What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
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Adding Birthday date to the mailchimp list is not possible. MailChimp's birthday fields can only accept month and day values, i.e., in MMDD format only. None of the built-in date fields on JotForm matches this format. That is the reason why we have not included it in our integration wizard.
We suggest adding a 'date' field to your MailChimp list instead:
In that way you will be able to map the birthday date field of your form with the Date field of your mailchimp list:
Please let us know if you need further assistance.