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API References Github Support Center Status page Become a Partner

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Payment Processing Solutions

JavaScript SDK

Card Validations

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Last updated 1 month ago

We implement the following basic client-side validations with the best security practices on the Clearent servers to improve user experience and reduce errors. These validations prevent attempting the use of your website as a validator for stolen credit cards:

Card Number Validation

Card Expiration Date Validation

Card CSC/CVC Validation