We are aware of an SSL issue on our API and are in the process of fixing it. This issue does not pose a threat to account security.
Update (10:40 AM PST, 17:40 UTC): This issue has been resolved.
Many users are receiving incorrect “Rate Limit Exceeded” errors through the Twitter API. We are investigating the cause and will update when it is resolved.
Update (7/14/10 4:15 PM PST, 23:15 UTC): This issue has been fixed but we are running tests to ensure that there are no further problems. Please contact the Twitter Support team if you are continue to receive erroneous rate limit error messages: http://bit.ly/twicket
We’re hearing reports from developers that they’re running into some incorrect rate limits; we’re looking into it.