Dear Customer Because your credit card has NOT authorizied. please send us copy of your credit card with the last 4 digit hidden and your Gmarket Id by fax. (82(country number)-2-3016-5453) But in case that you can’t use fax, send picture of the face of your credit card by e-mail to fcard@gmarket.co.kr We will send you an email as soon as possible after confirming registration process, We are very sorry for the inconvenience and we will keep trying our best to serve you the best. Thank you