{"uid":"cap_PvoSt60UlUUaI2uetNf67","slug":"offercheck-v1-verify-offer-79263463","name":"offercheck /v1/verify/offer","description":"Verify the live price and availability of a product at a URL before you buy or quote it. Fetches the page now, extracts price/currency/availability from JSON-LD, Shopify JSON, OpenGraph or microdata, and returns evidence (method, snippet, content hash, fetch time) plus a confidence score. $0.01 per check.","url":"https://offercheck.offercheck.workers.dev/v1/verify/offer?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":["url"],"properties":{"url":{"type":"string","format":"uri","description":"Public product page URL (http/https)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ms":812,"url":"https://shop.example.com/products/widget","offer":{"price":19.99,"currency":"USD","availability":"in_stock"},"product":{"sku":"W-100","name":"Example Widget","brand":"Example"},"evidence":{"bytes":84210,"method":"json-ld","snippet":"{\"@type\":\"Product\",\"offers\":{\"price\":\"19.99\",\"priceCurrency\":\"USD\",\"availability\":\"https://schema.org/InStock\"}}","fetched_at":"2026-09-25T20:00:00.000Z","content_type":"text/html; charset=utf-8","content_sha256":"…"},"warnings":[],"final_url":"https://shop.example.com/products/widget","confidence":0.9,"http_status":200}},"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_LRATsXnY9N_jJCz79yQK9","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 a public product page URL and extracts live price, currency, and availability using structured data (JSON-LD, microdata, etc.) with a confidence score","exampleAgentPrompt":"Can you check whether this product is still in stock and what its current price is? The URL is https://shop.example.com/products/widget — I want the live price, currency, and availability, plus how confident you are in the result.","exampleUseCases":[{"title":"Price-drop alert before checkout","prompt":"Before I buy this, can you check the current price and availability at https://www.bestbuy.com/site/apple-airpods-pro/6447382.p — I want to make sure the price hasn't changed since I saw it yesterday."},{"title":"Competitive price monitoring for resellers","prompt":"I'm tracking a competitor's product — can you pull the live price, availability, and confidence score from https://www.amazon.com/dp/B09B8YWXDF and tell me exactly when that data was fetched?"},{"title":"Validate affiliate link before publishing","prompt":"I have an affiliate link I'm about to publish — can you verify the product at https://shop.patagonia.com/product/mens-nano-puff-jacket/84211.html is still in stock and confirm the price shown on that page?"}],"resultDescription":"A JSON object containing: the live price and currency extracted from the product page, availability status (e.g. in_stock), product metadata (name, SKU, brand), an evidence object showing the extraction method (e.g. JSON-LD), a raw snippet of the structured data found, the SHA-256 of the page content, the fetch timestamp, HTTP status, final URL after redirects, a confidence score (0–1), response time in milliseconds, and any warnings encountered.","failureModes":["Product page returns non-200 HTTP status — http_status field will reflect the error code and confidence will be low or zero","No structured data (JSON-LD, microdata) found on the page — returns low confidence score with empty or partial offer fields","URL redirects to a login wall or geo-blocked page — final_url will differ and offer data may be absent","Page is dynamically rendered (JavaScript-only) and price is not in the HTML source — extraction may fail or return stale cached data","Invalid or malformed URL input — returns validation error","Page is rate-limiting or blocking the crawler — may return HTTP 429 or incomplete data"],"whenToPreferThis":"Use this endpoint when you need to verify a specific product's live price and availability at a known URL, especially when you want structured evidence of the extraction method and a confidence score. Prefer it over generic web scrapers when you need normalized offer data (price, currency, availability) rather than raw HTML, and when you want pay-per-call pricing with no signup. It is best suited for single-product spot checks rather than bulk catalog crawls.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:33:48.791Z","isFirstParty":false,"canonicalSlug":"offercheck-v1-verify-offer-79263463"}