I have never been able to get one of the Pay apps to work. One of them fails (on I think phone verification actually, funny) and I've never been able to resolve

I have never been able to get one of the Pay apps to work. One of them fails (on I think phone verification actually, funny) and I've never been able to resolve it even with Google One support. Then I've always been able to add cards and use tap to pay. This might explain my confusion.