{"uid":"cap_QCuZc7g710MazxEqy63do","slug":"sourcemint-web-extraction-api-66a12ee5","name":"SourceMint Web Extraction API","description":"Wallet-native x402 APIs for web extraction, claim verification, and citation auditing.","url":"https://sourcemint-api.nap6281.chatgpt.site/api/extract","method":"GET","headers":{},"bodySchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"A public HTTP or HTTPS HTML page"}}},"responseSchema":{"type":"json","example":{"source":{"url":"https://example.com","sha256":"0000000000000000000000000000000000000000000000000000000000000000","retrievedAt":"2026-01-01T00:00:00.000Z"},"metrics":{"bytes":100,"links":0,"words":2},"document":{"title":"Example","markdown":"# Example","description":""},"citations":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_51cyYdc7B7McnAzdqdzsR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a public web page and returns its full content as structured Markdown, metadata, and citation data for use in agent workflows.","exampleAgentPrompt":"Can you fetch the page at https://example.com/article and pull out the full text as markdown, along with its title and any citations?","exampleUseCases":[{"title":"Fact-check a news article claim","prompt":"I saw a claim on this page — https://techcrunch.com/2024/01/15/some-article — can you pull the full text so I can verify what it actually says?"},{"title":"Summarize a competitor blog post","prompt":"Grab the content of https://competitor.com/blog/product-update and convert it to clean markdown so I can summarize what they announced."},{"title":"Audit a source URL for citations","prompt":"I need to check what citations appear on https://research.example.org/findings — can you fetch the page and list any linked sources?"}],"resultDescription":"A JSON object containing the source URL, a SHA-256 hash of the page content, retrieval timestamp, document title, full-page markdown, page description, word/byte/link counts, and a list of citations found on the page.","failureModes":["URL is unreachable or returns non-2xx HTTP status","URL points to non-HTML content (PDF, image, etc.) and cannot be parsed","Page is behind a login or paywall and returns empty or redirected content","Malformed or missing 'url' parameter returns a 400-level error","Payment not fulfilled via x402 protocol results in 402 response"],"whenToPreferThis":"Choose this endpoint when an agent needs to read and process the content of a specific public web page — especially when a cryptographic hash, retrieval timestamp, or citation list is needed for provenance, auditing, or claim verification purposes. It is preferable over generic scraping tools when your workflow requires structured Markdown output and evidence-grade metadata in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:33:39.875Z","isFirstParty":false}