Zephyr Enterprise exposes its data via a REST API. You can use the API to:

• Import tests from other tools into Zephyr.
• Integrate Zephyr with other applications.
• Get information about users, projects, releases, test case repositories and the underlying folders, test cases, custom fields, execution cycles.
• Create new test case folders, test cases, requirements, execution cycles, execution phases.
• Add/modify/delete attachments and phases to existing execution cycles.
• Assign test execution schedules.
• Update test cases and test case execution status.
• Create an execution cycle and update the status of a test case execution run.
• And more.

API documentation

Zephyr Enterprise REST API