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How do I use the CreditCardPrefixGen Generator?

April Hatton
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Updated May 14th, 2026
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0.4 min read

Description

The CreditCardPrefixGen Generator generates credit cards via the Luhn algorithm defining the startIndex, cardPrefix, and cardLength. This Generator will self-increment by one with each iteration, starting from the value of the startingIndex.

Parameters

The following parameters may be configured for the CreditCardPrefixGen Generator. Items with an asterisk* are required.

  • startIndex* - Defines the initial starting index for the credit card number generation. Default is 0.
  • cardPrefix* - Defines the prefix of the credit card. Default example is 26444.
  • cardLength* - Defines the fixed length of the credit card. The exact length is necessary in order to correctly generate cards using the Luhn algorithm. Default is 16.

Example 1: Create a Valid 16-Digit Credit Card Number Starting with 26444

Sample Output