When you try to get the access token aimed to set up Facebook conversion API, if the Get start button is unclickable as the screenshot below, please check again your Business Information



You need to have an email associated with this business to set up with manual setup. You can update your business email in Business Settings under Business Info. Go to Business Settings



Now, please refer to this article to generate the access token
Give Facebook more sufficient data with Conversion API

Updated on: 27 / 05 / 2022