This might be also related to this http://code.google.com/p/twitter-api/issues/detail?id=1439&colspec=ID%20Stars%20Type%20Status%20Priority%20Owner%20Summary%20Opened%20Modified%20Component
We are seeing lots of people unable to validate their credentials via basic auth after changing their twitter password. On Feb 11, 12:24 am, Aaron Chu <ac3...@gmail.com> wrote: > Our authentication is not working on our production server which > defaults us to the 150 calls/hour. However, our test server > authenticates just fine and we are getting the full 20,000 there. This > problem recently came up after changing our password. We are using > curl -u user:passwordhttp://twitter.com/account/verify_credentials.xml > to check the authentication.