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Error Testing Codes

When in TEST mode (either by sending test=1, or through a developer sand-box account), you can simulate various responses based on the CVV value of your processing request.

Declines are simulated by sending a CVV2 value of 200 or larger.

CVV2 Input Response 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
001 1 APPROVED A M
002 1 APPROVED B M
003 1 APPROVED C M
004 1 APPROVED D M
005 1 APPROVED E M
006 1 APPROVED F M
007 1 APPROVED G M
008 1 APPROVED I M
009 1 APPROVED M M
010 1 APPROVED N M
011 1 APPROVED P M
012 1 APPROVED R M
013 1 APPROVED S M
014 1 APPROVED U M
015 1 APPROVED W M
016 1 APPROVED Y M
017 1 APPROVED Z M
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 N
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
206 0 DECLINED T4 - Do Not Honor. Failed negative check, unpaid items
207 0 DECLINED-HELP 9999 - System Error
208 0 DUP CHECK NBR - Duplicate Check Number
209 0 DECLINED - Do Not Honor
210 0 EXPIRED CARD - Expired Card
211 0 INCORRECT PIN - Invalid PIN
212 0 INVALID CARD - Invalid Card
213 0 INVALID CAVV - Invalid Cardholder Authentication Verification Value
214 0 INVALID TERM ID - Invalid Terminal ID
215 0 INVLD R/T NBR - Invalid Routing/Transit Number
216 0 NVLD TERM ID 1 - Invalid Merchant Number
217 0 INVLD TERM ID 2 - Invalid SE Number
218 0 INVLD VOID DATA - Invalid Data Submitted for Void Transaction
219 0 MAX MONTHLY VOL - This transaction would go over the maximum monthly volume
220 0 MICR ERROR - MICR Read Error
221 0 MUST SETTLE MMDD - Must settle, open batch is over 7 days old
222 0 NETWORK ERROR - General System Error
223 0 PLEASE RETRY - Please Retry/Reenter Transaction
224 0 RECORD NOT FOUND - Record not on the network
225 0 REQ. EXCEEDS BAL. - Req. exceeds balance
226 0 SEQ ERR PLS CALL - Call support for help with this error
227 0 SERV NOT ALLOWED - Invalid request
228 0 TOO MANY CHECKS - Too many checks (Over Limit)
229 0 CALL AUTH. CENTER - Refer to Issuer'

Related Articles

An Overview of the Helcim API
New API Access
Editing or Deleting API Access
Test Credit Card Numbers
Card Tokenization

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