{"uid":"cap_mZGhqybh62_6C5DStEoW4","slug":"second-opinion-claim-verifier-7b8b2dde","name":"Second Opinion Claim Verifier","description":"Second Opinion: an independent adversarial agent attempts to refute your claim (live web research) and returns a structured verdict with citations.","url":"https://second-opinion-production.up.railway.app/v1/verify","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","bodyType","body","method"],"properties":{"body":{"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","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":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DIVzpkYavAoHYP4qIGjg0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":"31566704","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Submits a claim to an adversarial AI agent that attempts to refute it via live web research and returns a structured verdict with citations","exampleAgentPrompt":"Can you run a second opinion check on this claim: 'The Great Wall of China is visible from space with the naked eye' — I want an adversarial agent to try to refute it with live web research and give me a structured verdict with citations.","exampleUseCases":null,"resultDescription":"A structured verdict object indicating whether the claim was refuted or supported, along with citations from live web research and a reasoned adversarial analysis","failureModes":["Claim is too vague to research — returns ambiguous or inconclusive verdict","Web research yields no relevant sources — citations may be sparse","Rate limiting or upstream LLM failure — returns 5xx error","Malformed request body missing required fields — returns 400 validation error","Payment not processed or x402 payment header missing/invalid — returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need independent adversarial verification of a specific factual claim backed by live web citations, especially when you want to stress-test an assertion rather than simply search for supporting evidence. Prefer this over generic search when you need a structured verdict with a deliberate attempt to find contradicting evidence.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:38:45.959Z","isFirstParty":false}