{"uid":"cap_kzldk7dSVunlvDNsy29uO","slug":"agents-openwebninja-com-gtin-to-asin-319a48de","name":"GTIN to ASIN","description":"Find Amazon products by GTIN, EAN, UPC, or ISBN. Returns a list of matching ASINs along with key product attributes (title, photo, URL, price, rating, rank).","url":"https://agents.openwebninja.com/realtime-amazon-data/gtin-to-asin?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["product_identifier"],"properties":{"country":{"enum":["US","AU","BR","CA","CN","FR","DE","IN","IT","MX","NL","SG","ES","TR","AE","GB","JP","SA","PL","SE","BE","EG","ZA","IE"],"type":"string","default":"US","description":"Sets the Amazon domain, marketplace country, language and currency."},"product_identifier":{"type":"string","description":"Product identifier to look up on Amazon. Supports GTIN, EAN-13, UPC, or ISBN."}}},"responseSchema":{"type":"object","properties":{"data":{"type":"object","properties":{"products":{"type":"array","items":{"type":"object","properties":{"asin":{"type":"string","description":"Amazon Standard Identification Number (ASIN) of the matched product."},"product_url":{"type":"string","description":"Canonical Amazon product URL."},"product_rank":{"type":"integer","description":"Sales rank within the rank_category. Null when unavailable."},"product_photo":{"type":"string","description":"URL of the main product image."},"product_price":{"type":"number","description":"Displayed product price. Null when unavailable."},"product_title":{"type":"string","description":"Full product title as shown on Amazon."},"rank_category":{"type":"string","description":"Category to which product_rank applies."},"product_num_ratings":{"type":"integer","description":"Total number of customer ratings. Null when unavailable."},"product_star_rating":{"type":"string","description":"Average customer star rating. Null when unavailable."}}}}}},"status":{"type":"string","description":"The status of the response."},"request_id":{"type":"string","description":"A unique identifier for the request."}}},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"unknown","displayCostAsset":"USD","priceDynamic":true,"priceHint":null,"priceStatus":"unknown_unparsed","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"unknown","summary":"price unknown","primary":{"kind":"dynamic","protocol":"mpp","network":"tempo","amountUsd":null,"per":"call","confidence":"unknown"},"accepted":[{"kind":"dynamic","protocol":"mpp","network":"tempo","amountUsd":null,"per":"call","confidence":"unknown"}]},"paymentMethods":[{"uid":"pm_KDmkzzam7TLysClOb-juN","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"unknown","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":"agents.openwebninja.com","brandSlug":"agents-openwebninja-com-x402","brandBaseUrl":"https://agents.openwebninja.com","brandDocsUrl":null,"whatItDoes":"Looks up Amazon products by GTIN, EAN, UPC, or ISBN and returns matching ASINs with title, photo, URL, price, rating, and sales rank.","exampleAgentPrompt":"Can you find the Amazon listing for the product with UPC 012345678901 in the US marketplace? I need the ASIN, price, and star rating.","exampleUseCases":[{"title":"Barcode to Amazon listing for price check","prompt":"I scanned a product with UPC 796030114977 at the store — can you find it on Amazon US and tell me the price, rating, and sales rank so I can decide whether to buy it cheaper online?"},{"title":"ISBN lookup for book reselling","prompt":"I have an ISBN 9780307474278 and I want to know which Amazon ASIN it maps to on the US marketplace, along with the current price and how many ratings it has."},{"title":"EAN product catalog enrichment","prompt":"I have an EAN-13 code 5901234123457 for a product I'm selling — can you find the matching Amazon ASIN and grab the product title, main photo URL, and its sales rank in the UK marketplace?"}],"resultDescription":"Returns an array of matching Amazon products, each with: ASIN, canonical Amazon product URL, full product title, main product image URL, displayed price, average star rating, total number of customer ratings, sales rank integer, and the rank category. Also includes a response status and unique request ID.","failureModes":["No matching ASIN found for the provided identifier — products array is empty","Invalid or malformed GTIN/UPC/EAN/ISBN returns an error status","Product exists on Amazon but is not indexed by this identifier in the selected country marketplace","Rate limiting or quota exhaustion returns a 402 or 429 error","Unsupported country code returns a validation error","Price or rank may be null if the product listing lacks those fields"],"whenToPreferThis":"Use this endpoint when you have a physical product barcode (GTIN, UPC, EAN-13) or book ISBN and need to resolve it to one or more Amazon ASINs with enriched product data. It is the right choice for barcode-to-Amazon lookups, catalog enrichment pipelines, price comparison from physical retail, and reseller workflows where you start from a universal product code rather than a keyword or ASIN. Prefer this over keyword-based Amazon search when you have a precise identifier and need exact product matching across multiple Amazon marketplaces.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T00:34:04.540Z","isFirstParty":false,"canonicalSlug":"agents-openwebninja-com-gtin-to-asin-319a48de"}