{"uid":"cap_0_iQPqC4HiAjMcyhPAshr","slug":"asin402-fba-profit-calculator-64d38fbf","name":"ASIN402 FBA Profit Calculator","description":"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","url":"https://asin402.com/api/fba-profit?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":["asin"],"properties":{"asin":{"type":"string","description":"Amazon ASIN, 10 characters (books: ISBN-10)"},"cost":{"type":"number","description":"Your unit cost of goods"},"price":{"type":"number","description":"Override the sell price (defaults to current buy box)"},"domain":{"type":"string","description":"Marketplace: us, uk, de, fr, jp, ca, it, es, in, mx, br. Default us"},"shipping":{"type":"number","description":"Inbound shipping per unit"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asin":{"type":"string"},"note":{"type":"string"},"title":{"type":"string"},"roi_pct":{"type":"number"},"currency":{"type":"string"},"data_as_of":{"type":"string"},"margin_pct":{"type":"number"},"net_profit":{"type":"number"},"sell_price":{"type":"number"},"landed_cost":{"type":"number"},"marketplace":{"type":"string"},"referral_fee":{"type":"number"},"fba_fee_source":{"type":"string"},"amazon_is_seller":{"type":"boolean"},"referral_fee_pct":{"type":"integer"},"fba_fulfillment_fee":{"type":"number"},"break_even_landed_cost":{"type":"number"},"max_landed_cost_for_30pct_roi":{"type":"number"}}}}}}},"responseSchema":{"type":"json","example":{"asin":"0735211299","note":"Excludes storage fees, inbound placement fees, returns and taxes.","title":"Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones","roi_pct":204.2,"currency":"USD","data_as_of":"2026-10-26T18:40:00.000Z","margin_pct":43.3,"net_profit":10.82,"sell_price":24.99,"landed_cost":5.3,"marketplace":"us","referral_fee":3.75,"fba_fee_source":"marketplace_data","amazon_is_seller":false,"referral_fee_pct":15,"fba_fulfillment_fee":5.12,"break_even_landed_cost":16.12,"max_landed_cost_for_30pct_roi":12.4}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6hGZNlbtoUhMsLfKhThN5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates Amazon FBA profitability for a given ASIN and unit cost, returning referral fee, FBA fulfillment fee, net profit, margin, ROI, break-even cost, and max landed cost for 30% ROI using the live buy box price.","exampleAgentPrompt":"I'm thinking about selling Atomic Habits (ASIN B01N5AX61W) on Amazon FBA — I can get it for $5.30 a unit. What's the net profit, ROI, and the maximum I should pay a supplier to still hit 30% ROI on the US marketplace?","exampleUseCases":[{"title":"Online arbitrage deal evaluation","prompt":"I found a book for $4 per unit with ASIN 0735211299 — can you tell me the FBA fees, net profit, margin, and ROI if I sell it on Amazon US, and what's the max I can pay to still make 30% ROI?"},{"title":"Wholesale supplier price negotiation","prompt":"I'm negotiating with a supplier on ASIN B08N5WRWNW. What's the maximum landed cost I can pay per unit to achieve a 30% ROI selling on Amazon FBA in the US marketplace?"},{"title":"UK marketplace profitability check","prompt":"Is ASIN B07FZ8S74R worth selling on Amazon FBA in the UK? My unit cost is £8 including inbound shipping of £1 — what's the margin and ROI?"}],"resultDescription":"A JSON object with the ASIN, product title, marketplace, currency, sell price (live buy box), referral fee and referral fee percentage, FBA fulfillment fee, net profit, margin percentage, ROI percentage, break-even landed cost, maximum landed cost for 30% ROI, whether Amazon itself is the seller, the FBA fee data source, and a timestamp of when the data was fetched. Excludes storage fees, inbound placement fees, returns, and taxes.","failureModes":["Invalid or non-existent ASIN returns an error","ASIN not listed in the specified marketplace returns no data","No active buy box (no current seller) may result in missing sell price","Rate limiting or payment failure for the $0.05 per call fee","Marketplace code not recognized returns validation error"],"whenToPreferThis":"Use this endpoint when you need fast, per-unit FBA economics for a specific ASIN — especially for online arbitrage, retail arbitrage, or wholesale sourcing decisions. It is ideal when you need the live buy box price automatically, want a supplier negotiation target (max landed cost for 30% ROI), or need break-even analysis. Prefer this over generic Amazon product data APIs when profit and FBA fee calculation is the primary goal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:07.831Z","isFirstParty":false,"canonicalSlug":"asin402-fba-profit-calculator-64d38fbf"}