I know of some places that charge for API calls. A lot of sporting events use such a thing. MMA, UFC, NFL, and other things which charge per API call for sports stats, live results and of the such. Is there place to buy/sell such services? I created a little API for a site I developed recently related to Cheat Codes. The API was mostly for my own project, but may be interested in charging for people to use the API. I am also looking for some cool API's to play around with (not for $$ purposes, but for some projects if they interest me enough).