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.
Can you please tell us the URL of your form that you are having the issue.
I checked your forms but they were not integrated to MailChimp
You may want to retry also re-integration with a new MailChimp API key.
Follow this user guide: How-to-Integrate-with-MailChimp
Let us know if you are still not able to integrate successfully.