{"uid":"cap_f_xoWedZmbVd7kcDYR_Su","slug":"schemafetch-custom-json-schema-web-extractor-95f39ef6","name":"SchemaFetch Custom JSON Schema Web Extractor","description":"Custom JSON-schema web extract for AI agents: POST url + your schema, get filled fields with confidence and sources. Task-shaped page data without Firecrawl clones. Pay-per-call x402 USDC on Base ($0.04). No API key, no account.","url":"https://schemafetch.panmediatech.workers.dev/x402/extract/custom","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.04","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":"$0.04/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IMeICDYVsTh5gDeGVHbVo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.04","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts structured data from a web page according to a user-supplied JSON schema, returning filled fields with confidence scores and source attribution","exampleAgentPrompt":"Fetch this product page — https://example.com/product/42 — and fill out this schema for me: {\"name\": \"string\", \"price\": \"number\", \"availability\": \"string\", \"description\": \"string\"}, and tell me how confident you are for each field.","exampleUseCases":null,"resultDescription":"A JSON object containing: a 'data' field with the schema fields populated from the page, a 'confidence' number (0-1) indicating overall extraction reliability, a 'sources' array citing which parts of the page each value came from, a 'fetched_at' ISO timestamp, and optionally 'cache' (hit/miss) and 'preset' metadata.","failureModes":["URL is unreachable or returns non-200 — extraction fails with error response","Schema fields have no matching content on the page — fields returned empty or null with low confidence","Page is JavaScript-heavy SPA and content is not server-rendered — may return incomplete data","Malformed JSON schema in request body — returns schema validation error","Rate limiting or payment failure via x402 — transaction rejected before extraction begins","Page blocks crawlers via robots.txt or WAF — fetch blocked, no data returned"],"whenToPreferThis":"Use this endpoint when you need to extract specific, schema-defined fields from a web page and want per-field confidence scores and source attribution — without setting up an API key or account. Prefer it over general scraping tools when you have a precise data model in mind and want task-shaped output rather than raw HTML or markdown. It is especially useful for one-off extractions billed per call at $0.04 USDC via x402 on Base, making it cost-effective for low-volume or ad-hoc agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:33:14.266Z","isFirstParty":false}