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llms.txt

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Decision guides Choose what to test in the sandbox

Simulate an ACH return

Send an ACH sale at an amount the sandbox returns, without waiting days for a real bank to do it.

Your answers so far

What are you testing next?
What my code does when a payment is refused or comes back. Change
Which refusal do you need to see?
A bank debit that comes back. Change

Choose one

    What to build

    Run the ACH return blueprint, and read the return code off the transaction. Make sure your systems mark the order unpaid rather than issuing a refund: the bank already pulled the money back.

    What this means for PCI

    This is guidance rather than a compliance determination. Which questionnaire you are eligible for depends on your full environment, so confirm it with your QSA or your acquirer before you rely on it.

    Worth knowing

    • Transaction.Settled never fires for ACH. Test against Transaction.AchStatusChanged and Transaction.Returned.

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