoapUI
SoapUI: A broad, free API testing desktop tool for functional, contract, performance, and load work. Ranked #3 of 33 in API Testing Tools by our editors (9.0/10); pricing: Free plan; best for teams testing SOAP, REST, and service performance.
At a glance
- Editor score9.0 / 10
- PricingFree plan
- Best forTeams testing SOAP, REST, and service performance
- Free planYes
- Paid fromFree
- Scheduled runsYes
- Facts checked21 Sep 2026
Where it wins
- Covers REST, SOAP, GraphQL, functional, regression, and performance testing
- Includes service mocking, contract coverage, assertions, and schema validation
- Runs locally on Windows, macOS, and Linux with command-line execution
Where it doesn't
- Desktop-focused rather than a browser-based testing platform
- Enterprise testing capabilities are provided through separate ReadyAPI products
- Groovy and JavaScript scripting may require scripting knowledge
Our verdict on SoapUI
SoapUI is an open-source desktop API testing tool for developers and testers working with REST, SOAP, HTTP, and GraphQL services. It is suited to teams that need one application for functional, regression, interoperability, performance, and load testing. The feature set also covers response assertions, schema validation, WSDL and REST definitions, service mocking, WSDL contract coverage analysis, and command-line test execution. It runs locally on Windows, macOS, and Linux, with scheduled runs and CI/CD integration support.
Its broad testing scope is the main reason to consider it. Teams can test SOAP and WSDL services alongside REST and GraphQL requests, then extend coverage with Groovy or JavaScript scripting. Mocking helps represent REST and SOAP services, while contract coverage, assertions, and schema validation support checks beyond basic request-and-response verification. Maven, Hudson, Bamboo, and command-line runners provide integration points for delivery workflows. This makes SoapUI a practical fit for teams that value open-source access and a wide API testing surface over a narrowly focused request client.
SoapUI itself is presented as free and open source, with no paid SoapUI tier described. SmartBear provides ReadyAPI as a separate commercial companion with additional enterprise testing capabilities, so organizations seeking those capabilities should evaluate that product separately. SoapUI is also a desktop tool, which may not suit teams seeking a browser-first service or a single enterprise platform for broader testing operations. Choose it for local, scriptable testing across REST, SOAP, and GraphQL; consider ReadyAPI instead when the requirement is specifically for additional enterprise capabilities.
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SoapUI pricing
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SoapUI fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| GraphQL support | Yes |
| SOAP support | Yes |
| Scheduled runs | Yes |
| CI/CD integration | Yes |
| Mock server | Yes |
| Contract testing | Yes |
| Included requests | Not verified |
| Deployment | Desktop |
| Platforms | Windows, macOS, Linux |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 9 integrations: Maven, Hudson, Bamboo, JUnit, Apache Ant, Eclipse … |
| Pricing | Free plan (source) |
| Website | soapui.org |
| Facts checked | 21 Sep 2026 |
SoapUI integrations
SoapUI lists 9 integrations on its own site.
- Maven
- Hudson
- Bamboo
- JUnit
- Apache Ant
- Eclipse
- NetBeans
- Postman Collections
- JMS
Alternatives to SoapUI
- PostmanA mature API test platform with broad protocol support and a wide feature set.9.3
- ApidogA broad API toolkit for teams that need design, testing, automation, and documentation together.9.2
- KarateA broad, automation-focused API framework with a valuable free tier and paid tooling add-ons.8.9
SoapUI vs the competition
- SoapUI vs Postman
- SoapUI vs Apidog
- SoapUI vs Karate
- SoapUI vs ReadyAPI
- SoapUI vs Insomnia
- SoapUI vs Bruno
Compare SoapUI with any tool side by side →
Also Ranked In
SoapUI is ranked in 8 of our directories; the 6 strongest besides API Testing Tools.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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