ANNOUNCEMENT
Mastercard MMP requirements 2026
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Transaction Laundering Detection
Ongoing detection of hidden transaction laundering activity

Identify merchants that appear legitimate but process payments for prohibited or illegal activity after onboarding.

Key benefit

Merchant portfolios are continuously analyzed

Transaction Laundering Detection evaluates merchants across the portfolio to identify relationships with known laundering networks and suspicious payment behavior.

Key benefit

Hidden laundering relationships are uncovered

Network analysis and test transactions reveal payment paths between violating sites and seemingly legitimate merchants.

Key benefit

Findings are validated and prioritized

Automated detection combined with expert analyst review confirms laundering activity and classifies findings by severity.

Key benefit

Risk teams review findings and take action

Confirmed and suspected transaction laundering activity is presented as structured cases with supporting evidence for investigation, documentation, and enforcement decisions.

Common Questions

Clear answers about how Transaction Laundering Detection operates and what teams receive.

Does it…

Does it detect transaction laundering across my merchant portfolio?

Yes. Transaction Laundering Detection analyzes merchants across the portfolio to identify connections to known laundering networks and suspicious payment activity.

Does it identify merchants that appear legitimate but support prohibited activity?

Yes. The solution identifies merchants that appear legitimate but process payments for prohibited or illegal activity.

Does it use test transactions?

Yes. Test transactions are used to reveal payment paths between violating sites and merchants.

Are findings validated by analysts?

Yes. Automated detection is supported by analyst review to confirm laundering activity and reduce false positives.

Does it prioritize laundering findings by severity?

Yes. Confirmed findings are categorized and prioritized to support consistent decision‑making.

Does it present findings as cases?

Yes. Laundering activity is delivered as structured cases with supporting evidence.

Does it help reduce card network exposure?

Yes. Early detection and validated evidence support action to reduce the risk of card network assessments.

Can I…

Can my team review cases and document decisions?

Yes. Teams can review findings, document investigation outcomes, and apply enforcement actions within the platform.

Can results be accessed via API?

Yes. Transaction laundering leads and case actions can be accessed through the platform or integrated via APIs.

Can I submit suspicious merchants for review?

Yes. Transaction Laundering Detection facilitates deep-dive investigative submissions for merchants identified internally as potential risks.

What do I get…

Ongoing transaction laundering detection

Continuous analysis to identify merchants engaged in transaction laundering activity.

Supporting evidence for investigation

Validated findings, test transaction results, and analyst notes to support enforcement decisions.

Audit‑ready case records

Documented cases, actions, and outcomes to support internal review and regulatory oversight.