Shows the login history of your account including IP address and location.https://api.login.yahoo.com/login/historyEdit: fixed up URL formattingInteresting - here is the relevant log snippet from my Mum's account:9 Feb, 2013 6:24 PM Browser Logged In Indonesia9 Feb, 2013 6:23 PM Browser Mail Access IndonesiaSure enough, spam sent on Saturday night at that time.