{"item_id":31920,"name":"Iron chainshot cannonball","url":"https://runescapetrader.com/item/31920","unit":"GP","buy_limit":100,"prices":{"instant_buy":{"gp":500,"observed_at":"2026-09-07T18:53:13Z","age_seconds":336489,"status":"stale"},"instant_sell":{"gp":500,"observed_at":"2026-08-28T11:46:57Z","age_seconds":1226065,"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"}}