MaxMind's minFraud assesses the risk of online transactions by analyzing data points such as IP addresses, email domains, credit card details, and shipping information. It uses machine learning and statistical models to generate a riskScore, indicating the likelihood of fraud. The service operates via an API, enabling real-time evaluation of transactions and providing actionable data for automated decision-making. It includes features like proxy detection, geolocation checks, and device tracking to identify high-risk activities. Designed to integrate seamlessly with existing systems, minFraud helps businesses reduce fraudulent transactions, chargebacks, and manual reviews while remaining invisible to end-users.