IClientCommService – Steam Web API Documentation

This page is just a reference of all the known Steam APIs, I do not know how they work. Please do not email me with questions.

https://api.steampowered.com/IClientCommService/EnableOrDisableDownloads/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
client_instanceid		uint64	No	Uses first desktop session if not specified
enable		bool	No	True to enable downloads, false to disable

https://api.steampowered.com/IClientCommService/GetClientAppList/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
fields		string	No	A combination of fields : 'all\|media\|tools\|games'
filters		string	No	A combination of state filters : 'none\|changing\|installed'
client_instanceid		uint64	No	Uses first desktop session if not specified
include_client_info		bool	No	If true, response will also include ClientData message
language		string	No	Language for app names
filter_appids[0]		uint32[]	No

https://api.steampowered.com/IClientCommService/GetClientInfo/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
client_instanceid		uint64	No	Uses first desktop session if not specified

https://api.steampowered.com/IClientCommService/GetClientLogonInfo/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
client_instanceid		uint64	No	Uses first desktop session if not specified

https://api.steampowered.com/IClientCommService/InstallClientApp/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
appid		uint32	No	appID of product to install
client_instanceid		uint64	No	Uses first desktop session if not specified

UNDOCUMENTEDPOSTLaunchClientApp

https://api.steampowered.com/IClientCommService/LaunchClientApp/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
client_instanceid		uint64	No
appid		uint32	No
query_params		string	No

https://api.steampowered.com/IClientCommService/SetClientAppUpdateState/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
appid		uint32	No	appID of product to uninstall
action		uint32	No	1 to resume downloading, 0 to pause downloading
client_instanceid		uint64	No	Uses first desktop session if not specified

https://api.steampowered.com/IClientCommService/UninstallClientApp/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
appid		uint32	No	appID of product to install
client_instanceid		uint64	No	Uses first desktop session if not specified