Hey @subysti. I can’t think of any way to do this after the transaction is completed, other than to either call the customer to verify. Other than that, for future online transactions, you might be able to utilize Square Risk Manager, and some rules involving 3D Secure authentication. But you’d need to review the help documentation and decide how, and if, this would work for you. Here’s a link to the Risk Manager setup document.
Chip A.
Square Expert & Innovator and member of the Square Champions group. (But NOT a Square employee, just a seller like you)
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