Systems and Methods disclosed herein relate to an application programming interface (API) server that receives, from an API client device connected to the system, one or more requests to perform an activity. The activity includes reading, editing by making additions, deletions, modifications or any combination thereof, or both reading and editing, to at least one portion of a data model comprising information related to one or more smart-devices, one or more smart-device environment structures comprising the smart-devices, or both; perform the activity based upon the one or more requests; log the activity, by storing a responsible party for the activity, based upon a vendor, user, or other party or entity associated with the API client device; and present at least a portion of the log.