This site is not affiliated with guilded.gg.
This is a third-party site that implements the OAuth2 standard for Guilded accounts.
Authlink verifies account ownership for app developers and then allows them to access information through a set of limited scopes that the user explicitly authorizes.
You won't have to worry about this site until an application or bot redirects you to it. If you're eager to see how it works anyway, you can go ahead and log in here.