Test Engine REST API

Applies to TestComplete 14.74, last modified on March 01, 2021

About TestComplete Test Engine REST API

You can use the API to access applications running on your computer (as well as their internal objects) and to simulate user actions over them.

Generally, the REST API is used by TestLeft to send test instructions from your TestLeft tests to the test engine.

Note: To learn about the API that allows controlling test runs, opening project suites, launching tests and getting test results, see Test Runner REST API.


The REST API plugin must be installed and enabled in TestComplete. The plugin is installed automatically when you install TestComplete.

By default, the plugin is disabled. You can enable the plugin:

Web Interface

The REST API has a web interface where you can see the available API operations and parameters, make API calls and view the returned data.

You can access the API web interface at the following URL:


where —

  • host-name - is the network name or IP address of the computer where TestComplete is running,

  • port - is the port number the TestComplete RESTful service is using. The default port is 2377 . To specify the port the API should use, use the RestServerPort command-line parameter.

To access the web interface on your local computer by using the default port, use the following URL:


See Also

Test Runner REST API

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