From their site: The Yahoo! Search Marketing API provides programmatic access to the same functionality exposed visually in the web-based interface. You can create and manage campaigns, pull reports, set bids and more. All of these capabilities are exposed via a collection of SOAP-based Web Services that are easy to use and thoroughly documented.
Every site needs promotion, right? That means your new site could use a quick boost from what others have already created. This post will cover some marketing APIs, as part of our Site in a Box series.