GitHub AE is currently under limited release.

Git database

Use the REST API to interact with raw Git objects in your Git database on GitHub AE and to list and update Git references (branch heads and tags).

About Git database

The REST API gives you access to read and write raw Git objects to your Git database on GitHub AE and to list and update your references (branch heads and tags). For more information about using the REST API to interact with your Git database, see "Using the REST API to interact with your Git database."