Amazon FBA Product Research Tool

Find profitable Amazon FBA products by converting Best Seller Rank (BSR) into estimated monthly sales. Calculates FBA fees, net margin, and an opportunity score (0-100) for any product or category. Built for private label sellers, wholesalers, and sourcing agents.

What you get

• BSR to monthly sales conversion (category-calibrated)
• FBA fee breakdown (referral, fulfillment, storage)
• Net margin estimate at current price
• Opportunity score (0-100) combining sales velocity, competition density, and margin
• Review count and rating analysis for competition assessment
• 30-day BSR trend (improving / declining)
• Output in deterministic JSON for sourcing and LangChain pipelines

Use cases

• Private label - validate product ideas before sourcing from Alibaba
• Wholesale - identify high-velocity ASINs with strong margin potential
• Arbitrage - quickly score products found at retail or liquidation
• Agency - run bulk opportunity analysis for FBA client portfolios
• LangChain sourcing agents - automate product validation within AI pipelines

Sample output

{
  "asin": "B07ZPKN6YR",
  "title": "Sony WH-1000XM5 Wireless Headphones",
  "bsr": 5,
  "bsrCategory": "Electronics",
  "estimatedMonthlySales": 12400,
  "estimatedMonthlyRevenue": 3467600,
  "price": 279.99,
  "fbaFees": {
    "referralFee": 39.20,
    "fulfillmentFee": 8.40,
    "storageFee": 1.20
  },
  "netMarginPercent": 82.6,
  "opportunityScore": 87,
  "reviewCount": 12453,
  "rating": 4.7,
  "bsrTrend": "IMPROVING",
  "scrapedAt": "2026-04-05T21:00:00Z"
}

Keywords

Amazon FBA research tool, BSR to sales calculator, Amazon opportunity score, FBA fee calculator, Amazon product research, BSR tracker, Amazon sales estimator, FBA profit calculator, private label research, Amazon wholesale tool, product validation FBA, Amazon sourcing tool

Integrations

Outputs clean JSON for LangChain sourcing agents, n8n, Make.com, and FBA analytics dashboards. Schedule daily runs to track opportunity score changes on a product watchlist.

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Power combo: Run TikTok Shop Scraper to find viral products trending on social, then validate with Amazon FBA Research Tool before committing to inventory.