Welcome to ReadyAPI 4.0.0

UI Update Notice

ReadyAPI 4.0.0 introduced a refreshed user interface.

During the documentation update process, some screenshots and videos may display the previous UI. Functionality and workflows remain unchanged.

ReadyAPI 4.0.0 introduces a refreshed user interface that modernizes the visual experience and improves accessibility while maintaining the powerful testing capabilities used by API teams around the world.

This release delivers a cleaner, more consistent interface and preserves the existing workflows users rely on.

What changed in 4.0.0

This release focuses on visual improvements to the user interface:

  • Updated UI styling and layout

  • Improved visual consistency across product areas

  • Refreshed icons and panels

These updates improve usability and keep the same core workflows for:

  • Functional API testing

  • Security testing

  • Load testing

  • Service virtualization

  • Test automation

What did not change

Your testing workflows remain the same, and you can continue to:

  • Import API definitions

  • Create test suites and test cases

  • Add assertions

  • Run tests

  • Automate tests in CI/CD pipelines

Existing projects and integrations continue to work as before.

Documentation and learning resources

SmartBear updates documentation and screenshots to reflect the new interface.

During this transition period:

  • Some documentation pages show screenshots from the previous UI.

  • Some tutorial videos show the earlier interface.

Even when visuals differ, the steps and workflows remain the same.

Getting started

If you are new to ReadyAPI, start with the Quick Start Guide. It shows the fastest way to create and run your first API test.

→ Start with the Quick Start Guide.

From there, explore additional capabilities such as security testing, load testing, and virtual services.

Support and issues

  • Review the Known Issues page for current UI limitations, workarounds, and planned fixes.

  • If you encounter an issue affecting your work, report it in the SmartBear Support portal.

  • If an issue blocks your use of ReadyAPI 4.0.0, log a support ticket with the appropriate priority.

  • If needed, revert to version 3.67.0. ReadyAPI maintains backward compatibility. Download installers from the ReadyAPI Downloads Center.

See also

Publication date: