You have not been charged. When an attempt at a purchase is made you may see a pending charge on your statement. This is called an authorization hold. If the purchase is successful, the charge will go through after around 24 hours.
If the purchase is not successful and you did not receive an order confirmation, then the charge will be removed from the account, typically after 48 hours, although this can take up to 10 business days depending on your card issuer. Please contact your card issuer for further info about authorization holds.
Also, you will sometimes notice what looks like duplicate charges on a successful order. You have not been charged multiple times. This usually happens when a successful order is placed after an unsuccessful order. Here is an example of this scenario:
Robert uses QuadPay to pay for an order on UGG. The order total is $100. On his first attempt to place an order he is unsuccessful. But on the second attempt it goes through and the merchant confirms on their side.
On Robert's recent account activity, he will see two amounts of $25 on his account. $25 is the correct first installment for the order since it is an $100/4 = $25 per installment. But he should only be seeing one and not two. The other charge is a pending charge from first the attempted order. And is something that will fall off in 2 business days but can rarely take up to 10 business days.
If you ever notice a pending charge that fully post to your account, please contact us and we can look into the matter further.