{"uid":"cap_HBoPAyVVwidD0X-R6yYTi","slug":"cravvoul-claim-verifier-d99cbbdc","name":"Cravvoul Claim Verifier","description":"Web scraping and search for AI agents. No auth, no subscriptions. Pay per request in USDC via x402.","url":"https://cravvoul.vercel.app/api/verify?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["claim"],"properties":{"claim":{"type":"string","description":"Claim to verify"},"sources":{"type":"number","description":"Number of sources"}}},"responseSchema":{"type":"object","properties":{"data":{"type":"object"},"success":{"type":"boolean"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Op2x_jKoiYyhDrCq6e2UJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies a textual claim against web sources, returning a verification result with supporting evidence, paid per-request in USDC via x402.","exampleAgentPrompt":"Can you fact-check this claim for me using 5 web sources: 'The Great Wall of China is visible from space with the naked eye'?","exampleUseCases":[{"title":"Fact-checking viral social media claims","prompt":"I saw a post saying 'Scientists have discovered that drinking coffee daily reduces Alzheimer's risk by 65%' — can you verify that claim against 3 web sources and tell me if it holds up?"},{"title":"Validating AI-generated content","prompt":"I just had an AI write a paragraph saying 'Bitcoin was invented in 2008 by a group called the Cypherpunks' — can you verify that claim is accurate using web sources before I publish it?"},{"title":"Research assistant for disputed statistics","prompt":"My colleague claims that 'Renewable energy now accounts for over 50% of global electricity generation' — can you check that against 4 sources and tell me if it's supported?"}],"resultDescription":"Returns a JSON object with a 'success' boolean indicating whether the verification completed, and a 'data' object containing the verification outcome and supporting evidence gathered from web sources.","failureModes":["Claim field missing — returns validation error","Ambiguous or extremely broad claim may return inconclusive results","Source count set too low (e.g. 1) may yield insufficient evidence","Network or crawling failure may cause success: false with no data","Highly niche or obscure claims may find no relevant web sources","Rate limits or payment failure via x402 will block the request"],"whenToPreferThis":"Choose this endpoint when you need lightweight, pay-per-use claim verification without setting up auth or subscriptions. Ideal for AI agents that need to spot-check facts, validate AI-generated content, or flag misinformation on-demand. It is well-suited for pipelines where fact-checking is occasional rather than high-volume, given the per-request USDC pricing model via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:34:39.980Z","isFirstParty":false,"canonicalSlug":"cravvoul-claim-verifier-d99cbbdc"}