Neopets has advised that the site will be offline tonight between 9:30PM and 12AM NST.
The notice was shared across all social media as well as the Neoboards:
Hello Neopians! Heads up that our site will be down for routine maintenance tonight from 9:30 PM to 12:30 AM NST. Thanks for your patience as we do some tinkering. We look forward to welcoming you back in Neopia shortly!
We don’t anticipate any Beta updates or new site features to be added during this time.
As always these downtime periods can last longer than previously advised, so we will continue to keep you updated as it progresses!