The preview is using a test key, so it's likely they show everything just for testing reasons.
Oh they mean connected on the users Stripe account or the companies? I thought OP meant some iOS API to see if they have Apple wallet set up with an active card.
I'm guessing there will still be a link if the company supports it if it's the former (first party user level).
How is this handled on web forms? I have neither of those but it shows up on the preview.
I don't care, I think it's fine ala login via Google/FB links on login forms being on top. I'm just curious!