GET /client/market/item. Returns the available listings for a specific item type. Pass the listing id to POST /secure/buy.
Authentication: Merchant API Key (api-key header)
Scope: CORE_ACCESS
Request
Query Parameters
* Provide either
itemId or marketHashName.
Response
Same shape asGET /client/market/item. Each listing carries offer.price, offer.reference, offer.delivery, and any sticker/charm/float details.
The
delivery filter is applied after the upstream fetch. A request for perPage=50 may return fewer than 50 items when filtering by standard or instant, because the upstream marketplace doesn’t filter at fetch time.