Methods and
server systems for computing fraud risk scores for various merchants associated with an acquirer described herein. The method performed by a
server system includes accessing merchant-related
transaction data including merchant-related transaction indicators associated with a merchant from a transaction
database. Method includes generating a merchant-related transaction features based on the merchant-related indicators. Method includes generating via
risk prediction models, for a
payment transaction with the merchant, merchant health and compliance risk scores, merchant terminal risk scores, merchant
chargeback risk scores, and merchant activity risk scores based on the merchant-related transaction features. Method includes facilitating transmission of a notification message to an acquirer
server associated with the merchant. The notification message includes the merchant health and compliance risk scores, the merchant terminal risk scores, the merchant
chargeback risk scores, and the merchant activity risk scores.