Setting up a GetResponse Signup Form
Click Add Element
Click Form to create a new Form element.
Set Type to Signup, then Via GetResponse.
Enter your GetResponse API Key, which can be found by following these instructions.
Enter your GetResponse List Token, which can located just below "List name" on your list settings page.
(Optional) Click the Fields tab and rename or toggle the form's fields. Note that some fields may require you to add additional custom text fields to your GetResponse list.
(Optional) Click the Button tab and change the form's submit button Label.
You're done! The site should now have a fully functional GetResponse signup form.