{"uid":"cap_K0CsHtAG7EER_DFTq7IWc","slug":"evidence402-web-extract-78a5b99a","name":"Evidence402 Web Extract","description":"Read public webpages, extract structured data and verify DOI citations. No buyer API key or subscription. Pay per call with x402 USDC on Base.","url":"https://evidence402.onrender.com/api/v1/web-extract?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"data":{"url":"https://example.com/","fields":{"headings":["Example Domain"]},"jsonLd":[]},"service":"Evidence402","requestId":"example-request"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_KWZPaWINsYH8PLfwHlxpc","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a public webpage and returns structured extracted data including headings, JSON-LD, and other fields, paid per-call with USDC via x402.","exampleAgentPrompt":"Can you fetch the page at https://www.nature.com/articles/s41586-023-06792-0 and extract the headings and any JSON-LD structured data from it?","exampleUseCases":[{"title":"Research article content extraction","prompt":"Go to https://www.bbc.com/news/science-environment-12345678 and pull out all the headings and structured metadata so I can summarize what the article is about."},{"title":"E-commerce product data scraping","prompt":"Fetch the product page at https://www.example-shop.com/product/wireless-headphones and extract the headings and JSON-LD so I can see the product name, price, and description in structured form."},{"title":"Academic page structured data retrieval","prompt":"Grab the page at https://scholar.example.edu/papers/climate-study-2024 and extract its JSON-LD and headings — I want to see the structured metadata about the publication."}],"resultDescription":"Returns a JSON object containing the requested URL, extracted structured fields (such as headings), any JSON-LD data found on the page, a service identifier ('Evidence402'), and a unique request ID for tracing.","failureModes":["URL is behind a login or paywall — extraction will fail or return incomplete data","URL does not exist or returns a non-200 status — error response","Requested fields not present on the page — empty arrays returned","Rate limits or render timeouts if the page is slow to load","x402 payment failure if the calling agent lacks sufficient USDC balance on Base"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call web extraction without committing to a subscription or API key — especially useful for AI agents that need occasional structured data from public URLs. It is best for extracting headings and JSON-LD schema from standard public webpages. Prefer alternatives with full browser rendering if you need JavaScript-heavy single-page apps fully rendered.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:40:57.337Z","isFirstParty":false,"canonicalSlug":"evidence402-web-extract-78a5b99a"}