{"item_id":21646,"name":"Granite longsword","url":"https://runescapetrader.com/item/21646","unit":"GP","buy_limit":70,"prices":{"instant_buy":{"gp":23112,"observed_at":"2026-09-11T21:45:23Z","age_seconds":154,"status":"fresh"},"instant_sell":{"gp":21038,"observed_at":"2026-09-11T21:45:37Z","age_seconds":140,"status":"fresh"}},"market_data_updated_at":"2026-09-11T21:47:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}