Does Aldi's accept credit cards? If so, which ones. This info needs to posted on web site as there is no way to make phone contact with stores.

Yes they accept all major credit cards including amex, you can as do Apple pay and Samsung Pay.

Yes, I know for certain that they accept visa and Mastercard, but have heard you can use any major credit or debit cards. They also offer a cash back option at checkout

yes, Aldi accepts credit card. I have tried Bank of America and Discover. I guess they accept all major credit cards.

I have used Visa card and I think they accept Master card.