below are available calls on oauth playground using this api.... GetLocation is a bit confusing as to the last node. Is it a timestamp or a locationID??\
if its really a timestamp then you ought to be able to add/subtract a couple of milliseconds from it and get the exact same response.. I wonder if you can do that?
Google Latitude API v1: Delete CurrentLocation - DELETE https://www.googleapis.com/latitude/v1/currentLocation Delete Location - DELETE https://www.googleapis.com/latitude/v1/location/{locationId} Get Location - GET https://www.googleapis.com/latitude/v1/location/{locationId} List Location - GET https://www.googleapis.com/latitude/v1/location Insert Location - POST https://www.googleapis.com/latitude/v1/location Insert CurrentLocation - POST https://www.googleapis.com/latitude/v1/currentLocation Get CurrentLocation - GET https://www.googleapis.com/latitude/v1/currentLocation