Download the Best API Testing Tool for your Needs
Try ReadyAPI for advanced API testing (security, load, & virtualization) or download SoapUI to get started with the fundamentals
Get the open source version of the most widely used API testing tool in the world.
Get the most advanced functional testing tool for REST, SOAP and GraphQL APIs.
Is Open Source Right for You?
Multi-Protocol Support
Webinar
Are your teams struggling to keep API quality aligned across QA, Dev and DevOps?
Watch our 30 mins on-demand webinar.
Millions of Downloads. Millions of Users. The most trusted API Testing tool on the market.
SOLUTIONS
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 TopicsAPI 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.
Compare Tools
Software teams looking to increase API quality, automation, and integration choose ReadyAPI over SoapUI OS for intuitive, powerful API test automation
- 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
- For individuals and users working on a single machine in one environment
- Supports REST, SOAP, GraphQL, and JMS protocols
- 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
- Run multiple API tests using Groovy or Javascript code via scripting
- Data driven testing not available
- Test Refactoring done manually
- 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
- Use test logs to manually compare results
- 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
- No native SDLC Integrations
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.
Join the SmartBear CommunityNext-level professional api testing
Download & Start Testing
14-day trial, no credit card required