Steamworks Documentation
IEconService Interface
Additional Steam Economy methods that provide access to Steam Trading.

NOTE: This is a Service interface, methods in this interface should be called with the input_json parameter.

For more info on how to use the Steamworks Web API please see the Web API Overview.

GetTradeHistory

GET https://api.steampowered.com/IEconService/GetTradeHistory/v1/
NameTypeRequiredDescription
keystringSteamworks Web API user authentication key.
max_tradesuint32The number of trades to return information for
start_after_timeuint32The time of the last trade shown on the previous page of results, or the time of the first trade if navigating back
start_after_tradeiduint64The tradeid shown on the previous page of results, or the ID of the first trade if navigating back
navigating_backboolThe user wants the previous page of results, so return the previous max_trades trades before the start time and ID
get_descriptionsboolIf set, the item display data for the items included in the returned trades will also be returned
languagestringThe language to use when loading item display data
include_failedbool
include_totalboolIf set, the total number of trades the account has participated in will be included in the response

Gets a history of trades

FlushInventoryCache

POST https://partner.steam-api.com/IEconService/FlushInventoryCache/v1/
NameTypeRequiredDescription
keystringSteamworks Web API publisher authentication key.
steamiduint64User to clear cache for.
appiduint32App to clear cache for.
contextiduint64Context to clear cache for.

Flushes the cache for a user's inventory in a specific app context

NOTE: This call requires a publisher API key to use this method. As such this API MUST be called from a secure server, and can never be used directly by clients!

FlushAssetAppearanceCache

POST https://partner.steam-api.com/IEconService/FlushAssetAppearanceCache/v1/
NameTypeRequiredDescription
keystringSteamworks Web API publisher authentication key.
appiduint32

Flushes the display cache for assets. This will result in calls to GetAssetClassInfo for each asset class the next time it is displayed.

NOTE: This call requires a publisher API key to use this method. As such this API MUST be called from a secure server, and can never be used directly by clients!

FlushContextCache

POST https://partner.steam-api.com/IEconService/FlushContextCache/v1/
NameTypeRequiredDescription
keystringSteamworks Web API publisher authentication key.
appiduint32

Flushes the cache of inventory contents. This will result in calls to GetContexts and GetContextContents to get fresh data for each user next time Steam needs their inventory.

NOTE: This call requires a publisher API key to use this method. As such this API MUST be called from a secure server, and can never be used directly by clients!

GetTradeOffers

GET https://api.steampowered.com/IEconService/GetTradeOffers/v1/
NameTypeRequiredDescription
keystringSteamworks Web API user authentication key.
get_sent_offersboolRequest the list of sent offers.
get_received_offersboolRequest the list of received offers.
get_descriptionsboolIf set, the item display data for the items included in the returned trade offers will also be returned.
languagestringThe language to use when loading item display data.
active_onlyboolIndicates we should only return offers which are still active, or offers that have changed in state since the time_historical_cutoff
historical_onlyboolIndicates we should only return offers which are not active.
time_historical_cutoffuint32When active_only is set, offers updated since this time will also be returned

Get a list of sent or received trade offers

GetTradeOffer

GET https://api.steampowered.com/IEconService/GetTradeOffer/v1/
NameTypeRequiredDescription
keystringSteamworks Web API user authentication key.
tradeofferiduint64
languagestring

Gets a specific trade offer

GetTradeOffersSummary

GET https://api.steampowered.com/IEconService/GetTradeOffersSummary/v1/
NameTypeRequiredDescription
keystringSteamworks Web API user authentication key.
time_last_visituint32The time the user last visited. If not passed, will use the time the user last visited the trade offer page.

Get counts of pending and new trade offers