FileAge:

/fileAge is a GET only call that only CACHE users can access. It takes a required parameter ?sum=<count|diskspaceConsumed> to specify looking at cached file age breakdowns by count or by diskspace usage.

Response code is 200 and a JSON presentation of a time range histogram mapping the age of files to their combined count or diskspace.

Response code of 403 means you are not authorized to view this endpoint.