Mastercard / ISO 8583 response code
Decline code 55: incorrect pin
What decline code 55 means
The PIN entered does not match. Relevant to card-present and some debit flows, not to recurring card-on-file billing.
Should you retry?
Ask the cardholder to re-enter the PIN. Not applicable to merchant-initiated retries.
Frequently asked questions
Is decline code 55 a soft or hard decline?
Soft decline (retryable). The PIN entered does not match. Relevant to card-present and some debit flows, not to recurring card-on-file billing.
Should I retry a payment that failed with decline code 55?
Ask the cardholder to re-enter the PIN. Not applicable to merchant-initiated retries.
Other response codes
14Invalid card number41Lost card43Stolen card54Expired card57Transaction not permitted to cardholder58Transaction not permitted to terminal62Restricted card63Security violation- All decline codes
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