Scraping grocery stores in Japan — price & assortment monitoring
Daily grocery e-commerce monitoring in Japan: nutrition data, ingredients, per-kilo prices and promos.
Grocery e-commerce in Japan updates prices daily and promo mechanics move in waves. Daily scraping turns that into tidy time series: unit price, discount depth and availability per delivery zone.
This list counts 9 stores; the leaders by domain authority: AEON Net Super, Tabechoku, Ito-Yokado. We collect data from large multi-level catalogs and niche shops alike: everything lands in one structure, so prices and assortment compare directly.
Brands you will meet across these stores include Topvalu, Kirkland Signature, Dyson, LG, Samsung, Sony. The product-to-brand mapping ships with the data: convenient for distribution control and shelf comparison.
We deliver data the way you need it: one-off price scraping or scheduled refresh, in Excel, CSV, JSON, XML, Google Sheets, REST API or straight into your database. We agree the field structure upfront and send a free sample first.
Fields we collect: Grocery & Food
The baseline set for this category — extended to fit your task.
title, brand, category, barcode, URL
pack size, price per kg/l/pc
regular and promo price, loyalty-card price
composition, nutrition facts, allergens
expiry information, storage conditions
stock by delivery zone and store
Jobs this scraping gets done
Daily price comparison of key items across chains.
Who discounts what, and how deep, week by week.
Your products’ presence and prices across chains.
Your own price indices by category and region.
Stores in this category in Japan
Ranked by domain authority — price scraping and scheduled price monitoring are available for any platform below.
| # | Store | DR |
|---|---|---|
| 1 | AEON Net Super |
77 |
| 2 | Tabechoku |
77 |
| 3 | Ito-Yokado |
75 |
| 4 | Costco |
74 |
| 5 | Oisix |
74 |
| 6 | KALDI |
73 |
| 7 | Pal System |
72 |
| 8 | Seijo Ishii |
70 |
| 9 | Co-op Deli |
64 |
DR (Domain Rating) — domain authority on a 0–100 scale; it reflects link-profile strength, not sales.
Top platforms: what gets scraped
Quick notes on the leaders of this list — any of them can be plugged into the same field structure.
For AEON Net Super we collect product, weight & unit price — with change history — useful for repricing and assortment control.
From Tabechoku we usually extract weight & unit price, prices & promo, ingredients & nutrition. The export arrives in the same structure as the rest of this list, so the data compares directly.
On Ito-Yokado we track the catalog and prices — prices & promo, ingredients & nutrition — one-off or on a schedule. Delivered as a file, via API or straight into your database.
For Costco we collect ingredients & nutrition, shelf life — with change history — useful for repricing and assortment control.
On Oisix we track the catalog and prices — shelf life, availability — one-off or on a schedule. Delivered as a file, via API or straight into your database.
From request to first delivery
Request & brief
Pick platforms from the list, define fields and cadence.
Data sample
We show the structure on a real catalog fragment, free.
Full collection
Entire catalogs, with quality and dedup control.
Data delivery
Excel, CSV, JSON, API or your DBMS — one-off or scheduled.
Frequently asked questions
How often can grocery prices be refreshed?
Do you capture loyalty-card prices?
Can different chains be compared on identical products?
Other categories: Japan
Store scraping for other categories in the same geography.