{"item_id":31918,"name":"Bronze chainshot cannonball","url":"https://runescapetrader.com/item/31918","unit":"GP","buy_limit":100,"prices":{"instant_buy":{"gp":20,"observed_at":"2026-06-16T20:42:58Z","age_seconds":7501110,"status":"stale"},"instant_sell":{"gp":75,"observed_at":"2026-08-20T14:53:57Z","age_seconds":1906051,"status":"stale"}},"market_data_updated_at":"2026-09-11T16:21:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}