Methods and systems for verifying customer supplied financial account information verification using debit and credit transactions

A computer system for verifying customer supplied financial account information for a customer financial account, comprising:

• the computer system electronically transmitting an electronic debit transaction to the customer financial account, based on the customer supplied financial account information;
• the computer system electronically transmitting an electronic credit transaction to the customer financial account, based on the customer supplied financial account information;
• the computer system receiving a failed transaction notification in response to the credit transaction, wherein the notification comprises corrected financial account information that the transaction was processed with the computer system sending a second debit transaction, with a new verification code, using the corrected financial information, wherein the amount of the debit transaction offsets the credit transaction;
• the computer system electronically transmitting a first statement descriptor, as part of at least one of the electronic debit transaction and the electronic credit transaction, comprising a first verification code;
• the computer system electronically receiving, from the customer, a second verification code;
• the computer system comparing the transmitted first verification code with the received second verification code with respect to each other;
• and
• the computer system verifying the customer supplied financial account information responsive to said comparing.

A computer-readable medium of instructions that when executed by a computer verifies customer supplied financial account information for a customer financial account, comprising:

• (a) electronically transmitting an electronic debit transaction to the customer financial account, based on the customer supplied financial account information;
• (b) electronically transmitting an electronic credit transaction to the customer financial account, based on the customer supplied financial account information;
• (c) electronically transmitting a first statement descriptor, as part of at least one of the electronic debit transaction and the electronic credit transaction, comprising a first verification code;
• (d) receiving a failed transaction notification in response to the credit transaction, wherein the notification comprises corrected financial account information that the transaction was processed with, and sending a second debit transaction, with a new verification code, using the corrected financial information, wherein the amount of the debit transaction offsets the credit transaction;
• (e) electronically receiving, from the customer, a second verification code;
• (f) comparing the transmitted first verification code with the received second verification code with respect to each other;
• and
• (g) verifying the customer supplied financial account information responsive to said comparing.