Canceled three orders by credit card for no reason. First, they told me it was the bank (credit card issuer); the bank confirmed it was not them. Then APMEX told me it was because my billing address for the credit card was wrong and they would fix that. Finally they told me (third call to customer service) that I had to establish a history of paying by other methods such as wire before they would accept my credit card. This is the only vendor I have ever had a problem with; perfect credit and long history with credit card use. Avoid APMEX and find someone who appreciates your business.