The option to Manage applications for using the API with OAuth will display on the username menu if you have the appropriate privilege.
From this menu users can view For OAuth applications, users can add applications, display keys, inspect the privileges assigned to the application, and delete the application.
To add an OAuth application:
Abiquo will add the new application to the applications Applications list and display the API key and an API secret key. Copy the API key and API secret key to a safe placesecure storage area.