Unofficial Steam Community Market API

Reference for the HTTP operations behind the Steam Community Market: discovery and search, listings and order books, pricing, account state, and buy-order and sell-listing mutations. Valve does not document or version these routes.

API reference
Authentication
Request conventions
Response variants
Examples

Base URL

All operations are served from https://steamcommunity.com.

Reference groups

Group	Contents
Discovery	Search, filters, suggestions, and the per-application filter vocabulary.
Listings	Listing data, order books, histograms, and activity.
Pricing	Current price overview and price history.
Account	Eligibility, billing state, and active listings.
Mutations	Buying a listing, buy orders, and sell listings.
Confirmations	Steam Guard confirmations that publish a sell listing.

This is an unofficial reference. It is not affiliated with, endorsed by, or maintained by Valve Corporation. "Steam" and the Steam logo are trademarks of Valve Corporation.