Steam wishlist API: what GetAppWishlistReporting returns

Updated 2026-11-08

GetAppWishlistReporting, part of the Financial Web API, returns one day of wishlist activity for one app: adds, deletes, purchases and gifts, split by country, language and platform. It needs a Financial API key.

The call

GET https://partner.steam-api.com/IPartnerFinancialsService/GetAppWishlistReporting/v001/ with key, appid and date (YYYY-MM-DD). Dates are GMT days (Valve).

What comes back

wishlist_summary: wishlist_adds, wishlist_deletes, wishlist_purchases, wishlist_gifts, plus wishlist_adds_windows, _mac and _linux.
country_summary: the same numbers per country, with country_name and region.
language_summary: the same numbers per Steam language.
app_min_date: the first date with data. Asking for an earlier date returns only this field.

What it does not give you

Outstanding wishlists. Add up adds minus deletes, purchases and gifts from app_min_date to get the running total.
A list of your apps. Get app ids from ISteamApps/GetPartnerAppListForWebAPIKey with a regular publisher key.
Ranges. It is one app and one day per call, so a year of history for three games is over a thousand calls.

Refresh rules

Valve refreshes wishlist data at least once a day and doesn't revise closed days, so querying yesterday and today each day is enough. Sales data is different: dates can change after settlement, and GetChangedDatesForPartner tells you which to fetch again.