If you have downloaded GLPI from the official GitHub repository or the GLPI Project website,

The REST API is fully accessible after installation. You generate API tokens in the GLPI interface – no purchase needed.

Some fake "registration portals" ask for your email, company name, and phone number to "send a free key." Instead, they sell your data or attempt credential theft.

: Receive notifications and easy updates for installed plugins through the interface.

However, a common point of confusion for new users is the If you are looking for a free registration key to unlock features, this post is for you.

You likely installed a commercial plugin (like "GLPI Monitoring" or "Datacenter Management"). Uninstall that plugin or purchase a legitimate key from the plugin developer. The core GLPI does not have this field.