{"uid":"cap_DHdJtfylsc4qSnnlxQ1iV","slug":"cravvol-claim-verification-343e5330","name":"Cravvol Claim Verification","description":"Web scraping and search for AI agents. No auth, no subscriptions. Pay per request in USDC via x402.","url":"https://cravvol.vercel.app/api/verify","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":"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":"$0.05/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_Vj1N5BFbUX_SOaIb2-HLP","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 factual claim by searching and crawling the web, returning a verdict with supporting sources","exampleAgentPrompt":"Can you verify this claim using 5 sources: 'The Eiffel Tower is taller than the Statue of Liberty'?","exampleUseCases":[{"title":"Fact-check social media rumors","prompt":"I saw someone claiming that electric vehicles cost more to maintain than gas cars. Can you fact-check that for me using recent sources?"},{"title":"Validate product marketing claims","prompt":"A supplement company says their vitamin D formula increases immunity by 40%. Can you verify if that claim holds up against scientific evidence?"},{"title":"Research news story accuracy","prompt":"I read that coffee prices have doubled in the last year. Can you check if that's actually true and find me the latest data on coffee market prices?"}],"resultDescription":"Returns a JSON object with a success boolean and a data object containing the verification result and supporting evidence gathered from crawled web sources","failureModes":["Claim string missing — returns 400 validation error","Insufficient web sources available for obscure or highly specific claims","Payment not sent or invalid USDC amount — returns 402 payment required","Ambiguous claim yields inconclusive result with low confidence","Rate limiting or upstream scraping blocks reduce source count"],"whenToPreferThis":"Use this endpoint when an AI agent needs to programmatically fact-check or verify a specific textual claim against live web sources without requiring API keys or subscriptions. Ideal for autonomous agents that need pay-per-use, no-auth fact verification in USDC via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:44:52.054Z","isFirstParty":false}