Offsite links are not allowed unless they are to Recommended Neopets fan sites. Please read more here. You can mention social media platforms, but not any account usernames in particular.
Example:
Allowed:
I spent all day on YouTube…
Not Allowed:
My username on Twitter is bumblebee98364
For safety and privacy reasons, Neopets does not allow the sharing of social media accounts on the site. This rule helps protect players from potential harassment, scams, and other risks that can arise from sharing personal contact information.