In order to access data in your application, you’ll need to get a Yahoo API key and configure it to use . You can do this by creating a project for your application.
To safeguard user data and authenticate API calls,
we are limiting all access to the Yahoo Social Directory APIs
to secure SSL connections only.
No user data will be accessible over HTTP from this date onwards.
Thus, your applications must use SSL connections when making requests to
to access Yahoo contacts/profile
If you believe your application will exceed the rate limit, please contact us to request a higher rate limit for your application.
Previous versions of the Social Directory API utilized a Web Service as a way to access user's Social Directory data. Documentation for the previous Social Directory web service remain available, including a screencast explaining its use and the PHP and Flash SDKs.
Join the conversation on the developer forum to get help and touch base with other developers.