You can add non-WF banking destinations once you are logged in. They put up a disclaimer to expect registering the account as a recipient to take up to 3 business days.
Articles on the Internet from May of this year claim that there are no fees, even outside the WF ecosystem. However, they refuse to publish fees as they vary by account.
I do wish you luck, and I hope that it was just a matter of that link being hard to find (they definitely try to funnel you to wire instructions.)