From their site: Advertiser Web Services enables advertisers to develop software which interacts directly with Yahoo! Search Marketing campaign management systems. Advertisers can use XML based transactions to perform many of the features that are available through our account access user interface.be adapted to efficiently manage Yahoo! Search Marketing accounts, listings, bids, and reports.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.