The Google AdWords Blog announced the release of version four of the Google AdWords API. Part of this update is that the new terms of use goes into affect, that we discussed earlier about using the API for commercial purposes. If you are an API user, you must update to v4 by July 12th.
Other updates to the API include;
+ Local time zone support
+ Enhanced access to more data for reporting
+ Added fields for traffic estimator by replacing avgPosition with lowerAvgPosition & upperAvgPosition, replacing ClicksPerDay with lowerClicksPerDay & upperClicksPerDay and replacing cpc with lowerCpc & upperCpc
+ Zero Impression Reporting
+ Unique Request ID to track API requests
+ Geo Codes Standardization
You must update the API to version four by July 12, 2006.