Do they accept credit cards as payment yet?

We accept the chip as well

Yes, Aldi's started accepting Visa, MasterCard, Discover and American Express as of March 2016. They do not have the ability for the chip cards yet, however you can still swipe your card. UPDATE: they now have the ability to accept credit or debit cards that have the security chip.

Yes

Yes, they accept credit and debit cards.

Yes the accept credit card

I believe they do accept credit credit cards but I haven't tried it myself yet.