This API specifies the callback endpoints that the Issuer/Host and App Host needs to provide to the Visa Consumer Transaction Controls service. Services are Disable Enrollment, Enable Enrollment, Re-enable Enrollment and Delete Enrollment. It notifies the client that a cardholder has removed all their rules settings. Some key features include; gives cardholders the control and visibility they desire, build engagement and preference in the digital age, differentiate your cards with mobile innovation. Visa Consumer Transaction Controls allows you to offer cardholders the ability, via the issuer’s mobile banking application or online website, to set restrictions and alerts on how their cards are used.