{"item_id":21518,"name":"Willow bird house","url":"https://runescapetrader.com/item/21518","unit":"GP","buy_limit":250,"prices":{"instant_buy":{"gp":1165,"observed_at":"2026-09-11T20:08:45Z","age_seconds":6358,"status":"stale"},"instant_sell":{"gp":1488,"observed_at":"2026-09-11T21:52:24Z","age_seconds":139,"status":"fresh"}},"market_data_updated_at":"2026-09-11T21:54:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}