{"uid":"cap_UQkCQq0RuhhF6BgsnIjAn","slug":"asin402-seller-info-storefront-api-3e26a70f","name":"ASIN402 Seller Info & Storefront API","description":"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.","url":"https://asin402.com/api/data/seller?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["seller"],"properties":{"domain":{"type":"string","description":"Amazon marketplace: us, uk, de, fr, jp, ca, it, es, in, mx, br. Default us."},"seller":{"type":"string","description":"Seller ID, or comma-separated list of up to 100 (storefront allows only one)."},"storefront":{"enum":[0,1],"type":"integer","description":"1 = include the seller's ASIN list (up to 100,000). +9 credits."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"_meta":{"type":"object","properties":{"cached":{"type":"boolean"},"price_paid":{"type":"string"},"marketplace_domain_id":{"type":"integer"}}},"sellers":{"type":"object","properties":{"A2L77EE7U53NWQ":{"type":"object","properties":{"hasFBA":{"type":"boolean"},"sellerId":{"type":"string"},"sellerName":{"type":"string"}}}}}}}}}}},"responseSchema":{"type":"json","example":{"_meta":{"cached":false,"price_paid":"$0.005","marketplace_domain_id":1},"sellers":{"A2L77EE7U53NWQ":{"hasFBA":true,"sellerId":"A2L77EE7U53NWQ","sellerName":"Sample Seller"}}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3EqNA9b5m6idlC-GiMODN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches Amazon seller profile data (name, ratings, FBA usage, history) for up to 100 sellers, with optional full storefront ASIN list","exampleAgentPrompt":"Can you look up the Amazon seller A2L77EE7U53NWQ on the US marketplace — I need their seller name, ratings, and whether they use FBA?","exampleUseCases":[{"title":"Vetting a competitor's Amazon storefront","prompt":"I want to research Amazon seller A3P5ROKL5A1OLE on the US marketplace — can you get me their name, ratings, and FBA status, and also pull their full list of ASINs they sell?"},{"title":"Bulk FBA check for supplier shortlist","prompt":"Can you check whether these Amazon sellers use FBA: A1XB2C3D4E5F6G, A7H8I9J0K1L2M3, A4N5O6P7Q8R9S0 — I need their names and FBA status on the US marketplace."},{"title":"Checking seller reputation on Amazon UK","prompt":"Look up Amazon seller B01234ABCDE on the UK marketplace and tell me their seller name, ratings history, and whether they use FBA."}],"resultDescription":"A JSON object containing a sellers map keyed by seller ID, each with sellerName, sellerId, and hasFBA (boolean). Also includes _meta fields: cached status, price paid, and marketplace_domain_id. If storefront=1 is requested, the seller's full ASIN list (up to 100,000 ASINs) is included.","failureModes":["Invalid or non-existent seller ID returns empty or missing seller entry","Storefront requested for multiple sellers (only one allowed) — returns error","Unsupported marketplace domain code returns error or defaults to US","Rate limiting or credit exhaustion returns 402 or error response","Seller has no ratings history — fields may be empty or null"],"whenToPreferThis":"Use this endpoint when you need structured seller profile data from Amazon — especially FBA status, seller ratings, or a complete product catalog for one or more sellers. Ideal for competitive research, supplier vetting, or marketplace intelligence. Prefer this over product-level endpoints when the subject of interest is the seller entity rather than a specific ASIN. The batch capability (up to 100 sellers per call) makes it efficient for bulk seller screening.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:39:40.016Z","isFirstParty":false,"canonicalSlug":"asin402-seller-info-storefront-api-3e26a70f"}