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Last updated: June 26, 2026
Understand why a card payment gets declined by looking at the card decline values included in the Orders v2 API processor_response object for card transactions.
The following tables list possible AVS and CVV error response decline values and descriptions.
| AVS code | Meaning | Matched details |
|---|---|---|
A | Address | Address only (no ZIP code) |
B | International "A" | Address only (no ZIP code) |
C | International "N" | None. The transaction is declined. |
D | International "X" | Address and Postal Code |
E | Not allowed for MOTO (Internet/Phone) transactions | Not applicable. The transaction is declined. |
F | UK-specific "X" | Address and Postal Code |
G | Global Unavailable | Not applicable |
I | International Unavailable | Not applicable |
M | Address | Address and Postal Code |
N | No | None. The transaction is declined. |
P | Postal (International "Z") | Postal Code only (no Address) |
R | Retry | Not applicable |
S | Service not Supported | Not applicable |
U | Unavailable | Not applicable |
W | Whole ZIP | Nine-digit ZIP code (no Address) |
X | Exact match | Address and nine-digit ZIP code |
Y | Yes | Address and five-digit ZIP |
Z | ZIP | Five-digit ZIP code (no Address) |
| All others | Error | Not applicable |
| CVV2 code | Meaning | Matched details |
|---|---|---|
E | Error - Unrecognized or Unknown response | Not applicable |
I | Invalid or Null | Not applicable |
M | Match | CVV2 / CSC |
N | No match | None |
P | Not processed | Not applicable |
S | Service not supported | Not applicable |
U | Unknown - Issuer is not certified | Not applicable |
X | No response | Not applicable |
| All others | Error | Not applicable |