The following URL demonstrates how to set language Locale for a specific user in Web via URL API in Strategy Web that would apply to All Projects connected to that Strategy Web server.
http://WebServerName/MicroStrategy/asp/Main.aspx?
locale=2057
&server=web server name
&project=project name
&uid=user
&pwd=password
&allProjects=1
&25003=Apply&evt=25008&src=Main.aspx.prefs.preferences.25008&evt=25003&src=Main.aspx.prefs.preferences.25003
&level=user_project
Sample URL
http://WebServerName/MicroStrategy/asp/Main.aspx?locale=2057&server=WebServerName&project=ProjectName&uid=demo&pwd=demo&allProjects=1&25003=Apply&evt=25008&src=Main.aspx.prefs.preferences.25008&evt=25003&src=Main.aspx.prefs.preferences.25003&level=user_project
NOTE, The list of possible values for locale parameter can be found in WEB-INF\xml\locales.xml
