{"uid":"cap_ido4A0J7XtAnGzXctyg81","slug":"tariffmonkee-verify-citation-efa29657","name":"TariffMonkee Verify Citation","description":"Small, single-purpose web data APIs that AI agents pay for per call in USDC over the x402 protocol (HTTP 402). No accounts, no API keys, no subscriptions.","url":"https://tariffmonkee.com/paid/verify-citation","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"}},"additionalProperties":false}}},"responseSchema":null,"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":"2026-09-13T18:40:13.440Z","isFirstParty":false}