Where to Download SoapUI or ReadyAPI
You can download both tools directly from soapui.org: SoapUI Open Source for fundamental API testing, and ReadyAPI for advanced functional testing across REST, SOAP, and GraphQL APIs. The site presents both options side by side under the heading "Download the Best API Testing Tool for your Needs," so you pick the edition that matches your testing scope before downloading.
SoapUI Open Source vs. ReadyAPI: Which Download Do You Need?
The download page frames the choice around one question: "Is Open Source Right for You?" If your work stays within basic functional and performance testing, the open source edition covers it. If you need security testing, service virtualization, or broader protocol coverage, ReadyAPI is the intended path.
| Capability | ReadyAPI | SoapUI Open Source |
|---|---|---|
| Multi-protocol support | REST, SOAP, GraphQL, Apache Kafka, gRPC | REST, SOAP, GraphQL |
| Automation | Basic property transfer, custom scripting, CI/CD integrations, data generation, dynamic data sources, assertion groups | Basic |
| Collaboration | Jira, Slack, GitHub, Bitbucket, GitLab | — |
| Definitions | WSDL, OpenAPI, AsyncAPI, Apache Avro, Swagger, Protobuf | — |
| Testing | Functional, security, performance, service virtualization & mocking | Basic functional testing, basic performance testing |
The table on the site lists these as parallel columns, so the gaps are explicit: collaboration integrations, definition formats beyond the core, and the advanced testing types appear only on the ReadyAPI side.
How to Choose Before You Download
Work through these conditions in order:
- Check your protocol needs. If you test only REST, SOAP, or GraphQL, SoapUI Open Source is sufficient on that dimension. If you also work with Apache Kafka or gRPC, ReadyAPI is the listed option.
- Check your testing type. Basic functional and basic performance testing are covered by the open source edition. Security testing, full performance testing, and service virtualization & mocking are listed under ReadyAPI.
- Check your team workflow. If you need Jira, Slack, GitHub, Bitbucket, or GitLab integration, that row is populated only for ReadyAPI.
- Check your definition formats. WSDL, OpenAPI, AsyncAPI, Apache Avro, Swagger, and Protobuf are listed under ReadyAPI definitions.
If steps 1–4 all land inside the open source column, download SoapUI Open Source. If any of them requires a ReadyAPI-only capability, download ReadyAPI instead.
What You Get on the Download Page
The page offers two download actions:
- ReadyAPI — described as "the most advanced functional testing tool for REST, SOAP and GraphQL APIs."
- SoapUI — described as "the open source version of the most widely used API testing tool in the world."
Both are presented as direct downloads from soapui.org. The site also notes "Millions of Downloads. Millions of Users." as social proof, and offers a 30-minute on-demand webinar titled "Are your teams struggling to keep API quality aligned across QA, Dev and DevOps?" for teams evaluating the collaboration angle.
Common Sticking Points
- Assuming the open source edition covers everything. The comparison table is the authoritative source here — security testing, service virtualization, and the collaboration integrations are not in the SoapUI Open Source column.
- Skipping the protocol check. GraphQL appears in both columns, but Apache Kafka and gRPC appear only under ReadyAPI. Confirm your protocol before downloading.
- Overlooking the definitions row. If your workflow depends on AsyncAPI, Apache Avro, or Protobuf definitions, that capability is listed only for ReadyAPI.
After You Download
The site points to concept guides for the testing types you'll encounter: API Functional Testing, API Performance Testing, API Security, API Mocking, Data-Driven Testing, and Test Reporting. These are useful starting points once the tool is installed and you're deciding what to test first.