{"item_id":10129,"name":"Barb-tail harpoon","url":"https://runescapetrader.com/item/10129","unit":"GP","buy_limit":40,"prices":{"instant_buy":{"gp":260,"observed_at":"2026-10-26T03:57:37Z","age_seconds":79541,"status":"stale"},"instant_sell":{"gp":250,"observed_at":"2026-10-26T03:57:36Z","age_seconds":79542,"status":"stale"}},"market_data_updated_at":"2026-10-26T04:47:27Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}