| CPC G06Q 20/3821 (2013.01) [G06Q 20/20 (2013.01); G06Q 20/409 (2013.01)] | 11 Claims |
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1. A method comprising:
receiving, by one or more computer processors of a POS system, payment information;
receiving, by the one or more computer processors, a communication from an electronic device of a user, wherein the communication comprises a token that corresponds to the combination of the user and the electronic device;
extracting, by the one or more computer processors, an identifier of the electronic device from header information of the communication;
receiving, by user input at an input device of the POS system, updated transaction information including a gratuity;
transmitting, by the one or more computer processors to a payment processor of a payment network, the token and the identifier of the electronic device; and
receiving, by the one or more computer processors from the payment network, a payment authorization for a transaction that indicates that the token and the identifier of the electronic device were previously registered with an issuer corresponding to the payment information,
wherein receiving the payment authorization for the transaction further indicates that an amount of the updated transaction information is less than or equal to an authorized amount for the transaction, and
wherein receiving the payment authorization further indicates that the payment processor of the issuer:
has received, from the electronic device, customer-provided updated transaction information based on optical character recognition (OCR) processing of a captured image of a physical receipt; and
has determined that an amount of the customer-provided updated transaction information matches the amount of the updated transaction information.
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