UNIQLO Japan Prices — Typical Price and Markdown Share

Type a keyword like sweat and get what GU Japan charges for it today. Returns the typical price and lowest–highest in yen, how many items are marked down, how many were found, and the women/men/kids/unisex mix. $0.02 per keyword, no results = no charge. Unofficial.

Type a keyword like VRChat and see what creators on BOOTH Japan charge for it. You get how many items match, the typical price and the lowest-highest range, how many are still in stock, and how many shoppers saved the most popular ones. $0.02 per keyword, no results = no charge. Unofficial.

Type a watch model or reference number like 116500LN and get what JACKROAD in Tokyo asks for it. Returns the typical price and lowest–highest in yen, how many are new, used or vintage, how many are in stock, and how many are already sold out. $0.02 per keyword, no results = no charge. Unofficial.

Look up any keyword on Rakuma, Rakuten's flea market in Japan. You get one row: the typical price and the lowest-to-highest range, how many of the listings found are already sold, and the shop versus private seller mix. $0.02 per keyword, no results = no charge. Unofficial.

Type a brand or model and get what KOMEHYO, Japan's largest second-hand luxury chain, asks for it today. Returns typical price and lowest–highest, in-stock count, new vs used (S/A/B) mix, how many just sold out, and which stores hold them. $0.02 per keyword, no results = no charge. Unofficial.

Type a product keyword and get what it costs on Kakaku.com, Japan's largest price-comparison site. You get the lowest listed price, how many shops sell it, its popularity rank and review score, plus the typical price across matching products. $0.02 per keyword, no results = no charge. Unofficial.

Mercari Japan Sold Prices — What Items Really Sell For

jpmarketdata/mercari-japan-price-checker

Type one keyword or a whole list and get what each item actually sold for on Mercari Japan. Returns the median sold price (sold comps), the lowest–highest range, median days to sell and how many sold listings were found, in yen and US dollars. $0.02 per keyword, no results = no charge. Unofficial.

@cosme Japan Beauty Ranking — Top 50 Ratings & Prices

jpmarketdata/cosme-beauty-market-checker

Pick a category on @cosme, Japan's biggest beauty review site, and get its whole top-50 ranking as one summary. Returns typical rating and range (0–7 scale), typical list price and range, review counts, number of brands, how many products moved up / down / are new. $0.02 per category. Unofficial.

Enter a Japanese place name and a date, and see what a hotel night really costs on Jalan. You get the typical price per person, the lowest-highest range, how many hotels still have rooms that night, and the average guest rating. $0.02 per area checked, no results = no charge. Unofficial.

Yahoo! Auctions Japan Sold Prices — Median, Range, Bids

jpmarketdata/yahoo-auction-sold-comps

Type one keyword or a whole list and get what each item really sold for in ended auctions on Yahoo! Auctions Japan. Returns the median sold price (sold comps), lowest–highest range, bid count and how many of the sample sold, in yen and USD. $0.02 per keyword, nothing sold = no charge. Unofficial.