Identify Users and Their Friends
Enable users to login to your site using their existing Yahoo! IDs, reducing new user abandonment and providing an instant social experience.
Allow users to share your content and their activity by broadcasting updates to friends and followers on Yahoo!, Facebook, Twitter and more.
Let your users stream their activity on your site to Yahoo! today. Whether using products from some of Yahoo!’s key partners or by rolling your own solution via Yahoo!’s Authentication and Social APIs, you can offer your users the ability to sign in with a Yahoo! ID and share activity/content through Yahoo!. Learn more »
Get your app on Yahoo! today
Using Yahoo!’s Application Platform, you can quickly bring your content and experience to Yahoo.com, My Yahoo!, Yahoo! Toolbar, and more locations soon. An OpenSocial canvas, Yahoo! makes it easy to bring your custom experience within our products. Learn more »