can i use my own url ?

Do you mean you want to use a custom url for your form?

If so then yes that is possible. Please see the mentioned guide methods to do this below.

#1 - https://www.jotform.com/help/261-How-to-create-a-Custom-URL-of-a-form

#2 - https://www.jotform.com/help/144-How-to-use-Custom-Domains-with-Jotform