Google AdWords has launched the latest version of its AdWords API, version 12. Version 12 of the AdWords API will include the following changes:
*An expanded code sample library
*AdGroup.id type change
*New budget fields in Campaign
*Added CPC bidding for placement-targeted campaigns
If you are an AdWords API developer and is currently using version 11 of the AdWords API, you have until July 28, 2008 in order to make the switch. Beginning on the 28th of July, version 11 will be discontinued by Google AdWords.