Mercury Response Codes
NOTES:
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This response code list is for reference purposes only.
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This info is considered accurate as of time of publication.
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The response code list is subject to change, without notice
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Please use ‘FinalStatus’ to determine the transaction’s status. Use ‘resp-code’ and ‘MErrMsg’ to determine reason, if declined.
| respcode | MErrMsg |
| 001 | Refer to Issuer |
| 002 | Refer to Issuer |
| 003 | Invalid to Merchant ID |
| 004 | Pick up card |
| 005 | Authorization declined |
| 006 | Reversal was successful |
| 007 | CVV Failure |
| 008 | Approved with positive ID |
| 012 | Invalid transaction code |
| 013 | Invalid amount |
| 014 | Invalid account or Amex CID failure |
| 019 | Please retry |
| 054 | Invalid expiration date |
| 055 | Incorrect PIN |
| 058 | Merchant not setup for transaction code used |
| 075 | Maximum PIN number entry attempts exceeded |
| 094 | Transaction entered is a duplicate |
| 0C1 | System unavailable |
| 0N1 | The account number for a void or adjustment does not match stored value |
| 0N2 | The amount entered for a void or adjustment transaction does not match stored value |
| 0N3 | The item number entered for a void or asjustment transaction is incorrect |
| 0N4 | An adjustment or item review was attempted on a transaction previously voided or reversed |
| 0N5 | Terminal has not been balanced within time specified in the Mercury Payments Merchant master file |
| 0N6 | Terminal has not been balanced within time specified in the master file, but merchant is setup to perform extra transactions before balancing |
| 0N7 | Override transaction is attempted on a non-duplicated transaction |
| 0N8 | Format od the transaction is incorrect |
| 0NA | Reversal transaction is attempted on a transaction that is not in the open batch on the host |
| 0NC | Approved but not captured (applies only to credit card transactions) |
| 0NE | Approved but this EDC merchant is not setup to capture this card type |
| 0NF | Acquiring Bank ID entered is incorrect |
| 0P0 | Transaction not supported by EFT Network or card issuer |
| 0P1 | Approved debit card transaction |
| 0P2 | Mercury Payments Gateway is down |
| 0P3 | Mercury Payments Gateway link timed out |
| 0P4 | Mercury Payments Gateway cannot contact EFT network or EFT Group ID is incorrect |
| 0P5 | Merchant is not setup for debit on Mercury Payments merchant master file |
| 0P6 | Debit card not on issuer file |
| 0P7 | EFT network cannot contact issuer |
| 0P8 | Card is not eligible for POS |
| 0P9 | Type of account entered cannot be accessed |
| 0PA | No sharing arrangement for this card |
| 0PB | Mercury Payments Gateway financial institutio ID not setup |
| 0S0 | Match on SCAN file. Routing/transit number on the negative file |
| 0S1 | The license or ID number entered during a check authorization transaction is incorrect |
| 0S2 | State code entered is incorrect |
| 0T1 | EDC application down, try later |
| 0T2 | Debit application down, try later |
| 0T3 | SCAN application is down, try later |
| 121 | Exceeds withdrawal amount limit |
| 123 | Exceeds withdrawal frequency limit |