Methods, systems, and products for verifying account transactions

A system, comprising:

• a verification application stored in memory;
• and
• a processor communicating with the memory and with the verification application,
• the system receiving a transaction request to pre-approve a credit transaction for a credit card account number, the system also receiving an electronic verification value that is currently associated with the credit card account number, the system pre-approving the credit transaction, the system assigning a new electronic verification value to the credit card account number such that the electronic verification value is changed with each transaction request and sending a response comprising both the new electronic verification value and a transaction record identifying a transaction associated with the pre-approved transaction when the credit transaction is pre-approved.

A computer program product comprising a computer-readable medium storing instructions for causing a processor to perform the following steps:

• receiving a transaction request to pre-approve a transaction for an account number;
• receiving a verification character string that is currently associated with the account number;
• pre-approving the transaction;
• assigning a new verification character string to the account number such that the verification character string is changed with each transaction request and sending a response comprising both the new verification character string and a transaction record identifying a transaction associated with the pre-approved transaction when the transaction is pre-approved.