Punchh receives API information on a receipt via the endpoint /receipt_details and it is this information that is converted into the string we see on receipts. This meaning that any details that show on Punchh receipts are sent from the POS and no calculations are made for any totals by Punchh.
Note that if the totals are incorrect for a receipt or an individual item this points to a POS integration issue as Punchh is receiving incorrect data.
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