This is the most common "init download" scenario for non-gaming applications. You are initializing an HTTP connection, not the Steam client.
I notice you've mentioned "steam api init download" — this looks like a command snippet, but it’s not a standard Steam Web API command. steam api init download
: Enable the Online Subsystem Steam plugin in your project settings. 2. Initializing SteamAPI_Init This is the most common "init download" scenario
#include <iostream> #include "steam/steam_api.h" steam api init download