# verify - OpenSSL application commands - perldoc - [phpMan]

## Found in /usr/share/perl/5.38/pod/perlfaq4.pod
  How do I verify a credit card checksum?
    Get the [Business::CreditCard](https://www.chedong.com/phpMan.php/perldoc/Business%3A%3ACreditCard/markdown) module from CPAN.