Introduction logan is the OpenApi Platform ,thus like the TOP(Taobao Open Platform:http://api.taobao.com). The rest url of logan is thus like the following : 1)http://yourhost?method=logan.user.add&v=1.0¶m1=value1¶m=value2... 2)http://yourhost?method=logan.user.update&v=1.0¶m1=value1¶m=value2...