{"uid":"cap_JicYcQH6pjm79Y1aiYckg","slug":"claim-verification-via-web-search-a387f75b","name":"Claim Verification via Web Search","description":"Web scraping and search for AI agents. No auth, no subscriptions. Pay per request in USDC via x402.","url":"https://cr4vvol.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_QE_P7_J8dSKrq_zlOCz6L","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 by searching and scraping the web, returning a structured result indicating whether the claim is supported","exampleAgentPrompt":"Can you fact-check this claim for me using 5 sources: 'Electric vehicles account for more than 20% of all new car sales globally in 2024'?","exampleUseCases":null,"resultDescription":"A JSON object with a 'success' boolean indicating if the verification completed, and a 'data' object containing structured results from the web search — likely including source evidence and a verdict on whether the claim is supported.","failureModes":["Claim too vague or ambiguous to search effectively — returns low-confidence or empty data","Requested number of sources unavailable — may return fewer sources than requested","Payment failure via x402 — request blocked before processing","Web scraping blocked by target sites — incomplete evidence gathered","Network timeout on external web requests — success: false returned"],"whenToPreferThis":"Use this endpoint when you need to fact-check or verify a specific textual claim against real web sources, paid per-request with no subscription. Prefer this over generic search APIs when you specifically need a structured verification verdict rather than raw search results.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:34:58.698Z","isFirstParty":false}