Credit card usage management system, credit card usage management method, program, and information storage medium

Abstract

Provided is a credit card usage management system, which allows a credit card to be used to an extent that surpasses a credit limit defined within a fixed period without increasing the credit limit. A credit card usage management devicestores a statement data history including a used amount and a date of use of a credit card, identification information on a deposits-and-savings account, and an available credit for the credit card in association with identification information on the credit card, identifies pieces of statement data selected by a user from among, of stored pieces of statement data, pieces of statement data whose date of use falls within a given period based on data received from a user terminal, transmits a settlement request to settle a selected statement total amount, which is obtained by summing up the used amounts respectively included in the identified pieces of statement data, from the stored deposits-and-savings account, to a settlement processing server for managing the deposits-and-savings account, and adds the selected statement total amount to the stored available credit when a completion notification of a settlement based on the settlement request is received from the settlement processing server, to thereby update the selected statement total amount.