IStoreService – 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.

UNDOCUMENTEDPOSTDeleteReservationPositionMessage

Marks a position is deleted and will no longer be surfaced

https://api.steampowered.com/IStoreService/DeleteReservationPositionMessage/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
edistributor		uint32	No
product_identifier		string	No
start_queue_position		uint32	No

UNDOCUMENTEDGetAllReservationPositionMessages

Marks a position is deleted and will no longer be surfaced

https://api.steampowered.com/IStoreService/GetAllReservationPositionMessages/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key

GETGetAppList

Gets a list of apps available on the Steam Store.

https://api.steampowered.com/IStoreService/GetAppList/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
if_modified_since		uint32	No	Return only items that have been modified since this date.
have_description_language		string	No	Return only items that have a description in this language.
include_games		bool	No	Include games (defaults to enabled)
include_dlc		bool	No	Include DLC
include_software		bool	No	Include software items
include_videos		bool	No	Include videos and series
include_hardware		bool	No	Include hardware
last_appid		uint32	No	For continuations, this is the last appid returned from the previous call.
max_results		uint32	No	Number of results to return at a time. Default 10k, max 50k.

UNDOCUMENTEDGetDiscoveryQueue

Get a list of games for the user to explore on the store.

https://api.steampowered.com/IStoreService/GetDiscoveryQueue/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
queue_type		EStoreDiscoveryQueueType	No	enum
country_code		string	No
rebuild_queue		bool	No
settings_changed		bool	No
settings		CStoreDiscoveryQueueSettings	No
↳ os_win		bool	No
↳ os_mac		bool	No
↳ os_linux		bool	No
↳ full_controller_support		bool	No
↳ native_steam_controller		bool	No
↳ include_coming_soon		bool	No
↳ excluded_tagids[0]		uint32[]	No
↳ exclude_early_access		bool	No
↳ exclude_videos		bool	No
↳ exclude_software		bool	No
↳ exclude_dlc		bool	No
↳ exclude_soundtracks		bool	No
↳ featured_tagids[0]		uint32[]	No
rebuild_queue_if_stale		bool	No
ignore_user_preferences		bool	No
no_experimental_results		bool	No
experimental_cohort		uint32	No
debug_get_solr_query		bool	No
store_page_filter		CStorePageFilter	No
↳ sale_filter		CStorePageFilter.SalePageFilter	No
↳ sale_tagid		uint32	No
↳ creator_clan_account_id		uint32	No
↳ content_hub_filter		CStorePageFilter.ContentHubFilter	No
↳ hub_type		string	No
↳ hub_category		string	No
↳ hub_tagid		uint32	No
↳ discount_filter		EContentHubDiscountFilterType	No
↳ optin		CStorePageFilter.ContentHubFilter.OptInInfo	No
↳ name		string	No
↳ optin_tagid		uint32	No
↳ prune_tagid		uint32	No
↳ optin_only		bool	No
↳ store_filters[0]		CStorePageFilter.StoreFilter[]	No
↳ filter_json		string	No
↳ cache_key		string	No
context		StoreBrowseContext	No
↳ language		string	No
↳ elanguage		int32	No
↳ country_code		string	No
data_request		StoreBrowseItemDataRequest	No
↳ include_assets		bool	No
↳ include_release		bool	No
↳ include_platforms		bool	No
↳ include_all_purchase_options		bool	No
↳ include_screenshots		bool	No
↳ include_trailers		bool	No
↳ include_ratings		bool	No
↳ include_tag_count		int32	No
↳ include_reviews		bool	No
↳ include_basic_info		bool	No
↳ include_supported_languages		bool	No
↳ include_full_description		bool	No
↳ include_included_items		bool	No
↳ included_item_data_request		StoreBrowseItemDataRequest	No
↳ include_assets_without_overrides		bool	No
↳ apply_user_filters		bool	No
↳ include_links		bool	No

UNDOCUMENTEDGetDiscoveryQueueSettings

Get the settings that were used to generate a user's discovery queue.

https://api.steampowered.com/IStoreService/GetDiscoveryQueueSettings/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
queue_type		EStoreDiscoveryQueueType	No	enum
store_page_filter		CStorePageFilter	No
↳ sale_filter		CStorePageFilter.SalePageFilter	No
↳ sale_tagid		uint32	No
↳ creator_clan_account_id		uint32	No
↳ content_hub_filter		CStorePageFilter.ContentHubFilter	No
↳ hub_type		string	No
↳ hub_category		string	No
↳ hub_tagid		uint32	No
↳ discount_filter		EContentHubDiscountFilterType	No
↳ optin		CStorePageFilter.ContentHubFilter.OptInInfo	No
↳ name		string	No
↳ optin_tagid		uint32	No
↳ prune_tagid		uint32	No
↳ optin_only		bool	No
↳ store_filters[0]		CStorePageFilter.StoreFilter[]	No
↳ filter_json		string	No
↳ cache_key		string	No

UNDOCUMENTEDGetDiscoveryQueueSkippedApps

Returns all the apps skipped so far in the given discovery queue for the given user.

https://api.steampowered.com/IStoreService/GetDiscoveryQueueSkippedApps/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
steamid		fixed64	No
queue_type		EStoreDiscoveryQueueType	No	enum
store_page_filter		CStorePageFilter	No
↳ sale_filter		CStorePageFilter.SalePageFilter	No
↳ sale_tagid		uint32	No
↳ creator_clan_account_id		uint32	No
↳ content_hub_filter		CStorePageFilter.ContentHubFilter	No
↳ hub_type		string	No
↳ hub_category		string	No
↳ hub_tagid		uint32	No
↳ discount_filter		EContentHubDiscountFilterType	No
↳ optin		CStorePageFilter.ContentHubFilter.OptInInfo	No
↳ name		string	No
↳ optin_tagid		uint32	No
↳ prune_tagid		uint32	No
↳ optin_only		bool	No
↳ store_filters[0]		CStorePageFilter.StoreFilter[]	No
↳ filter_json		string	No
↳ cache_key		string	No

Name	Value	Type	Required	Description
steamid		uint64	Yes

Name	Value	Type	Required	Description
steamid		uint64	Yes

UNDOCUMENTEDGetLocalizedNameForTags

Gets tag names in a different language

https://api.steampowered.com/IStoreService/GetLocalizedNameForTags/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
language		string	No
tagids[0]		uint32[]	No

UNDOCUMENTEDGetMostPopularTags

Get all whitelisted tags, with localized names.

https://api.steampowered.com/IStoreService/GetMostPopularTags/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
language		string	No

GETGetRecommendedTagsForUser

Get a set of tags that are recommended for the user based on recent playtime.

https://api.steampowered.com/IStoreService/GetRecommendedTagsForUser/v1/

Name	Type	Required	Description
language	string	Yes
country_code	string	Yes
favor_rarer_tags	bool	Yes	Biases tags towards tags that are less common. e.g. Favor Zombies over Action if the user plays the same number of games with both tags.

UNDOCUMENTEDGetTagList

Get the list of tags, localized

https://api.steampowered.com/IStoreService/GetTagList/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
language		string	No
have_version_hash		string	No	The hash returned in the last call. Will return no results if the list hasn't changed.

UNDOCUMENTEDPOSTGetUserGameInterestState

Get information about a user's relationship to a game - ownership, wishlist, discovery queue state, etc.

https://api.steampowered.com/IStoreService/GetUserGameInterestState/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
appid		uint32	No
store_appid		uint32	No
beta_appid		uint32	No

UNDOCUMENTEDPOSTGetWishlistDemoEmailStatus

https://api.steampowered.com/IStoreService/GetWishlistDemoEmailStatus/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
appid		uint32	No
demo_appid		uint32	No
allow_late_firing		bool	No

UNDOCUMENTEDPOSTMigratePartnerLinkTracking

Move UTM data from the PartnerLinkTrackingLogNoUser table to the PartnerLinkTrackingLogWithUser table

https://api.steampowered.com/IStoreService/MigratePartnerLinkTracking/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
accountid		uint32	No
browserid		uint64	No
backfill_source		EPartnerLinkTrackingBackfillSource	No	enum

UNDOCUMENTEDPOSTQueueWishlistDemoEmailToFire

https://api.steampowered.com/IStoreService/QueueWishlistDemoEmailToFire/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
appid		uint32	No
demo_appid		uint32	No
allow_late_firing		bool	No

UNDOCUMENTEDPOSTReloadAllReservationPositionMessages

Refreshes all of the caches through the store features servers

https://api.steampowered.com/IStoreService/ReloadAllReservationPositionMessages/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key

UNDOCUMENTEDPOSTSetReservationPositionMessage

Creates/Update a reservation position message for people in the queue or next queue position for people deciding to join

https://api.steampowered.com/IStoreService/SetReservationPositionMessage/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
settings[0]		CReservationPositionMessage[]	No
↳ edistributor		uint32	No
↳ product_identifier		string	No
↳ start_queue_position		uint32	No
↳ rtime_estimated_notification		uint32	No
↳ localization_token		string	No
↳ accountid		uint32	No
↳ rtime_created		uint32	No

UNDOCUMENTEDPOSTSkipDiscoveryQueueItem

Skip an item in the user's queue.

https://api.steampowered.com/IStoreService/SkipDiscoveryQueueItem/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
queue_type		EStoreDiscoveryQueueType	No	enum
appid		uint32	No
store_page_filter		CStorePageFilter	No
↳ sale_filter		CStorePageFilter.SalePageFilter	No
↳ sale_tagid		uint32	No
↳ creator_clan_account_id		uint32	No
↳ content_hub_filter		CStorePageFilter.ContentHubFilter	No
↳ hub_type		string	No
↳ hub_category		string	No
↳ hub_tagid		uint32	No
↳ discount_filter		EContentHubDiscountFilterType	No
↳ optin		CStorePageFilter.ContentHubFilter.OptInInfo	No
↳ name		string	No
↳ optin_tagid		uint32	No
↳ prune_tagid		uint32	No
↳ optin_only		bool	No
↳ store_filters[0]		CStorePageFilter.StoreFilter[]	No
↳ filter_json		string	No
↳ cache_key		string	No

UNDOCUMENTEDPOSTUpdatePackageReservations

Updates the reservations for a user

https://api.steampowered.com/IStoreService/UpdatePackageReservations/v1/

Name	Value	Type	Required	Description
key	click to set	string	Yes	Access key
packages_to_reserve[0]		uint32[]	No
packages_to_unreserve[0]		uint32[]	No
country_code		string	No