{"uid":"cap_zaiEJ9MqnCwx-lK0cqd4r","slug":"strale-marketplace-fee-calculator-c496e9fa","name":"Strale Marketplace Fee Calculator","description":"The trust layer for AI agents — 250+ independently tested data capabilities across 27 countries. Execute capabilities via REST, MCP, A2A, or x402 micropayments. Every call returns an audit record with cryptographic chain hashing.","url":"https://api.strale.io/x402/v2/marketplace-fee-calculate","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["marketplace","sale_price"],"properties":{"category":{"type":"string"},"sale_price":{"type":"number"},"marketplace":{"type":"string","description":"amazon/ebay/etsy/shopify"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.054","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":"$0.054/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.054","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.054","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_KTFCXhDZpD4kxVN8DZDAD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.054","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates the marketplace fee for a given sale price on Amazon, eBay, Etsy, or Shopify, optionally filtered by product category.","exampleAgentPrompt":"What's the marketplace fee if I sell something for $79.99 on Amazon in the electronics category?","exampleUseCases":[{"title":"Amazon electronics fee lookup","prompt":"I'm about to list a pair of wireless headphones for $89.99 on Amazon — can you calculate the marketplace fee for electronics so I know my actual take-home?"},{"title":"eBay fee check before listing","prompt":"I want to sell a vintage watch for $250 on eBay. What's the marketplace fee I should expect to pay?"},{"title":"Etsy handmade goods fee estimate","prompt":"I'm pricing a handmade candle at $28 on Etsy. Can you calculate what the marketplace fee will be so I can set the right margin?"}],"resultDescription":"Returns the calculated marketplace fee for the given sale price on the specified platform, including the fee amount (likely in currency) and potentially the fee rate or percentage. May include a cryptographic audit record per Strale's trust layer.","failureModes":["Missing required 'marketplace' or 'sale_price' query parameters returns a 400 error","Unsupported marketplace value (not amazon/ebay/etsy/shopify) returns validation error","Negative or zero sale_price may return a validation or computation error","Payment not provided or insufficient USDC (x402 protocol) results in 402 Payment Required","Network or service unavailability returns 5xx error"],"whenToPreferThis":"Use this endpoint when you need a fast, reliable fee calculation for a specific marketplace (Amazon, eBay, Etsy, or Shopify) and optionally by product category. Prefer this over manual fee tables or scraped data when you need an up-to-date, auditable result — especially within agentic workflows that require a cryptographic audit trail. Best suited for pre-listing margin calculations, pricing automation, or real-time fee comparison.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:41:46.819Z","isFirstParty":false}