Methods for purchasing of goods or services over the internet. A customer has a customer account set up at a bank with associated account information. The account information includes verification information for verification parameters, such as authorized computer identification, authorized delivery addresses, authorized user identification, authorized telephone caller identification, and/or other account information. An order is placed by a user via an ordering computer which provides order information. Such order information includes verification variables used by the bank. Verification and/or authentication using one or more variables of the customer account information is used by the bank to validate the order before assuring payment to the merchant.