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Electronic purchasing method and apparatus for performing the same

  • US 20070185821A1
  • Filed: 01/12/2007
  • Published: 08/09/2007
  • Est. Priority Date: 12/07/2001
  • Status: Active Grant
First Claim
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1. A method for authorizing a transaction, comprising:

  • receiving an authorization request message from a merchant, said authorization request message including information identifying the transaction and a payment account number, said payment account number identifying a payment account at an issuer;

    determining that said payment account number is a limited-use account number selected from a set of limited-use account numbers;

    identifying a pre-authorization record associated with said limited-use account number; and

    transmitting an authorization response message to said merchant, said authorization response message based on the results of a comparison of said pre-authorization record with said transaction information.

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