APIS32 - Version 2.4 APIS32 ( API Spy ) - is the best tool to examine Windows API functions used by 32 bit Windows applications. It allows to examine any known API functions call that is resolved during the program load time and is given by APIS32. APIS32 will work with Windows95/98/NT and Windows 2000 applications which will be executed on the any Win32 platforms. Now APIS32 is working perfectly under Windows NT5 and Windows 2000 !