The Lifelog API is a REST-based web-service API in which developers use endpoints like User profile, Activities and Locations to get secure access to Lifelog data for a user.
The Lifelog API provides access to the life data that a user has logged through the Lifelog app, through the API host
https://platform.lifelog.sonymobile.com
You can get more details on https://developer.sony.com/develop/services/lifelog-api/