Accelerating API Quality Through Testing

Whether open source or commercial, SoapUI testing tools make it easy to create, manage, and execute end-to-end tests on REST, SOAP, & GraphQL APIs, JMS, JDBC, and other web services so you can deliver software faster than ever.

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SoapUI Open Source
For developers and testers looking to accelerate their ability to deliver REST & SOAP APIs, SoapUI Open Source is the simplest and easiest way to begin your API testing journey.
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SoapUI Pro
Automate and fit API testing into your team’s continuous delivery pipeline with the next generation tool built for validation of REST, SOAP, GraphQL, microservices, and other back-end services.
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Resource Center
Just getting started with SoapUI or API testing? We’ve put together a list of resources to help you get started with the world’s most popular API testing tool.
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Millions of Downloads. Millions of Users. The most trusted API Testing tool on the market.

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Learn More about API Testing Concepts

APIs, or Application Programming Interfaces, have become the center of software development, connecting and transferring data and logic across disparate systems and applications. Luckily, testing them can greatly improve the efficiency of your testing strategy as a whole, helping you deliver software faster than ever

Explore Topics  

API Functional Testing Functionality doesn’t stop at the GUI level. Learn about how to make sure your API functions as intended, every time. API Performance Testing Performance is the bottom line of your API driven business. Load Test Virtual Users for your API and see how well it performs. API Security Worried about third party APIs, public APIs, or vulnerable internal APIs? Learn how to safely secure them all. API Mocking A properly designed, built and tested API can take valuable resources from your business. Save time and money with virtualization. Data-Driven Testing Test faster and smarter with data-driven testing, increasing your API testing coverage overnight. Test Reporting Need metrics, statistics and other testing data? Get detailed, comprehensive API test reporting to improve testing and measure success

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Software teams looking to increase API quality, automation, and integration choose SoapUI Pro over SoapUI OS for intuitive, powerful API test automation

SoapUI Open Source

For individuals and users working on a single machine in one environment

Supports REST, SOAP, JMS protocols

SoapUI Pro

For small to enterprise teams working across internal, staging and production environments

Supports REST, SOAP, GraphQL, JMS, XML-RPC, MQTT, and other protocols and collections

SoapUI Open Source

Run multiple API tests using Groovy or Javascript code via scripting

Data driven testing not available

Test Refactoring done manually

SoapUI Pro

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

SoapUI Open Source

Use test logs to manually compare results

SoapUI Pro

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

SoapUI Open Source

No native SDLC Integrations

SoapUI Pro

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

We Make APIs Great

No one knows APIs better than SmartBear. As the makers of Swagger and SoapUI, we’re trusted by millions of API teams to ensure API quality in every step of the API delivery lifecycle - from design to deployment. We’ve been helping API development and testing teams build exceptional APIs for over 10 years.

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Next-Level Professional API Testing

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  • One single platform
  • Future-proof
  • Third-Party Integrations
  • Scripted Test Creation

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