{"item_id":31668,"name":"Umbral potion (unf)","url":"https://runescapetrader.com/item/31668","unit":"GP","buy_limit":100,"prices":{"instant_buy":{"gp":2890,"observed_at":"2026-09-11T21:55:24Z","age_seconds":196,"status":"fresh"},"instant_sell":{"gp":2848,"observed_at":"2026-09-11T12:24:40Z","age_seconds":34440,"status":"stale"}},"market_data_updated_at":"2026-09-11T21:58:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}