When you download, we’ll give you a free, time-limited Developer License for evaluation, test and development use.

The license file can be found on the Engine API server at:


If your license has expired it will be clearly stated in the logs. To obtain a new license key you have two options:

  1. Get a new developer license and take advantage of new features and updates by downloading the latest version of the API from You will be prompted for the new license key during installation.
  2. If you are ready for full function test or production, email to discuss your licensing options. On receiving the new license key, replace the string in the license file with the new one given.