Documentation

Transaction verification error

Transaction verification error message & redirect to /wc-api/epdq_checkout/

This error means your SHA IN & OUT has symbols in them that are causing an issue. Best only to use letters and numbers if you get this issue. Once you have changed these, remove all items from the cart, add new items and finish the order.

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Important Notice: Barclaycard ePDQ will be discontinued in March 2026. Our ePDQ plugins will remain functional until then, but we recommend switching to an alternative payment gateway before that date.   Read more