No known rate limit

Authenticated: Yes

Method: GET

Host: store.steampowered.com

Path: /api/appuserdetails

Query Parameters:

Name	Type	Required	Description
appids	string	Yes	CSV of Steam AppIDs to return details of.

200 OK

Name	Type	Description
:appid	object	The Steam AppID
:appid.success	boolean	true if successful, else false
:appid.data	object	Information about apps & users in the context of the Steam account logged in to storefront.
:appid.data.friendswant[]	array	Array of friends who want it, and their playtimes.
:appid.data.friendswant[].steamid	string	The friend's SteamID64
:appid.data.friendswant[].playtime_twoweeks	number	The total number of minutes played in the last 2 weeks.
:appid.data.friendswant[].playtime_total	number	The total number of minutes played "on record", since Steam began tracking total playtime in early 2009.
:appid.data.friendsown[]	array	Array of friends who own it, and their playtimes.
:appid.data.friendsown[].steamid	string	The friend's SteamID64
:appid.data.friendsown[].playtime_twoweeks	number	The total number of minutes played in the last 2 weeks.
:appid.data.friendsown[].playtime_total	number	The total number of minutes played "on record", since Steam began tracking total playtime in early 2009.
:appid.data.recommendations	object	The friend recommendations
:appid.data.recommendations.totalfriends	number	Amount of friends who recommended it.
:appid.data.recommendations.friends[]	array	Array of friends who recommended it.
:appid.data.recommendations.friends[].steamid	string	The friend's SteamID64
:appid.data.recommendations.friends[].timestamp	number	The creation timestamp (UNIX) of the worded recommendation.
:appid.data.recommendations.friends[].recommendation	string	The content/text of the worded recommendation.
:appid.data.recommendations.friends[].commentcount	number	The amount of comments left on the worded recommendation.
:appid.data.added_to_wishlist	boolean	Indicates inclusion in wishlist.
:appid.data.is_owned	boolean	Indicates ownership. Omitted when false.

GET https://store.steampowered.com/api/appuserdetails?appids=440

{
    "440": {
        "success": true,
        "data": {
            "friendsown": [
                {
                    "steamid": "76561198032591844",
                    "playtime_twoweeks": 0,
                    "playtime_total": 47863
                }
            ],
            "recommendations": {
                "totalfriends": 33,
                "friends": [
                    {
                        "steamid": "76561198032591844",
                        "timestamp": 1615849266,
                        "recommendation": "FACEIT will single-handedly save this game!\n\nClassic 12v12s, ÜberCharged \nNo cheaters and cheater-bots\nProgression and Prizes\n\nPretty Pog",
                        "commentcount": 0
                    }
                ]
            },
            "added_to_wishlist": false,
            "is_owned": true
        }
    }
}