{"uid":"cap_4p_VHkZbJG-cWcrFk2NPR","slug":"unprice-offer-proof-c6262cc9","name":"unprice Offer Proof","description":"Tiny paid web services for agents. Pay per request with USDC on Base via x402, plus non-x402 Base USDC tx-hash checkouts for Merchant Feed Audit, Base USDC receipts, and recent wallet statements.","url":"https://volkov.evgeny.m2.fvds.ru/pay/offer-proof","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","properties":{"url":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"url":"https://example.com/product","checks":[{"name":"jsonld_offer","status":"pass"}],"product":{"name":"Example product","offer":{"price":"19.99","currency":"USD","availability":"InStock"}}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_s4mWUxJA_wYeu-6uF8tgz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and validates structured product offer data (price, currency, availability) from a given URL using JSON-LD schema checks","exampleAgentPrompt":"Can you check whether this product page has valid JSON-LD offer data — price, currency, and availability — and tell me if it passes? The URL is https://example.com/product.","exampleUseCases":[{"title":"Price extraction from product listing","prompt":"Pull the price, currency, and availability from this product page and tell me if it has valid structured offer data: https://shop.example.com/widgets/blue-widget"},{"title":"E-commerce structured data audit","prompt":"I'm checking if our competitor's product pages expose machine-readable pricing. Can you verify whether https://competitor.com/product/123 has a valid JSON-LD offer schema with price and stock status?"},{"title":"Availability check before purchase","prompt":"Before I place an order, can you confirm that https://store.example.com/items/sneaker-size-10 actually lists the item as InStock in its structured data?"}],"resultDescription":"Returns the product name, offer price, currency, and availability extracted from the page's JSON-LD schema, along with named validation checks (e.g. 'jsonld_offer') and their pass/fail status.","failureModes":["URL does not contain any JSON-LD offer schema — checks return fail status","Target page is behind authentication or bot protection — fetch fails","URL is malformed or unreachable — returns error","Product page uses non-standard or proprietary pricing markup not recognized by JSON-LD parser","Rate limiting or network timeout on the target domain"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that a product page exposes machine-readable offer data (price, currency, availability) via JSON-LD schema.org markup, particularly for e-commerce auditing, competitive price monitoring, or pre-purchase availability checks. Prefer this over raw HTML scrapers when you need structured, validated offer fields rather than raw page content.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:40:48.102Z","isFirstParty":false}