{"item_id":355,"name":"Mackerel","url":"https://runescapetrader.com/item/355","unit":"GP","buy_limit":6000,"prices":{"instant_buy":{"gp":23,"observed_at":"2026-09-11T20:59:38Z","age_seconds":575,"status":"fresh"},"instant_sell":{"gp":21,"observed_at":"2026-09-11T21:02:40Z","age_seconds":393,"status":"fresh"}},"market_data_updated_at":"2026-09-11T21:09:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}