A
Adyen8
Invalid Card Number
Hard Decline
Permanent failures that should not be retried
Do Not Retry
Retry will not succeed
Description
The specified card number is incorrect or invalid.
Recommended Action
Ask the customer to verify their card number and retry with correct details.
Common Causes
- Typo in card number
- Card number fails validation check
- Invalid BIN
Recovery Tips
- Use client-side card number validation
- Prompt the customer to re-enter their card details
Quick Reference
Code
8
Category
Hard Decline
Retryable
No
Source
Adyen
Related Decline Codes
5Non-Retryable
Blocked Card
The card used for the transaction is blocked and therefore unusable.
6Non-Retryable
Expired Card
The card used for the transaction has expired and is therefore unusable.
10Non-Retryable
Not Supported
The shopper's bank does not support or does not allow this type of transaction.
14Non-Retryable
Acquirer Fraud
The acquirer flagged the transaction as possible fraud.
Automate Payment Recovery for Adyen
Slicker automatically handles decline codes like 8 by intelligently retrying at the optimal time based on the decline reason.