{"uid":"cap_rXvE-l7ekcDIP372AxOUS","slug":"openweb-ninja-amazon-best-sellers-api-3efe3a0d","name":"OpenWeb Ninja — Amazon Best Sellers API","description":"40+ public web-data, SERP, e-commerce, real-estate, finance and AI-search APIs, payable per call over x402 (USDC on Base, Polygon, Arbitrum). No account or API key required. Most endpoints $0.003; AI-model endpoints $0.005.","url":"https://x402.openwebninja.com/realtime-amazon-data/best-sellers","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_k5j2Sv0WnRINKa5vACklB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time Amazon best-seller product rankings and data for a given category or department","exampleAgentPrompt":"Can you pull the current Amazon best sellers in the electronics category so I can see which products are ranking at the top right now?","exampleUseCases":[{"title":"Competitor product research for sellers","prompt":"What are the top 10 best-selling products in the kitchen and dining category on Amazon right now? I want to see what's trending before I decide what to stock."},{"title":"Gift idea discovery from rankings","prompt":"Pull up the Amazon best sellers in toys and games for me — I want to find popular gift ideas that are actually selling well right now."},{"title":"Market trend monitoring for analysts","prompt":"Get me the current Amazon best seller list for health and household products so I can track which items are dominating sales this week."}],"resultDescription":"A JSON response containing a ranked list of Amazon best-selling products in the requested category, typically including product titles, ASINs, prices, ratings, review counts, and sales rank positions as available from Amazon's real-time data.","failureModes":["Invalid or unrecognized category parameter returns empty or error response","Amazon temporarily blocks or throttles scraping resulting in incomplete data","Response schema may vary by category or be empty if Amazon changes its structure","Payment failure via x402 protocol prevents request from completing","Rate limiting if many requests are made in rapid succession"],"whenToPreferThis":"Choose this endpoint when you need real-time Amazon best-seller rankings without setting up an account or API key, and want to pay per call with USDC via x402. It is ideal for ad-hoc market research, price monitoring agents, or e-commerce intelligence workflows where Amazon product popularity data is needed on demand without a subscription commitment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:51:01.253Z","isFirstParty":false}