Unfortunately no, there isn't a method for making a guid to e-mail conversion. Since the GUID is utilized over many different Yahoo! services, it may correlate to many different e-mail addresses or logins, which would be the issue in converting it to something identifiable I'm afraid.
Jonathan LeBlanc
Senior Software Engineer
Yahoo! Developer Network
Twitter:
jcleblancHey there!
I'm wondering if it is even possible to get the user's email address from the GUID (if there is one). I'd love to have this information as it would be useful to display it to the user (internally we use the GUID). I did search all the headers and the OAuth tokens for such information but I was unable to find it.
I do realize that the user might change the email address and that the GUID is unique and immutable but I'd still rather display an email address.
Thanks,
Tiago Macedo