FirstData North (real-time) Response Codes:

Transaction Responses

Code	Type	Message	CSI Pay Code
Approval Code Received	Good		A01
[EMPTY]	Hard		D27

CSC Responses

Code	Message	CSI Pay Code
M	CVV2/CVC2/CID Match	M
N	CVV2/CVC2/CID No Match	N
P	Not Processed	P
S	CVV2 should be on the card, but merchant indicated that it was not	S
U	Unknown / Issuer does not participate	U
X	Server Provider did not respond (Default)	X

AVS Responses

Code	Message	CSI Pay Code
MasterCard
R	Retry: System Unavailable; retry	00
U	Address Info is Unavailable	40
N	No: Neither address nor postal code matches	45
Z	Zip: 5-digit ZIP Matches, Address Does Not Match for US address	46
W	Whole Zip: 9-digit ZIP Matches, Address Does Not Match; For address outside the U.S, postal code matches, address does not	47
A	Address: Address Matches ZIP Does Not Match	4D
Y	Yes: Address and 5-digit ZIP Match for US address	4E
X	Exact: Address and 9-digit ZIP Match; For address outside the U.S., postal code matches, address does not	4F
S	Service Not Supported: Issuer does not support address verification	80
Amex
R	System Unavailable or Timeout	00
U	Address Information Is Unavailable	40
N	Address and ZIP Do Not Match	45
Z	9 or 5 digit ZIP Matches, Address Does Not Match	47
A	Address Matches ZIP Does Not Match	4D
Y	Address and ZIP Match	4F
S	Issuer Does Not Support Address Verification	80
Discover
U	Retry, system unable to process	00
W	No data from Issuer/Authorization system	40
G	Address information not verified for international transaction	40
N	Nothing matches	45
Z	5-digit Zip matches, address does not	46
T	Nine - digit ZIP Code matches, address does not	47
Y	Address matches, ZIP Code does not	4D
A	Address matches, five-digit ZIP Code matches	4E
X	All digits match (9-digit Zip Code)	4F

AVS Responses

Code	Message	CSI Pay Code
Visa
W	Not applicable. If present, replaced with ""Z"" by V.I.P. Available to U.S. issuers only	00
R	Retry : System unavailable, or, timed out. Issuer ordinarily performs AVS, but was unavailable. The code R is used by V.I.P. when issuers are unavailable. Issuers should refrain from using this code	00
U	Address not verified for domestic transaction.	40
S	Not applicable. If present, replaced with "U" for domestic, and "G" for international by V.I.P. Available for U.S. issuers only	40
N	No match. Acquirer sent postal/ZIP code only, or, street address only, or, both postal code and street address. Also used when acquirer requests AVS, but sends no AVS data in Field 123	45
C	Street address and postal code not verified due to incompatible formats. (Acquirer sent both street address and postal code)	45
P	Postal code match. Acquirer sent both postal code and street address, but street address not verified due to incompatible formats	47
B	Street addresses match. Postal code not verified due to incompatible formats. (Acquirer sent both street address and postal code).	4D
A	Address matches, ZIP does not. Acquirer rights not implied.	4D

AVS Responses

Code	Message	CSI Pay Code
Visa
G	Address not verified	40
I	Address information not verified.	40
N	No match. Acquirer sent postal/ZIP code only, or, street address only, or, both postal code and street address. Also used when acquirer requests AVS, but sends no AVS data in Field 123	45
C	Street address and postal code not verified due to incompatible formats. (Acquirer sent both street address and postal code)	45
P	Postal code match. Acquirer sent both postal code and street address, but street address not verified due to incompatible formats	47
B	Street addresses match. Postal code not verified due to incompatible formats. (Acquirer sent both street address and postal code).	4D
A	Address matches, ZIP does not. Acquirer rights not implied.	4D
D	Street addresses and postal codes match.	4F
M	Street address and postal code match.	4F
F	Street addresses and postal codes match.	4F

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MasterCard