What parameters are needed to remove contacts from specific categories via the API Christine Sharp February 16, 2023 15:33 Updated Follow The SOAP MemberRemoveFromCategory call requires two parameters: CategoryID and MemberID. Additional API documentation for this call can be found here. Related articles Do API calls return created or completed date? Can I use the API with my custom table? What time zone is the API using and what is the proper date/time format for API calls? Comments 0 comments Article is closed for comments.