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Payment Switch Routing Graph

Route a payment through validation, BIN routing, transformation, issuer reachability, duplicate checks, timeout handling, stand-in, and response mapping.

IngressRulesRouteIssuerStand-inJournalmsgIngress validates the messagebeginner traceFocus: Ingress
Step 1 / 8Ingress validates the message

The switch checks the message shape, participant identity, security state, and basic field consistency.

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