Here are the API calls available trough the Python library:

• trstrank gets the trstrank and trstquotient for a given Twitter user
• stronglinks finds all of the Strong Links of a given Twitter user
• influence finds the level of in?uence for a given Twitter use
• wordbag finds the words most associated with a given Twitter use
• word_stats gets basic statistics associated with a given word on Twitter
• conversations create data frame of recent conversations between two Twitter user
• demographics gather demographic data for a given IP address from the U.S. Census
• ip_geo IP address geo-location
• census gathers U.S. Census data for a given IP address
• domain returns domain information for a given domain

If you're looking for a bit more information about how you can monkey with this data via the API, check out our article Infochimps Query API is Bananas.