PAYMENTS SIGNAL REFERENCE ARCHITECTURE · foundation

Payment engine and payment-hub internals

Open the processing core: identity, validation, controls, routing, posting, message assembly, network release, exceptions, and the evidence plane that joins them.

Payments Signal reference architecture v1Reviewed 2026-07-2312 components12 interfaces3 stress cases

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TEXT-ONLY ARCHITECTURE

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01 / LOADING

Preparing the interactive workbench.

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