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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    Asked by AlexNewfield on September 23, 2015 at 09:15 PM

    Hola como puedo autenticar un usuario con User/password. y validar que el usuario ya lleno una planilla para evitar que pueda volver hacerlo....




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    JotForm Support

    Answered by Chriistian on September 24, 2015 at 05:20 AM



    Unfortunately, you cannot add a username and password field in your form as this is against our terms of use. But you can limit the user that can submit your form based on your field question using Unique Question limit. You can follow the instruction in the screenshot below to setup this.


    Do let us know if you need further assistance.