ADVance is an automated system for managing Pay-Per-Click (PPC) campaigns in Google and other search engines. Uses the Google AdWords API.
|AdWords Developer's Guide|
Google official AdWords API guide with detailed examples.
|Google APIlity Library|
From Google, a set of PHP classes for accessing their AdWords API.
|Ruby Gem for Google AdWords|
Open source Ruby client library for the AdWords API makes it easier to write Ruby clients to programmatically access AdWords accounts. The client library is provided as a gem, or can be installed independently. Also has sample code.