Thanks Tom for your advice,

I've found out the issue  "Account Verification Request Form Broken" at
Twitter Help Center.
I guess that would be the reason for 401 error.

-- 
Twitter developer documentation and resources: http://dev.twitter.com/doc
API updates via Twitter: http://twitter.com/twitterapi
Issues/Enhancements Tracker: http://code.google.com/p/twitter-api/issues/list
Change your membership to this group: 
http://groups.google.com/group/twitter-development-talk?hl=en

Reply via email to