On a hosted allGood page
The page template already knows how to render the form. Choose the form when you set up the page’s content, and it’s connected. No code to copy.On a page on your own website
Open the form and choose Add it to another site: Copy install code copies the script tag and markup straight to your clipboard. Send to your developer opens the full drawer instead: the endpoint, Form ID, the install code, and the raw HTTP contract for a custom integration, all in one place for them to work from.
Copy the install code, or open the full drawer to send to your developer.
gclid, and the like) that the script fills in from the page’s URL on its own; nobody wires those up by hand.

The endpoint, Form ID, and the install code, ready to use or minimal.
The page’s own origin has to be on the form’s allowed-origins list before it can submit. See What protects a form.