Card processing validating credit cards

The credit card numbers you generate on this page are completely random.

When we say they are valid, we merely imply that they are a possible combination of characters which will validate when passed through the MOD 10 algorithm.

Note that the algorithm used here is freely available across the web even

A valid credit card number has several fields and each of them has a meaning.

This means if bad information is sent to the payment gateway for processing the merchant may be charged two transaction fees for a transaction that won't be approved.

NET to process online credit card orders, it is a good idea if you can perform some sort of validation on the credit card number before submitting it to your processor.

However, we do not provide you (obviously) with the correspondent verification code for these cards, as they are completely fake and made up randomly.

For the technically inclined, this number complies to the ISO 7812 numbering standard.

An contains a six-digit issuer identification number (IIN), an individual account identification number, and a single digit checksum.

This also usually indicates a lack of experience in the proper handling of user submitted data.

Sending unvalidated user submitted data to an API, or a database, is a recipe for disaster if a malicious user comes along and decides they want to do bad things to a website.


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