if a delete user request is sent including the transfer parameters using either the user id or the user email address… response is 200 (not 204 as stated in the docs) the user is not deleted, and the the transfer does not take place.
https://api.zoom.us/v2/user/the_user_id?action=delete&transfer_email=email@example.com&transfer_meeting=true&transfer_webinar=false&transfer_recording=true
OR
https://api.zoom.us/v2/user/email@example.com?action=delete&transfer_email=new_email@example.com&transfer_meeting=true&transfer_webinar=false&transfer_recording=true
Thanks
Aaron