Card networks monitor merchant disputes and fraud activity to assess transaction risk and maintain payment ecosystem standards. When dispute levels exceed acceptable thresholds, merchants may be enrolled in monitoring programs. Understanding these programs helps businesses identify risks, reduce disputes, and maintain reliable payment operations.

Visa

Navigate Visa monitoring program requirements with threshold calculations, tier-based escalation rules, and best practices with resolution steps.

Mastercard

Review Mastercard Excessive Chargeback Program thresholds, monitoring windows, and required remediation actions for merchant compliance.

Amex

Understand Amex dispute program rules, including chargeback ratio limits, program entry criteria, remediation timelines, and fee structures.

Diners and Discover

Understand how Discover Global Network monitors chargeback and fraud activity, including the recommended threshold, fees, and dispute lifecycle.