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The simulation mode is always available - but also requires card numbers that pass the so-called LUHN test. There is a short table below for this; You can also use real credit cards.
| Scheme | Card number | Value OrderDesc | Response | Description |
|---|---|---|---|---|
| VISA | 4111111111111111 | Test:<nnnn> | <nnnn> |
| A4 Error codes - Documentation EN Incoming - Axepta | ||||
| MasterCard | 5555555555554444 | Test:<nnnn> | <nnnn> | see: A4 Error codes |
| AMEX | 375000000000007 | Test:<nnnn> | <nnnn> | see: A4 Error codes |