This installation will be closed soon
After 2.09.2013 installation apps.usos.edu.pl will be no longer available.
Official USOSapi installation for the Uniwersity of Warsaw is usosapps.uw.edu.pl
USOS API Reference
USOS API is a simple and fat-free REST protocol, which allows developers to access academic database. In case of this installation, you will be accessing The University of Warsaw's data, but there are many other institutions which use USOS API.
Basically, there are three ways to access USOS API:
USOS API Reference is a complete set of documentation needed in order to use the API.
Thanks for your interest!