Card processing validating credit cards chelsea handler confirms she is dating dave salmoni

Support hours 5AM-9PM Pacific (8AM-midnight Eastern), 7 days/week.' data-inline-edit-type='wysiwyg' data-inline-edit-url='/answers/4891850' id='inline_edit_answer_4891850_body' It may be browser-related.

We offer a wide range of solutions designed to help you manage customer payments more efficiently.

Having the right equipment at the time of the sale is important.

Learn More » Accepting patient payments and managing your practice's revenue cycle.

Learn More » Turning incoming customer payments into receivables faster.

We do that with the style and format of our responses.

I searched and found this: https://en.wikipedia.org/wiki/Luhn_algorithm You were right, up to the checksum/mod test where YOU claim: "If the final sum is divisible by 10, then the credit card number is valid.

Here are some examples of valid credit card numbers and completely invalid numbers.

It may be browser-related.  If you have a second browser, you could try that, and that solves it for some people.  But the safest thing to do would be to just phone Support for troubleshooting first.

Choose either way – no matter whether this is your first time accepting cards or if you are already accepting cards through another service.

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