You should test your card transaction flows without submitting real authorizations to the card networks. To do set, add the POST field below as part of any card transaction API call.

Field Name	Format	Description
test	Integer	Set to 1 to test transactions.

Testing Transaction Declines

Card transaction declines are simulated by sending a CVV2 value of 200 or larger. The table below shows the various decline codes that you can generate.

CVV Input	Response	Message
200	0	DECLINED - Do not honor due to CVV2 mismatch\failure
201	0	PICK UP CARD - Pick up card
202	0	AMOUNT ERROR - Tran Amount Error
203	0	AMT OVER SVC LMT - Amount is more than established service limit
204	0	APPL TYPE ERROR - Call support for help with this error
205	0	CANNOT CONVERT - Check is ok, but cannot convert. Do Not Honor

Testing Address Verification Service (AVS) Responses

Card networks provide an address verification service (AVS) as part of card authorizations. You can also test various responses by sending a specific CVV.

CVV Input	Response	Message	AVS Response	CVV Response
100	1	APPROVED	X	M
101	1	APPROVED	X	P
102	1	APPROVED	X	S
103	1	APPROVED	X	U
104	1	APPROVED	X	N