# Credit card validator

## ![](/files/ljqQr2auL3EOLZrAUXQw) Credit card validator

### Description <a href="#description" id="description"></a>

The Credit Card Validator transform will help you check the following:

* The validity of a credit card number. This uses a LUHN10 (MOD-10) algorithm.
* The credit card vendor that handles the number: VISA, MasterCard, Diners Club, EnRoute, American Express (AMEX),…​

| Hop Engine | <sup>✓</sup> |
| ---------- | ------------ |
| Spark      | <sup>✓</sup> |
| Flink      | <sup>✓</sup> |
| Dataflow   | <sup>✓</sup> |

### Options

* transform name: the transform name, unique in a pipeline
* Credit card field: the name of the input field that will contain the credit card number during execution
* Get only digits? : Enable this option if you want to strip all non-numeric characters from the (String) input field
* Output Fields
  * Result fieldname: the name of the (Boolean) output field indicating the validity of the number
  * Credit card type field: the name of the output field that will hold the credit card type (vendor)
  * Not valid message: the name of the output field that will hold the error message.


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