Using the APIs

YQL YQL (Yahoo! Query Language)

Query, filter, and join data across Web services through one simple language. Eliminate the need to learn how to call different APIs.

Access data from all these sources and more.

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APIs & Tools

YUI Library
YUI Library

YUI is a library of JavaScript utilities and controls for building richly interactive web applications using techniques such as DOM Scripting, DHTML, and Ajax.

PlaceFinder
PlaceFinder

Yahoo! PlaceFinder converts street addresses and place names into geographic coordinates.

Yahoo! Search BOSS
Yahoo! Search BOSS

BOSS is Yahoo!'s open search web services platform. Developers can use BOSS to build and launch web-scale search products that utilize the entire Yahoo! Search index.

YAP
YAP

The Yahoo! Application Platform allows developers to reach Yahoo! users and improve the Yahoo! user experience by building and deploying new applications directly onto Yahoo! pages.

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  • My Projects

    Your dashboard to create and manage your API Keys and Apps.

  • Documentation

    Technical guides and tutorials of Yahoo! APIs and tools.

  • Resources

    Yahoo!'s time tested experience and research to better your App's performance and usability.

  • Support

    Answers to your questions on Yahoo! APIs and tools. Join the community and spur innovation.