JUMP TOOverviewApptoto API IntroBasic AuthenticationRate LimitingUser Information/v1/userinfogetCalendars/v1/calendarsgetBooking Pages/v1/availabilitygetEvents/v1/eventget/v1/eventsget/v1/eventspost/v1/eventsdelete/v1/eventsput/v1/event/markpostTime Zones SupportedAddress Books/v1/address_booksgetContacts/v1/contactget/v1/contactsget/v1/contactspost/v1/contactsput/v1/contactsdeleteImports/v1/importpost/v1/importgetOpt-out / Opt-in lists/v1/listsget/v1/listspost/v1/listsput/v1/listsdeleteMessaging/v1/send_messagepostPowered by /v1/listsdelete https://api.apptoto.com/v1/listsThis endpoint allows you to remove an entry from an opt-out or opt-in list.