AXP · News · 20260825N

AI Fraud Detection

AMERICAN EXPRESS CO · 2026-08-25 · Importance 26 · Surprise 24

American Express reportedly has the lowest fraud rate among major U.S. card networks, attributed to its closed-loop network and use of artificial intelligence. The company can access both cardholder and merchant data, allowing it to detect anomalies with greater control than Visa and Mastercard, which rely on third-party issuers and acquirers. Continued investment in AI and machine learning is supporting fraud prevention, investigation efficiency, and identification of emerging fraud patterns.

Key facts

• American Express maintains the lowest fraud rate among major U.S. card networks. source