Yahoo Query Language

{{Redirect-distinguish|YQL|Lethbridge Airport}}

{{short description|SQL-like query language}}

Yahoo! Query Language (YQL) is an SQL-like query language created by Yahoo! as part of their Developer Network. YQL is designed to retrieve and manipulate data from APIs through a single Web interface, thus allowing mashups that enable developers to create their own applications{{cite news |url=https://www.pcworld.com/article/164067/yahoo_extends_yql_web_data_query_platform.html |work=PC World |title=Yahoo Extends YQL Web Data Query Platform |date=April 29, 2009 |last=Perez |first=Juan Carlos }}{{Dead link|date=February 2025 |bot=InternetArchiveBot |fix-attempted=yes }} using Yahoo! Pipes online tool.

Initially launched in October 2008 with access to Yahoo APIs,{{cite news |url=http://www.eweek.com/c/a/Application-Development/Yahoo-Launches-YQL-Execute-Updates-YSlow-660481/ |archive-url=https://archive.today/20120731002123/http://www.eweek.com/c/a/Application-Development/Yahoo-Launches-YQL-Execute-Updates-YSlow-660481/ |url-status=dead |archive-date=July 31, 2012 |work=eWeek |title=Yahoo Launches YQL Execute, Updates YSlow |last=Kolakowski |first=Nicholas |date=April 29, 2009 }} February 2009 saw the addition of open data tables from third parties such as Google Reader, the Guardian, and The New York Times. Some of these APIs still require an API key to access them. On April 29 of 2009, Yahoo introduced the capability to execute the tables of data built through YQL using JavaScript run on the company's servers for free.{{cite news |url=http://www.readwriteweb.com/archives/theres_a_great_amount_of.php |work=ReadWriteWeb |last=O'Dell |first=Jolie |date=May 2, 2009 |title=Developers: Never Mind the APIs, Here's YQL Execute }} On January 3, 2019, Yahoo retired the YQL API service.