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Understanding Underwriting Models Across PSPs, PayFacs, and Acquirers
The merchant landscape is more diverse than ever, and so are the risks. While Payment Service Providers (PSPs), Payment Facilitators (PayFacs), and Acquirers all share the goal of enabling commerce, their approaches to risk assessment vary significantly based on their regulatory exposure and place in the payment flow. This guide breaks down the core differences in underwriting models, exploring how each entity balances automated speed with manual due diligence to manage fraud, credit, and compliance risks.

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What is Merchant Underwriting
Merchant underwriting is the critical risk-assessment process that determines a business’s eligibility to process payments. This overview breaks down how the process works and examines the key factors underwriters evaluate, such as financial stability and industry risk. It also explores how automation is transforming onboarding from a weeks-long bottleneck into a competitive advantage.

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Transaction Laundering Detection for New Merchant Onboarding
Gain an evidence-based approach to identifying transaction laundering at the new Merchant ID (MID) stage, with operational controls and investigation protocols designed for acquirers, PayFacs, and payment risk teams.

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Mastercard MMSP and Brand Integrity
This guide breaks down the 2026 MMP update into a practical checklist: what data to collect, how to monitor public and gated content, what to document for audits, and how to run investigations and remediation within 15 days to limit BRAM risk.
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