Systems and methods for real time reward redemption at point of sale

A system comprising:

• a sending device configured to, prior to completion of a point-of-sale transaction, generate product information identifying a product at a vendor, wherein the product information is derived from a scan of the product;
• a discount network operated by at least one server comprising at least one database storing discount records in a data structure indexed by a plurality of product identifiers;
• and
• a receiving device configured to:
• receive the product identifier from the sending device prior to authorization of the point-of-sale transaction;
• query the discount network using the product identifier to identify a discount record associated with the product and the vendor;
• and
• control authorization of the point-of-sale transaction such that the identified discount record is applied to the point-of-sale transaction before completion.

A method comprising:

• generating, prior to completion of a point-of-sale transaction, by a sending device, product information identifying a product at a vendor, wherein the product information is derived from a scan of the product;
• accessing a discount network operated by at least one server comprising at least one database storing discount records in a data structure indexed by a plurality of product identifiers;
• and
• receiving, by a receiving device, the product identifier from the sending device prior to authorization of the point-of-sale transaction;
• querying, by the receiving device, the discount network using the product identifier to identify a discount record associated with the product and the vendor;
• and
• controlling, by the receiving device, authorization of the point-of-sale transaction such that the identified discount record is applied to the point-of-sale transaction before completion.