This is a free service by @north@ꩰ.com that allows any user to add a verified URL to their bio.
Just generate a URL below and add it to your profile. The generated URL contains a link to your profile with a rel="me" tag.
Note: Due to the way Mastodon currently handles verification, the username and domain you enter here may not be the same as your canonical username.
If your canonical username is @email@example.com, but your instance website is located at social.example.com, you should use @firstname.lastname@example.org