Yahoo Search

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Yahoo used to have an independent search engine but switched to using Microsoft Bing (for the most part) in 2010.

Previously: one of several independent search-engines that index and support microformats.

search site

search APIs and tools


Yahoo supported a custom search API called BOSS until 2016-03-31 which had built-in microformats support.

  • Yahoo Search BOSS
    • When calling the BOSS web search API, you can retrieve all structured data Yahoo! has extracted for the specified URLs via SearchMonkey, including any microformats. Just add the parameters "view=searchmonkey_feed&format=xml" to your web search API call. This is probably the most efficient way to fetch structured data from Yahoo!.
    • Build a semantic Search Engine with BOSS documents how to use Yahoo's BOSS API to access Yahoo SearchMonkey which supports the hAtom, hCalendar, hCard, hReview, XFN, geo, rel-tag, adr microformats.


Yahoo SearchMonkey supported hCard, hCalendar, hReview, hAtom, others - launched 2008 May, updated 2008-12-07, until it was shut down in 2010 October. SearchMonkey was Yahoo!'s program for collecting and displaying structured data, including microformats.


Yahoo Query Language used a SQL-like syntax to "normalize" web service calls. In addition to wrapping web services such as Flickr, Yelp, and Zillow, YQL also enabled you to extract content directly from web pages. As part of that functionality, YQL could query and filter on microformats from 2009-01-13 until YQL shut down on 2019-01-03.

For example, the YQL query: * from microformats where url%3D''&format=xml

extracts all microformats from a particular page on

Unlike BOSS and the simple microformat filters described above, you can use YQL to perform filtering and other operations on the microformat data itself.

see also