{"uid":"cap_GPipWr67mfX6NH_iYcrBC","slug":"veritas-multi-source-fact-comparison-api-d42d5b97","name":"Veritas Multi-Source Fact Comparison API","description":"Multi-source fact verification API","url":"https://veritas.orbonomy.xyz/api/compare","method":"POST","headers":{},"bodySchema":{"type":"object","required":["claim_a","claim_b"],"properties":{"lang":{"type":"string"},"claim_a":{"type":"string"},"claim_b":{"type":"string"}}},"responseSchema":{"type":"object","required":["success"],"properties":{"claim_a":{"type":"object"},"claim_b":{"type":"object"},"success":{"type":"boolean"},"comparison":{"type":"object"}}},"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_A9qWoRFg98KDozIGWqB-5","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":"Compares two claims against multiple sources to fact-check and verify their accuracy side by side","exampleAgentPrompt":"Can you compare these two claims and tell me which is more accurate: claim A is 'The Eiffel Tower is 300 meters tall' and claim B is 'The Eiffel Tower is 330 meters tall'? Run both through Veritas so I can see which one holds up.","exampleUseCases":null,"resultDescription":"Returns a JSON object with success boolean, plus two claim objects (claim_a, claim_b) each containing their individual fact-check results, and a comparison object summarizing how the two claims relate — which is better supported, whether they contradict, and overall verdict based on multi-source verification.","failureModes":["Missing claim_a or claim_b returns 400 validation error","Unsupported language code may cause degraded or empty results","Very long or ambiguous claims may return low-confidence comparison","Payment failure (x402) prevents call from completing","Service timeout if external sources are slow to respond","Nonsensical or non-falsifiable claims may return inconclusive comparison"],"whenToPreferThis":"Choose this endpoint when you need to compare two specific textual claims head-to-head for factual accuracy using multi-source verification. It is especially useful for dispute resolution, journalism fact-checking, misinformation detection, or comparing competing narratives. Prefer this over single-claim verifiers when the task is explicitly comparative — i.e., the user wants to know not just whether one claim is true, but how two claims stack up against each other.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:46:31.095Z","isFirstParty":false}