Get Usage from Client (API or MySQL)

[SuiCo]

Hi forum

I did find out how that I can get the 'allowed limits' per API:
http://download1.parallels.com/Plesk/PPP9/Doc/en-US/plesk-9.5-api-rpc/index.htm?fileName=34356.htm

Now I d'like to get the current usage for diskspace, subdomains etc etc

I cannot find a solution in API reference.

Does someone has an idea how deal that per SQL or API request?

Best regards
SuiCo