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  7. SoapUI
SoapUI logo

SoapUI

Unclaimed

The world's most popular open-source API testing tool for REST, SOAP, and GraphQL.

API ToolsTesting & QA
Visit Website

TL;DR - SoapUI

  • Open-source API testing tool for REST, SOAP, and GraphQL.
  • Focuses on basic functional testing capabilities.
  • Requires scripting for automation and manual test analysis.
Pricing: Free plan available
Best for: Growing teams

Pricing Plans

Free Trial

ReadyAPI

Contact us

  • Multi-Protocol Support (REST, SOAP, GraphQL, Apache Kafka, gRPC)
  • Automation (Basic Property Transfer, Custom Scripting, CI/CD Integrations, Data Generation, Dynamic Data Sources, Assertion Groups)
  • Collaboration (Jira, Slack, GitHub, Bitbucket, GitLab)
  • Definitions (WSDL, OpenAPI, AsyncAPI, Apache Avro, Swagger, Protobuf)
  • Testing (Basic Functional Testing, Basic Performance Testing, Functional Testing, Security Testing, Performance Testing, Service Virtualization & Mocking)
  • Build complex codeless test assertions in a few clicks
  • Connect your tests to data from excel, csv, databases and other data sources to enhance test coverage
  • Automatically updates requests/test steps in your project so they match an updated specification
  • Generate reports in multiple formats (PDF, Junit Style, XML, CVS and Allure)
  • Easily compare results from multiple test runs in dashboard so you can track improvements, degradations in testing and see trends
  • Integrate with Jenkins, TeamCity, or Azure DevOps using our native plug-ins or build your own command-line arguments with our builder to integrate with nearly any CI server your organization may use
  • Store tests locally or inside a Git repo for easier collaboration between team members

SoapUI Open Source

Free

  • Multi-Protocol Support (REST, SOAP, GraphQL, JMS)
  • Automation (Basic Property Transfer, Custom Scripting, CI/CD Integrations, Data Generation, Dynamic Data Sources, Assertion Groups)
  • Collaboration (Jira, Slack, GitHub, Bitbucket, GitLab)
  • Definitions (WSDL, OpenAPI, AsyncAPI, Apache Avro, Swagger, Protobuf)
  • Testing (Basic Functional Testing, Basic Performance Testing, Functional Testing, Security Testing, Performance Testing, Service Virtualization & Mocking)
  • Run multiple API tests using Groovy or Javascript code via scripting
  • Use test logs to manually compare results
View full pricing

About SoapUI

SoapUI is an open-source API testing tool designed for individuals and small teams to perform functional testing on various API protocols. It allows users to test REST, SOAP, and GraphQL APIs, providing fundamental capabilities for ensuring API functionality. While it requires scripting for automation and manual test analysis, it serves as a foundational tool for understanding and implementing API testing. This tool is ideal for developers and testers who need a free, basic solution for API functional testing on a single machine. It helps users get started with API testing concepts and provides a platform to validate API behavior before integrating with more advanced solutions. SoapUI is part of the SmartBear ecosystem, known for its contributions to API quality tools like Swagger.

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SoapUI FAQ

SoapUI is the open-source version of the most widely used API testing tool in the world. It allows users to perform basic functional and performance testing on REST, SOAP, GraphQL, and JMS APIs.

SoapUI is completely free as it is an open-source tool.

Yes, SoapUI is free and open-source.

SoapUI is designed for individuals and users working on a single machine in one environment who need to perform basic functional testing of APIs. It's suitable for those getting started with API testing concepts.

Quick Info

Pricing
Freemium
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Alternatives

View all
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Apidog

API design, testing, and documentation in one platform

Paw logo

Paw

Advanced API client for Mac

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Playwright

Reliable end-to-end testing

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