Add to cart widget compliancy list
Please see the simple steps to verify that your Add to Cart Widget complies with Facebook guidelines and best practices.
1. Positioning the widget
Your Add to Cart widget must be placed right below your main Add to Cart button on the product page. There must not be anything else in between these - Trust badges, countdowns etc.
2. There can only be one Add to Cart button on the product page
Facebook's policies adhere to having only one Add to Cart button on the product page. Other add to cart buttons such as sticky add to cart buttons - buy now buttons must be disabled.
3. Customers must know they are opting in when they click Add to Cart.
The text adjacent to the messenger checkbox must be present and it must be informative and visible.
This text can be edited from the Messenger checkbox opt-in page.