Y!OS Documentation
This page contains links to all documentation for Y!OS, including examples, tutorials, and FAQs. Y!OS is a set of complementary platforms that allow developers to rapidly access Yahoo! network data and develop applications for Yahoo! Users via OAuth, an open authentication standard.
Learning Resources
To learn about Y!OS and start developing applications, begin here:
Overview Documents
- Introducing the Yahoo! Open Strategy (Y!OS)
- Yahoo! Application Platform Developers Guide (PDF)
- Yahoo! Query Language (YQL) Guide (PDF)
- Yahoo! Query Language (YQL) Overview (PDF)
- Glossary
- Yahoo! Application Platform Release Notes
Examples, Tutorials and FAQs
Technologies
View the Y!OS documentation organized by technology:
Yahoo Open Strategy (Y!OS)
Yahoo! Social Platform (YSP)
- Yahoo! Social Platform API Reference
Opensocial
Yahoo! Application Platform (YAP)
- Yahoo! Application Platform Developers Guide
- Yahoo! Markup Language (YML) Reference
- Yahoo! Application Platform Release Notes
Yahoo! Query Language (YQL)
OAuth for Yahoo! APIs
Y!OS SDKs
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