Why it matters

Payment-handling agents need PCI. Understanding shapes safe integration.

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The architecture

Card data: PAN, expiry, CVV.

Scope: any system processing/storing/transmitting card data is in-scope.

PCI scope strategyCard data scopein-scope systemsReduce scopetokenize earlyPCI controlson in-scope onlyNever let LLM see raw card data; use tokens + payment gateway
PCI approach.
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How it works end to end

Never send card data to LLM prompts.

Tokenize: use payment gateway tokens instead.

Segment: LLM app outside PCI scope; payment layer in-scope.

Regular scans + assessments.