Not everywhere but now they are trying to make it a law that they are forced to which will mean that they do everywhere since it's easier than doing things state by state.
[edit] Since you don't want to click the link for the date. It was posted earlier today. Your date stamp is 02/15/2024. There I did it for you.
This article is dated 09/12/2022. Just thought that this sounded familiar. I think the idea was floated before 2022, but idr hearing about it before 2020. https://www.guns.com/news/2022/09/12/credit-card-companies-to-specially-code-track-gun-and-ammo-sales
(post is archived)