{"uid":"cap_ido4A0J7XtAnGzXctyg81","slug":"tariffmonkee-verify-citation-efa29657","name":"TariffMonkee Verify Citation","description":"Citation check: takes a claim and a cited source (URL or DOI) and returns supported, contradicted or not_addressed with the verbatim passage as evidence. The source is fetched with a full browser render. Dead, paywalled or PDF-only sources return source_unavailable, never a false contradicted.","url":"https://tariffmonkee.com/paid/verify-citation?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["claim","url"],"properties":{"url":{"type":"string","description":"The cited source: a URL, or a bare DOI such as 10.1234/abcd."},"claim":{"type":"string","description":"The claim to check against the source."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["claim","url","verdict","evidence","reasoning","confidence","retracted","model","source_truncated","source_fetched_at","cached"],"properties":{"url":{"type":"string"},"claim":{"type":"string"},"model":{"type":"string"},"cached":{"type":"boolean"},"verdict":{"type":"string"},"evidence":{"type":"string"},"reasoning":{"type":"string"},"retracted":{"type":"boolean"},"confidence":{"type":"string"},"source_truncated":{"type":"boolean"},"source_fetched_at":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"url":"https://example.com","claim":"Example Domain is reserved for documentation examples.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","cached":false,"verdict":"supported","evidence":"This domain is for use in documentation examples without needing permission.","reasoning":"The source text explicitly states that the domain is for use in documentation examples, which directly supports the claim.","retracted":false,"confidence":"high","source_truncated":false,"source_fetched_at":"2026-10-18T08:07:22.925Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.025","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":"$0.025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_o8VVomJaIeQYbHPkQIC1S","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies whether a cited source or claim is accurate and traceable to the referenced content, returning a validation result","exampleAgentPrompt":"Can you verify this citation for me — it claims the WHO report at that URL says COVID-19 mortality dropped 40% in 2022, but I want to confirm the source actually backs that up?","exampleUseCases":[{"title":"AI-generated content fact-checking","prompt":"I used an AI to write a research summary and it cited several sources — can you verify whether those citations actually support the claims made, or if any are hallucinated?"},{"title":"Academic paper reference audit","prompt":"Before I submit this paper, can you check whether the citation I used for the GDP growth statistic actually appears in the linked IMF report?"},{"title":"News article source verification","prompt":"This news article cites a CDC study for a statistic about vaccine efficacy — can you verify that the linked study actually contains that figure?"}],"resultDescription":"Returns a verification result indicating whether the cited claim is supported by the referenced source, including match confidence, relevant excerpts from the source, and a validity status (verified, unverified, or hallucinated/mismatch).","failureModes":["Source URL is unreachable or returns a non-200 status, resulting in an unverifiable result","Paywalled or login-gated source content cannot be accessed for comparison","Citation text is too vague to match against source content","Source content is in a non-parseable format (e.g. scanned PDF image)","Payment not settled via x402 protocol returns HTTP 402"],"whenToPreferThis":"Use this endpoint when you need to verify that a specific claim or quote is genuinely supported by a cited source URL — especially useful for catching AI hallucinations in generated content, auditing research references, or fact-checking news citations. Prefer this over a generic web search or content-fetch endpoint when the task is specifically citation validation rather than general information retrieval.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T19:13:08.184Z","isFirstParty":false,"canonicalSlug":"tariffmonkee-verify-citation-efa29657"}