{"uid":"cap_4-jOF3YIvLeIaRfqN33PT","slug":"evidence-extractor-from-url-1da1d195","name":"Evidence Extractor from URL","description":"CitationVerifier evidence extraction: extract factual evidence, quotations, dates, names, organizations, and numbers from a source","url":"https://red-breeze-8b8c.keenanbooker83.workers.dev/extract-evidence","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"focus":{"type":"string","maxLength":2000,"minLength":1,"description":"Optional instructions identifying the evidence or subject to prioritize."},"sourceUrl":{"type":"string","maxLength":2048,"minLength":1,"description":"Public URL of the source from which evidence should be extracted."}}},"responseSchema":{"type":"json","example":{"agent":"Evidence Extraction Agent","focus":"Extract direct quotations, dates, people, organizations, and numerical evidence.","evidence":[{"text":"Yesterday, December 7, 1941Ã¢â‚¬â€a date which will live in infamy...","type":"quotation"}],"sourceUrl":"https://www.archives.gov/milestone-documents/joint-address-to-congress-declaration-of-war-against-japan","requestAccepted":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8Hm3e6qYCXOwxXrdqqoN0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts factual evidence, quotations, dates, names, organizations, and numbers from a public source URL","exampleAgentPrompt":"Can you pull all the key facts, quotes, names, dates, and numbers from this article — https://example.com/article — and focus specifically on claims about climate policy?","exampleUseCases":[{"title":"Journalistic source mining","prompt":"Extract all the quotations, named officials, and statistics from this press release at https://www.whitehouse.gov/briefing-room/statements/2024/01/15/example — I want every number and named person mentioned."},{"title":"Academic research evidence gathering","prompt":"Go through this research paper at https://plos.org/article/example and pull out the key findings, dates, organizations involved, and any specific numerical results — I'm building an evidence base for a literature review."},{"title":"Competitive intelligence extraction","prompt":"Scrape the facts from this competitor's product announcement at https://techcrunch.com/2024/example and focus on pricing figures, partnership names, and any specific dates they mention."}],"resultDescription":"A structured set of extracted entities and factual evidence from the source URL, including verbatim quotations, specific dates, named people and organizations, and numerical figures, optionally filtered or prioritized by the focus instructions provided.","failureModes":["Source URL is inaccessible, paywalled, or returns a non-200 response — extraction fails with an error","URL points to a binary file (PDF, image) that cannot be parsed as text","Focus instructions are too vague or contradictory, resulting in low-relevance extractions","Source content is too short or contains no structured factual information","Rate limiting or bot-blocking on the target URL prevents fetching"],"whenToPreferThis":"Choose this endpoint when you need to pull structured factual entities — quotes, dates, names, organizations, numbers — from a single public URL, especially as a first step before fact-checking, claim verification, or research synthesis. Prefer it over general web scraping tools when you specifically want named entity and evidence extraction rather than raw HTML or full-text retrieval. It pairs naturally with sibling endpoints for fact-checking, conflict detection, and source credibility evaluation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:32:01.260Z","isFirstParty":false}