How can I add my form to my email signature?

Hi,

You meant you want to send the form via the email? 

You can just add  the form URL in your email message.

Example:

https://www.jotform.us/form/61448261171149

You can also send the form via email within the Form Builder.

User guide: https://www.jotform.com/help/303-How-to-send-a-form-via-email

Hope this help. Let us know if you need further assistance.