AVS Response Codes

Address Verification Service, or AVS, is a fraud prevention system that, when used effectively, can help limit fraud and chargebacks.

While the idea is great, the team that designed the response codes may be due for a revisit now that technology has progressed. Hopefully, this will happen soon, but until then, here are the AVS response codes and what they mean:

Y Address & Zip match
A Address matches but zip does not
S AVS not supported
R System unavailable, retry
U Information not available
Z Zip matches, address does not
N Neither Zip nor Address matches
X Address & Zip match
December 6, 2021
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