It is not working for me today. Is supposed to return content but it is not. Just seems to have started around 5pm today, October 4th. Please let me know.
Mine is down too.
It appears to be up now: http://developer.yahoo.com/apistatus/
If you have questions or concerns about the BOSS API, reach out to them in their community for faster service: http://tech.groups.yahoo.com/group/ysearchboss/
in OAuth General Discussion YDN SDKs