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.
It's not allowed to ask for passwords or have password fields in your form, all the info about login credentials, CC info or another info that may be critical is against our terms and if you're asking for this info your account will be suspended, please take a look to our terms there is stated what you cannot ask in your forms: http://www.jotform.com/terms/
Regarding to what you're trying to achieve, I would suggest you to provide us more details, we should be able to help you to achieve it.
We look forward to your response.