American Express Travel Related Services Company, Inc.

Wendy MacDonald

James H Marsden

Timothy John Roe

Alisa J Copeman

A system for authorizing a reward card transaction includes an account server configured to receive an authorization request for a transaction performed using the reward card. The system also is configured to compare the amount of the transaction to an available balance in a bank account linked to the reward card and authorize the transaction based on the comparison. The system further is configured to transmit an authorization for the transaction. A system updating a credit limit on a reward card includes an updating module configured to receive amounts of authorized reward card transactions and amounts of authorized bank account transactions. The system also is configured to update a credit limit on a reward card based on the reward card transaction amounts and/or the bank account transaction amounts.

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Sussex, United Kingdom

Wendy MacDonald