{"uid":"cap_MXc7FOlNHN_fBsJg475KG","slug":"cerawal-claim-verifier-20b98143","name":"Cerawal Claim Verifier","description":"Web scraping and search for AI agents. No auth, no subscriptions. Pay per request in USDC via x402.","url":"https://cerawal.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_9G7BEXHNcxQyFDi5NfZsR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies a textual claim by searching the web and cross-referencing multiple sources, returning a structured result with source-backed evidence","exampleAgentPrompt":"Can you verify the claim 'Elon Musk is the richest person in the world as of 2024' using 5 sources and tell me if it checks out?","exampleUseCases":null,"resultDescription":"Returns a JSON object with a success boolean and a data object containing verification results — likely including whether the claim is supported, and evidence or source summaries gathered from the web.","failureModes":["Missing required 'claim' field returns a validation error","Claim is too vague or ambiguous for web sources to resolve, resulting in inconclusive data","Insufficient web sources found for the given claim topic","Payment not completed via x402 results in 402 Payment Required response","Network or scraping failure may return success: false with error details in data"],"whenToPreferThis":"Use this endpoint when an AI agent needs to programmatically fact-check a specific textual claim against live web sources without requiring an API key or subscription — ideal for lightweight, pay-per-use verification tasks where the claim can be expressed as a single string.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:42:26.445Z","isFirstParty":false}