A method includes receiving, via a point-of-sale
system, a request for
payment comprising a credit account information, a transaction
payment amount, and a
partial payment indicator, and querying an account
database to retrieve an available credit amount and based on the credit account information. The method further includes determining that there is an insufficient credit amount to complete the request for
payment based on the available credit amount and the transaction payment amount. The method additionally includes determining a
partial payment authorization or a denial of the request for payment based on one or more
partial payment authorization rules, the credit account information, the transaction payment amount, and the insufficient credit amount. The method also includes communicating, to the point-of-sale
system, the partial payment
authorization or the denial of the request for payment. The one or more partial payment authorization rules include a merchant
category code (MCC) rule, a percent of transaction rule, an
account status rule, a product rule, and / or a partial payment amount rule.