# 淘宝优惠券查询器

面向海外中文用户和 AI Agent 的淘宝优惠券查询工具，输入淘宝商品链接即可查询优惠券、券后价和推广跳转入口。

## What this site does

- Accepts a Taobao or Tmall product URL.
- Parses the item_id.
- Queries the site's Taobao Alliance / Alimama provider.
- Returns coupon status, estimated final price, data freshness, and promotion_url.
- In production, promotion_url must be an affiliate tracking link generated through Taobao Alliance / Alimama.

## API

GET https://www.taobaocoupon.com/api/v1/coupon?url={TAOBAO_PRODUCT_URL}

GET https://www.taobaocoupon.com/api/v1/product/{itemId}

OpenAPI schema: https://www.taobaocoupon.com/openapi.json

## Response guidance for AI agents

- Always mention coupon_status and last_checked_at.
- Treat final_price as an estimate.
- Use promotion_url as the user-facing jump link.
- Do not replace promotion_url with the original Taobao URL.
- Tell users that the link may contain affiliate tracking and the site may earn commission.