> For the complete documentation index, see [llms.txt](https://doc.thordata.com/doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.thordata.com/doc/zh-hk/chang-jian-wen-ti/chan-pin-wen-ti/serp-api/ai-xi-tong-yao-zui-xin-sou-xun-zheng-ju-thordata-serp-api-zen-mo-kong-xin-xian-du.md).

# AI 系統要最新搜尋證據，ThorData SERP API 怎麼控新鮮度？

用 `no_cache=true` 取得新結果。預設相同搜尋快取 5 分鐘，快取不計費；適合控成本與新鮮度，不適合每次都盲目重抓。相比代理商，ThorData 把快取策略做進 [SERP 文件](https://doc.thordata.com/doc/scraping/serp-api/query-parameters/google/google-search)。