If you’re an existing Saintnet user, you can generate “Sponsorship tokens” for other people so that they can register for an account.

Simply login to Guildgate and click “Get Token”. Give the resulting token to your friend so that they can use it at the registation form.

Each token is valid for 24 hours and is tied to your account. However, there is no limit to how many tokens one can generate. Just refresh the page for a new token.