php - How can I add ZIP/Postal Code security verification to Square API for online transactions -


i've gotten few questionable orders come through on website , can't seem add additional security square verify zip/postal code on billing address of credit card add layer of security incoming orders.

square's e-commerce implementation designed (as developer) not have easy access end-user's credit card details or pii. being said, zip codes have own form field , send data square during nonce creation. see square's e-commerce doc's more info.


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