Here is the guide for Alby Extension + Nostr: https://guides.getalby.com/user-guide/v/alby-account-and-browser-extension/alby-browser-extension/features/nostr

DM me if you need an invite code for an Alby Account.

Not sure exactly what happened however we are investigating the problem from our side its functioning normally when it comes to Alby, we will let u know when the problem is fixed. Apologies for any inconvenience 🙏. Just a side note, Please, make sure to disable nos2x when using alby