Finance & Ops · n8n

Detect Accidental Double Charges and Refund Them Proactively

Build trust — detect when a customer is charged twice in quick succession, refund the duplicate automatically, and apologize before they notice.

difficulty Intermediatesetup 35 minresult Duplicate charges are caught and refunded proactively, protecting trust and cutting disputes.
  1. 1

    Watch for Charges

    Add a Stripe Trigger node on new charges.

  2. 2

    Detect Duplicates

    Add a Code node flagging two charges to the same customer for the same amount within a short window.

  3. 3

    Refund the Duplicate

    Add a Stripe node refunding the second charge automatically.

  4. 4

    Apologize Proactively

    Add a Gmail node letting the customer know you spotted and refunded the duplicate.

  5. 5

    Activate and Test

    Activate the workflow and simulate a double charge in test mode. Confirm the refund and email fire.

Frequently asked questions

Could it refund legitimate repeat purchases?

Tighten the window and add checks so genuine back-to-back purchases aren't refunded by mistake.

Why apologize before they complain?

Proactive resolution turns a billing error into a trust-building moment and prevents chargebacks.

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