Start a Payment Facilitator (PayFac) Business

1. 1

   Confirm the PayFac model actually fits you

   PayFac shines when you are a software platform or marketplace with many small merchants who want instant, frictionless onboarding under your brand. If you are just reselling to independent merchants, an ISO agreement is lighter and smarter. The whole justification for taking on merchant-of-record risk is owning the payment experience and margin inside your own software.

2. 2

   Line up a sponsor bank and processor that support PayFac

   You register as a payment facilitator through a sponsoring bank and a processor that permits the model, and they vet your underwriting, compliance, and capital. This is a real registration with Visa and Mastercard, not a signup. Some founders start with a managed PayFac-as-a-service provider to shorten the runway before going fully registered.

3. 3

   Build sub-merchant underwriting and onboarding

   As merchant of record you must underwrite every sub-merchant, running KYC, business verification, and risk scoring before funding them. The magic of PayFac is fast, near-instant onboarding, but that speed cannot mean skipping diligence. Automated, defensible underwriting is the core system you are building.

4. 4

   Own risk, funding, and reserves

   You now carry chargeback and fraud liability for your sub-merchants, and you control their funding flow and any reserves you hold. Misjudging risk can produce losses that exceed your thin per-transaction margin many times over. Real-time fraud monitoring and reserve policy are not optional.

5. 5

   Meet PCI-DSS and data-security obligations

   Handling card data across many sub-merchants raises your PCI-DSS scope and your breach exposure. Tokenization and scope-minimizing architecture protect both your merchants and your balance sheet. Security is a board-level cost of doing this business, not an afterthought.

6. 6

   Monetize the embedded processing

   Your revenue is the spread between what you charge sub-merchants and your cost from the processor, plus value-added services. Because you own the relationship and the software, you can bundle payments into subscription pricing and capture more per merchant than an ISO could. The model scales with the number and volume of sub-merchants on your platform.

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