Twitter said the outage was due to an error in a routine change.
Twitter has resolved a service outage, which prevented users to connect to the microblogging service to send or receive updates for about half an hour on Monday.
The company said in a blog post that: "Due to an error in a routine change, Twitter was not available from 1:08pm PDT to 1:33pm PDT. We rolled back the erroneous change as soon as we identified the issue."
"Additionally, some users may have experienced Tweet delivery delay from 1:33pm PDT and 1:53pm PDT. We apologise for the inconvenience," Twitter added.
Apart from problems with the main feed, some users reported that the connect and discover tabs were also were not working properly on the desktop and some mobile versions of Twitter.
In July 2012, Twitter has also experienced a similar outage, with millions of users were unable to access their accounts.
Twitter blamed the outage on a dual data centre failure with a fault in one data centre was compounded by a fault at another that was supposed to provide back up.