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Authorize.net Integration: customers are billed twiceAsked by IndianaPrimetime on March 13, 2017 at 02:55 PM
We have had an issue with users filling out payment forms 1 time and then being billed multiple times. I have added a CAPTCHA, switched to an iframe, and have updated the form as recommend the last time we had this issue, yet it is still happening. Please advise ASAP. If we can not get this figured out, we will be forced to find another form ooption.
I checked the duplicates on the submissions page of your form, the timestamp of the duplicates are different from the first submission, some are minutes away. I think the user thinks that the form didn't submit so they click it twice/multiple times. The form won't submit until the card verification/security protocols are met.
I'm forwarding this thread to our developers so they can investigate further. If we find something useful, we will let you know here. For the meantime, I would suggest adding a note before the submit button advising users not to click the submit button twice and wait until they see the thank you message.