Yahoo has recently launched the developer network, Google first gave away users with an API where anyone can query google with a limit of 1000 queries per day, Now yahoo has launched similiar developer platform using their own Application Programmer Interface,

Yahoo search developer network,

To register for an API Key, visit here, http://api.search.yahoo.com/webservices/register_application

Read FAQ here http://developer.yahoo.net/faq/

Documentation http://developer.yahoo.net/documentation/

Download API SDK, http://developer.yahoo.net/download/download.html

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