{"uid":"cap_F4Iit5aYZyjGz6RvX1pbv","slug":"veritas-fact-verification-api-a0cf3a66","name":"Veritas Fact Verification API","description":"Multi-source fact verification API","url":"https://veritas.orbonomy.xyz/api/verify","method":"POST","headers":{},"bodySchema":{"type":"object","required":["claim"],"properties":{"lang":{"type":"string","description":"Language code"},"claim":{"type":"string","description":"The claim to verify"}}},"responseSchema":{"type":"object","required":["success"],"properties":{"sources":{"type":"array","items":{"type":"string"}},"success":{"type":"boolean"},"verdict":{"type":"string"},"confidence":{"type":"number"},"explanation":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XV-78OWTjcSvNGP6GlqyI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies the truthfulness of a text claim against multiple sources, returning a verdict, confidence score, and explanation","exampleAgentPrompt":"Can you fact-check this claim for me: 'The Great Wall of China is visible from space with the naked eye' — I want to know if it's true, how confident you are, and what sources back that up.","exampleUseCases":null,"resultDescription":"Returns a boolean success flag, a verdict string (e.g. true/false/unverified), a confidence score (0–1), a plain-language explanation of the finding, and an array of source URLs used to reach the verdict.","failureModes":["Empty or missing claim field returns a 400 validation error","Claim too ambiguous or short for sources to evaluate — low confidence score or unverified verdict","Unsupported language code results in error or fallback to default language","External source lookup failure may reduce confidence or return partial results","Rate limiting or payment failure returns 402 if USDC payment is not processed"],"whenToPreferThis":"Use Veritas when you need a multi-source, confidence-scored fact verdict on a specific claim — especially when you need an explanation and traceable sources, not just a binary true/false from a single reference. Prefer this over general web search when structured fact-checking output with confidence scoring is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:49:27.809Z","isFirstParty":false}