A normal impression would be from a normal Google service, Google
Base, Google Product Search or Google Web Search.
An API impression would be from a application or website that is using
the Google Base API to programmatically display items from Google
Base.
A good example would be my web app he
Hi Rod,
API Impressions mean how many times your
item(s) has come up in a query using the API.
For example, if I searched the snippets feed for products
(or used a more advanced search) and your items shows
in the results, this would be an impression:
Example:
http://www.google.com/base/feeds/sn
