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.
como faço para impedir inscrições em duplicidade?Asked by elietebille on January 22, 2014 at 01:50 PM
queria que quem preechesse uma vez, não pudesse preencher mais. utilizar um filtro tal como o cpf da pessoa
If you wish to prevent your form users to submit the form twice or more times just enabled our Unique Submissions function.
You can find more instructions about this function in this guide: How to set unique submission on a form
Please inform us if you need further assistance with this inquiry.
achei este link...
Your question is moved to a separate thread and shall be addressed there shortly.