Swipe bids.com
Debit money from my account

I am so upset, Swipebid .com has taken $733.00 out of my account, as I filled in a credit form thinking it was on record if I bid on something, but they are saying I signed up for zl bid pack 825bids 500 bonus. which I didnt, now they are saying its nor refundable, as I am a pensioner, I have been taken for a ride, how can they get away with this.
As soon as I got off swipebet.com I checked my bank account straight away and the money had been taken out, I got in touch with them straight away, they told me they would refund but now have told me that is not going to happen.
June