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minFraud Support Center

Update - February 8th 2007 Version 1.1 of minFraud has been released, adding riskScore and explanation outputs. See more details and upgrade today!

minFraud Info

Applications
minFraud is a versatile tool that can be used for many applications besides credit card fraud prevention. The service can be used as an application to verify other processes such as PayPal payments, online credit card applications, and ACH transactions. This is possible because the current fields used by minFraud match fields from other applications where geographical location information is available. BIN match fields would not be used for other applications.

Risk Score
MaxMind's minFraud Risk Score is calculated by examining and weighing several risk factors associated with each transaction. You can write your own code to customize the fraud scoring algorithm, since MaxMind returns the inputs into the formula used to calculate the risk score. To customize how the risk score is calculated, modify the formula we use to calculate the risk score, using the output results returned by the minFraud service as inputs into your modified formula.

Merchant Resources

Tom Mahoney of Merchant911 sells an excellent course, Preventing E-Commerce Chargebacks, that covers every angle of preventing chargebacks, including the merchant, technical and legal side of things.

Ways to Prevent Online Credit Card Fraud
Suggested Guidelines for minFraud Usage
Client Success Stories
minFraud Terms of Use
Supported E-commerce Software
Display minFraud Logo

Additional Tools

Report Fraudulent Transactions (Client Login Required)
Online Fraud Screening Form (Client Login Required) [Form Snapshot]
Realtime Open Proxy Check

APIs

While you can write your own code to access the HTTP service, we recommend using our APIs. The APIs will reduce programming time, and automatically failover to the backup server in case the primary server is unreachable. If you would like to contribute APIs in a language that is not listed, please contact support@maxmind.com

minFraud APIs (PHP, Java, Perl, ASP, .NET and ColdFusion)
Telephone Verification APIs (PHP, Java, and Perl)

Documentation

minFraud Input/Output Fields
Explanation of minFraud Terms
minFraud Score Calculation
minFraud Risk Score FAQ
minFraud Scoring Breakdown
Open Proxy Score Explanation

Telephone Number Identification (TNI) Input/Output Fields
TNI Phone-Type Code List

ISO 3166-1 Codes (Country Codes)
ISO 3166-2 Codes (Convert US/Canada region codes to names)
FIPS 10-4 Codes (Convert world region codes to names)