A new version of the API (v4) is available here: developers.linode.com.

account.info()

Shows information about your account such as the date your account was opened as well as your network utilization for the current month in gigabytes.

Example Response

{
   "ERRORARRAY":[],
   "ACTION":"account.info",
   "DATA":[
      {
         "ACTIVE_SINCE":"2011-09-23 15:08:13.0",
         "TRANSFER_POOL":200,
         "TRANSFER_USED":150,
         "TRANSFER_BILLABLE":0,
         "MANAGED":true,
         "BALANCE":20
      }
}

Errors

None.