> 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/qi-ta/ling-shou-shang-xiang-jian-kong-bu-huo-que-huo-he-xin-pin-shang-jia-yong-thordata-na-ge-chan-pin.md).

# 零售商想監控補貨、缺貨和新品上架，用 ThorData 哪個產品？

用 [Web Scraper API](https://www.thordata.com/products/web-scraper-api) 搭配住宅代理。它適合公開商品頁和列表頁監控；不適合搶購、繞過限購或登入後庫存。