Japan · United States · Singapore · 12 Nov 2026
One data pipeline.
Twelve things to sell.
Every product below runs on the same engine: daily price and ranking collection, cleaning and matching, and fast static sites on Cloudflare. Everything is live now. Click any card.
Paid products
Jon's brief
Resale List 転売リスト
Products to buy on Rakuten and sell on Amazon Japan, with estimated profit after fees, weekly new/dropped alerts, a repeat-winner history and a Mercari playbook.
¥29,999/yr
Report
Bestseller Pulse Japan
Monthly analysis of Amazon Japan bestseller categories: price bands, review depth, turnover, rank climbers.
¥6,980 bundle
API
Label Lens API
Barcode to nutrition, allergens, ingredients and pack photo, with a built-in allergen check. Live tester on the page.
$499 bulk
Datasets + services
Finds Data
Five documented datasets with free samples and licence status, plus custom dataset-and-site builds.
$1.5k–3.5k builds
Consumer datasets
Novatise Data
Eleven Japan and Singapore consumer datasets: shopper demand, FAQs, menu prices, maker nutrition and allergens, cosmetic claims checked against EU CosIng. Browse every row page by page.
Consumer sites (ads / affiliate when approved)
Price tracker
Neochi Watch 値落ちウォッチ
Daily Rakuten and Yahoo price history, biggest drops, new lows.
Travel
Eat Japan Safe
Allergy and diet filter for Japanese groceries, with pack photos and a Japanese allergy card for staff.
Japan · pet / baby / outdoor
クラシ FINDS
Pet, baby and outdoor products from Rakuten, compared by price and reviews.
Japan · aquarium / food
ミズベ FINDS
Aquarium gear and Japanese food.
United States
Pantry Finds
US groceries with nutrition and shelf prices.
Singapore
Lah Finds
Singapore groceries and restaurant menus.
Japan · fishing
TACKLE INDEX
Japanese fishing gear catalogue.
The engine
| Step | What runs | When |
|---|---|---|
| Collect | Amazon.co.jp bestseller pages (public, polite, stops at any block) and Rakuten Ichiba API prices and points | Daily 03:00 |
| Match | Amazon ↔ Rakuten by model number and title similarity | Daily |
| Score | Profit after estimated Amazon fees (10% + ¥450 FBA + ¥100 shipping), hit rate over time | Daily |
| Publish | Resale List, Neochi Watch and Bestseller Pulse rebuild and redeploy on their own | Daily |
| History | pricebest archive (Aug–Oct 2026) plus new daily snapshots | Grows every day |
To start charging
1. Payments
Connect Stripe or Lemon Squeezy checkout links to the pricing buttons. Member keys are issued from one secret per site.
2. Licences
Confirm Rakuten API and Amazon terms for the paid list and report. The food datasets and API are open-licence (ODbL) and ready now.
3. Domains
Point custom domains at each site. All run on Cloudflare Pages with no server costs.
4. History depth
Every extra day of crawling sharpens the list, the tracker and the report. Turnover and new-low signals get stronger after about 30 days.