{"uid":"cap_BpTvzBdGKJ23SYhgPpr8T","slug":"verdicts-freshness-deep-check-61e17e67","name":"Verdicts Freshness Deep Check","description":"x402-paid attestation verdicts: is this citation still current, and is this domain agent-ready. REST twin of the MCP server at https://verdictmcp.com/mcp.","url":"https://verdictmcp.com/verdict/freshness/deep","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"claim":{"type":"string"},"source_url":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"type":"freshness","verdict":"current","reproduction_class":1}},"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_VGzwtXRExWhli6QzFatkr","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":"Performs a deep attestation verdict on whether a given citation/claim and its source URL is still current and factually fresh.","exampleAgentPrompt":"Can you do a deep freshness check on this claim — 'The Eiffel Tower is 330 meters tall' — and verify it against https://en.wikipedia.org/wiki/Eiffel_Tower to see if the citation is still current?","exampleUseCases":[{"title":"Research paper citation audit","prompt":"I need you to verify whether this claim is still supported by its source — 'Global average temperature has risen by 1.1°C since pre-industrial times' — check against https://climate.nasa.gov/vital-signs/global-temperature/ and tell me if it's current."},{"title":"AI agent knowledge base freshness","prompt":"Before my agent publishes this answer, deep-check if the claim 'The FDA approved Paxlovid for COVID-19 treatment in 2021' is still accurate according to https://www.fda.gov/drugs/drug-safety-and-availability/fda-approves-first-oral-antiviral-treatment-covid-19-adults — is this citation fresh?"},{"title":"Journalism fact verification","prompt":"Can you run a deep freshness verdict on this statement — 'Twitter was rebranded to X in July 2023' — sourced from https://techcrunch.com/2023/07/23/twitter-rebrand-x/ and let me know the reproduction class and whether it's still current?"}],"resultDescription":"Returns a JSON object with: ok (boolean success flag), type ('freshness'), verdict (e.g. 'current' or 'stale'), and reproduction_class (integer indicating how reproducible/verifiable the claim is against the source). Indicates whether the claim is still supported by the source URL at time of check.","failureModes":["Source URL is unreachable or returns non-200 — verdict may be indeterminate","Claim is too vague or ambiguous for comparison against source content","Source URL has paywalled or bot-blocked content preventing deep access","Payment of $0.04 USDC via x402 not completed — request rejected with 402","Malformed input schema (missing claim or source_url) returns validation error"],"whenToPreferThis":"Choose this endpoint when you need a deep, paid-attestation freshness check on a specific claim-URL pair — not just a link-alive ping. Prefer over generic link checkers when you need a structured verdict and reproduction class score, especially in agentic pipelines requiring traceable citation validation. Use when citation accuracy and recency matter more than speed or cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:30:41.150Z","isFirstParty":false}