In case anyone comes to the site having had an problem using Monzo at the moment, while this topic is pinned to the top of the topics list, Monzo is experiencing issues. You can see an explanation & updates here -
While you’re there, I recommend subscribing to SMS alerts so that you’ll receive notifications even if you don’t have a data connection, if you’re abroad for example.
This topic has been closed, to avoid any confusion due to users seeing posts about issues which happened in the past. So if you have any questions, please post them in a separate topic.