As a last resort or if specifically advised by Steam support or a developer, you might need to manually create the steam-api.ini file:
: The file might have been moved or deleted manually during folder cleanup. Steam Community How to Fix It Steam_api.dll errors and how to fix it - ThinkMobiles missing steam-api.ini file
The "missing steam-api.ini file" is a classic tech-support mystery, often found in the corners of gaming forums. While most modern games rely on a .dll (a dynamic link library) to talk to Steam, certain older titles or "modified" versions of games use an .ini file to tell the program exactly how to behave. As a last resort or if specifically advised