JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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.
Are you referring to the direct URL of your form? If so, please click the "Embed" button then the embed form wizard will pop up. This will show you the direct form URL.
If you are referring to the custom URL, then click the button beside the direct form and the secure form check box. If you need guide then please refer to this page: http://www.jotform.com/help/261-How-to-create-a-Custom-URL-of-a-form
If you want to know how to use custom domains then please refer to this guide: http://www.jotform.com/help/144-How-to-use-Custom-Domains-with-Jotform
Hope this helps. Thank you.