ASIN402

Endpoints (26 live)

• GET /api/data/topsellers — Most-rated Amazon sellers. Ordered list of seller IDs with the most ratings in a marketplace (up to 100,000). 50 credits. (0.007 USDC on Base)
• GET /api/data/bestsellers — Amazon best sellers list for any category, current or historical. Ordered ASIN list of best sellers in a category (up to 500,000 for root categories, 10,000 for sub-categories), ranked by current sales rank, by 30/90/180-day average rank, or for a past month. Deeper than the public Best Sellers page (top 100). Not charged if no list exists. (0.007 USDC on Base)
• GET /api/data/seller — Amazon seller information and storefront. Seller name, ratings, FBA usage and history for up to 100 sellers; optionally the seller's full storefront ASIN list. 1 credit per seller; storefront +9. (0.005 USDC on Base)
• GET /api/data/category — Amazon category details. Name, parent, children, product count and sales-rank thresholds for category IDs. 1 credit per category; parents=1 adds the parent tree. (0.005 USDC on Base)
• GET /api/data/category-search — Find Amazon category IDs by name. Search categories by keyword to get the IDs needed by bestsellers, finder and deals. 1 credit. (0.005 USDC on Base)
• GET /api/compare-marketplaces — Where is this product cheapest? One ASIN across 11 Amazon marketplaces. Compares one ASIN's live price on Amazon US, UK, DE, FR, IT, ES, JP, CA, IN, MX and BR, converted to USD with daily ECB rates, and returns the cheapest and most expensive marketplace, the price spread and the difference vs the US. For cross-border shoppers, arbitrage and international sellers. Notes VAT and shipping caveats. Free sample: /api/sample/compare-marketplaces (0.03 USDC on Base)
• GET /api/lookup — Barcode to Amazon ASIN lookup (UPC, EAN, ISBN). Turn barcodes into Amazon listings: give 1-20 UPC, EAN, GTIN or ISBN-13 codes and get the matching ASINs with title, brand, image, link, current buy box / Amazon / lowest prices, sales rank and estimated monthly sales. For sourcing lists, supplier catalogs and scanned products. 11 marketplaces. From $0.005; codes with no match are not charged (404 if none match). (0.005 USDC on Base)
• GET /api/product — Amazon price + price history + monthly sales by ASIN. One call, one ASIN: current buy box, Amazon, lowest new and used prices PLUS 30/90/180-day price averages and the typical 180-day price range, estimated monthly sales, sales rank, rating, review count, offer count, brand, category, image. From tracked marketplace history, not a page scrape. 11 Amazon marketplaces (domain=us, uk, de, fr, jp, ca, it, es, in, mx, br). Free sample: /api/sample/product (0.01 USDC on Base)
• GET /api/watch — Watch Amazon ASINs: scheduled price, buy box and stock checks with change alerts. Pay once to monitor 1-50 ASINs every 1h, 3h, 6h, 12h or 24h for 1-30 days. Each check records buy box, Amazon, lowest new/used price, stock, buy box seller, offer count, sales rank and rating, and logs changes as events (price drops/rises, out of stock, back in stock, buy box seller change, below your target price). Poll the free status URL with your watch key to read new events. The first check runs immediately. P (0.168 USDC on Base)
• GET /api/fba-profit — Amazon FBA profit calculator by ASIN. Should I sell this on Amazon FBA? Give an ASIN and your unit cost: returns referral fee, FBA fulfillment fee, net profit, margin, ROI, break-even cost and the maximum landed cost for a 30% ROI (the number to negotiate with suppliers). Uses the live buy box price. For Amazon sellers, wholesale and online arbitrage. Free sample: /api/sample/fba-profit (0.05 USDC on Base)
• GET /api/deal-check — Is this Amazon price a good deal? Buy now or wait. Price check against history for any ASIN: compares today's price with its 30/90/180-day averages and typical 180-day range (fake-low outlier offers filtered out) and returns a verdict (buy_now, fair_price, wait or verify_offer) with a one-line reason. Use before buying or recommending a product. Amazon price tracker / price drop check. 11 marketplaces. Free sample: /api/sample/deal-check (0.02 USDC on Base)
• POST /api/data/deals — Amazon price drops and deals feed. Products whose price just dropped (or sales rank changed), with filters for category, minimum discount, price range, rating, Amazon as seller, lowest price ever and more. Up to 150 deals per page. For deal finding, price alerts and sourcing. (0.005 USDC on Base)
• POST /api/data/finder — Amazon Product Finder: filter the whole catalog by 300+ criteria. Find ASINs matching any combination of 300+ filters: price ranges, sales rank, monthly sales, offer counts, buy box share, Amazon presence, brand, category, rating, dimensions, price drops, out-of-stock rates and more. Pass the Product Finder query as JSON in 'selection' (GET) or as the JSON body (POST). Returns ASINs; fetch details with /api/data/product. 10 credits + 1 credit per 100 results; stats=1 adds 30 credits. (0.005 USDC on Base)
• GET /api/data/search — Amazon product search by keyword, with prices and sales. Keyword search like the Amazon search bar, returning up to 10 full products per page with current prices, price history statistics, sales rank and estimated monthly sales (not just titles and links). 11 marketplaces. Add history=0 for smaller responses. (0.005 USDC on Base)
• GET /api/data/product — Amazon price history API: full product data for 1-100 ASINs. Complete Amazon price history and sales-rank history (full tracked history) plus current prices, buy box, live offers and stock, ratings history, monthly sales, variations, dimensions and fees for 1-100 ASINs (or UPC/EAN) per call. Clean JSON with ISO dates. From $0.005 per product; options like offers and buybox add credits. Use history=0 for current data only. Free sample: /api/sample/data-product (0.005 USDC on Base)
• GET /api/sell-score — Amazon product research: opportunity score 0-100. Is this product worth selling on Amazon? Scores an ASIN 0-100 from estimated monthly sales (demand), seller competition, whether Amazon sells it, price stability (price wars), review moat and price fit, with plain-language risk flags. For FBA product research, wholesale and arbitrage sourcing. Free sample: /api/sample/sell-score (0.1 USDC on Base)
• GET /api/data/finder (0.005 USDC on Base)
• GET /api/data/deals (0.005 USDC on Base)
• GET /api/data/product — Amazon price history API: full product data for 1-100 ASINs. Complete Amazon price history and sales-rank history (full tracked history) plus current prices, buy box, live offers and stock, ratings history, monthly sales, variations, dimensions and fees for 1-100 ASINs (or UPC/EAN) per call. Clean JSON with ISO dates. From $0.005 per product; options like offers and buybox add credits. Use history=0 for current data only. Free sample: /api/sample/data-product (0.005 USDC on Base)
• GET /api/data/seller — Amazon seller information and storefront. Seller name, ratings, FBA usage and history for up to 100 sellers; optionally the seller's full storefront ASIN list. 1 credit per seller; storefront +9. (0.005 USDC on Base)

+6 more endpoints.