API stands for Application Programming Interface.
Register and Unregister SAP2000.exe file
The procedure for registering and unregistering exe file is as described below (please note that this procedure is different than the procedure for DLL files):
sap2000.exe /regserver ... to register the exe file sap2000.exe /unregserver ... to unregister the exe file
External Links
Unable to render {include} The included page could not be found.