Yes, they do. You have to open a Certificate of Deposit and pledge it as collateral. The limit on the credit card is equal to the amount of the CD you open.
Credit Cards are a type of charge card. American Express is a charge card brand that offers both credit and debit cards. It depends on the account type of the person using it.
An American Express credit card still has one of the lowest interest rates in the industry. It can be applied for by going online to fill out the required information.