A card payment can be rejected at the creation, before the money is debited. Here are the possible reasons for a reject
| Code | Raison |
|---|---|
| C01 | This account does not exist |
| C02 | Contact your bank for authorisation |
| C03 | Operation cancellation unauthorised |
| C04 | Card expired |
| C05 | Card lost |
| C06 | Card stolen |
| C07 | Check your configuration |
| C08 | Conversion rate is not found |
| C09 | Duplicated transaction |
| C10 | The usage frequency is exceeded |
| C11 | There is an opposition on the account |
| C12 | The bank is unknown |
| C13 | Invalid card number |
| C14 | Invalid PIN code |
| C15 | The transaction can't be processed |
| C16 | Invalid birthdate |
| C17 | Invalid CVV3 |
| C18 | Invalid amount |
| C19 | The amount is exceeded |
| C20 | Security violation |
| C21 | Suspicious card |
| C22 | Transaction cannot be found |
| C23 | Transaction refused by card scheme |
| C24 | Unauthorised transaction |
| C25 | Card not registered |
| C26 | Fraud detected |