Hi Brando. I'll try. :)
API unit is the currency. As every currency it have exchange rate for US dollars. I.e. somewhere in the world (Europe for example), you came to the shop and buy T-shirt. You've paid for it sum in EUROs. After that you've rent a car. You've paid other sum in EUROs. But then you come back to US you've interested how many US Dollars you've spend - and you can count this with exchange rate. So API units is the sum for service/good in other country. Different service/good costs different money. But 1000 API units costs 0.25$. Charging for using usually happens in the end of period (month) (may be changed, but I'm not sure). Regards, -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Also find us on our blog and discussion group: http://adwordsapi.blogspot.com http://groups.google.com/group/adwords-api =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. To post to this group, send email to adwords-api@googlegroups.com To unsubscribe from this group, send email to adwords-api+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/adwords-api?hl=en