Do you have any cash on you?
Will you pay by credit card or in cash?
When I went to your house last night, I left my red bag - in there I have some cash and my glasses. (Key English Test; A2; Spanish)
I'm a bit short of cash at the moment.
There are a lot of hotels, but if you don't want to spend [any] cash you can stay at my place. (Preliminary English Test; B1; Portuguese)