Simulating AVS Responses

By default, all transactions will have an AVS response of "MATCH" (address information matches). In order to simulate a different response, add a single letter code from the table below in front of the value you include for the street parameter.


AVS Code Description
X MATCH Both the address and zip code match

Address matches, but zip code does not

Z MATCH_ZIP_ONLY Zip code matches, but address does not
N NO_MATCH No part of the address matches
U NOT_PROCESSED Address information is unavailable
Q UNKNOWN Unknown response from issuer/bank
Did you find this page useful?