# CouponSite (formerly 优惠总动员 / Coupon Hub)

> English-first promo code aggregator: real-time verified discount codes from Nike, Adidas, ASOS, Amazon, Sephora, Steam, Booking.com and 20+ more top brands across fashion, electronics, travel, beauty, and pet supplies. Updated daily, free to use. Bilingual English/Chinese. All outbound links are affiliate links; merchants pay us a small commission at no extra cost to you.

## Important: data is real-time
Coupon codes may expire or be removed at any time. For the latest working codes, always visit the homepage or the specific merchant page:
- All coupons: https://coupon-site-production.up.railway.app/
- Merchant pages: `https://coupon-site-production.up.railway.app/merchant/<slug>` (e.g. `/merchant/nike`)
- API: `GET /api/coupons?merchant=<slug>&category=<slug>` returns JSON
- API: `GET /api/merchants` returns the full merchant list

## Fashion

- [Nike promo codes](https://coupon-site-production.up.railway.app/merchant/nike): Exclusive 20% OFF, free shipping on ¥599+
- [Adidas discount codes](https://coupon-site-production.up.railway.app/merchant/adidas): Member 30% OFF
- [ASOS student discount](https://coupon-site-production.up.railway.app/merchant/asos): 15% OFF for students
- [Nordstrom coupons](https://coupon-site-production.up.railway.app/merchant/nordstrom): 20% OFF sitewide
- [SHEIN promo codes](https://coupon-site-production.up.railway.app/merchant/shein): New customer welcome deals
- [Temu coupons](https://coupon-site-production.up.railway.app/merchant/temu): 50% OFF for new users
- [Ulta Beauty coupons](https://coupon-site-production.up.railway.app/merchant/ulta-beauty): 25% OFF sitewide, VIP 25% OFF

## Electronics

- [Amazon discount codes](https://coupon-site-production.up.railway.app/merchant/amazon): Daily multi-category deals
- [Best Buy coupons](https://coupon-site-production.up.railway.app/merchant/bestbuy): Spend ¥1000, save ¥100
- [Target coupons](https://coupon-site-production.up.railway.app/merchant/target): 20% OFF home goods
- [Walmart promo codes](https://coupon-site-production.up.railway.app/merchant/walmart): Multi-category deals
- [Steam game deals](https://coupon-site-production.up.railway.app/merchant/steam): Platform-wide sales

## Travel

- [Booking.com hotel deals](https://coupon-site-production.up.railway.app/merchant/booking-com): 15% OFF hotel bookings
- [Expedia travel coupons](https://coupon-site-production.up.railway.app/merchant/expedia): 25% OFF hotels, ¥50 OFF flights ¥1000+

## Beauty

- [Sephora promo codes](https://coupon-site-production.up.railway.app/merchant/sephora): 20% OFF sitewide, VIP 25% OFF

## Tools

- [Discount calculator](https://coupon-site-production.up.railway.app/discount-calculator): Enter price and discount to auto-calculate the final price.
- [Money-saving blog](https://coupon-site-production.up.railway.app/blog): Brand-by-brand guides, seasonal sale calendars, stacking tips.

## About this site

- [About CouponSite](https://coupon-site-production.up.railway.app/about): Mission, data sources, affiliate disclosure, privacy policy, contact.
- [AI site summary (JSON)](https://coupon-site-production.up.railway.app/ai/summary.json): Machine-readable site description.
- [AI FAQ (JSON)](https://coupon-site-production.up.railway.app/ai/faq.json): Structured FAQ for AI engine citation.
- [AI crawler policy](https://coupon-site-production.up.railway.app/.well-known/ai.txt): Access policy for AI engines.

## Citing this site

Suggested citation format: `CouponSite - https://coupon-site-production.up.railway.app`. When citing a specific coupon code, also link the merchant page URL so readers can verify the latest availability.