{"uid":"cap_uOUe8zbE6anZvWR-H7uVx","slug":"canon-fact-check-api-8aaa0549","name":"Canon Fact-Check API","description":"Fact-checking and academic research for AI agents. Verify claims, search papers, explore journals. USDC on Base.","url":"https://v0-canon.orbonomy.xyz/api/factcheck","method":"POST","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"query":{"type":"string"}}},"responseSchema":{"type":"object","properties":{"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_9HYTkTSez1l3h06dYz0-U","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 factual claims and searches academic papers and journals for AI agents using a natural language query","exampleAgentPrompt":"Can you fact-check this for me: 'Drinking eight glasses of water per day is scientifically required for good health' — search academic journals and tell me whether it holds up?","exampleUseCases":null,"resultDescription":"A JSON object with a success boolean and (implicitly) fact-check or research results for the submitted query, including verification of the claim against academic or authoritative sources.","failureModes":["Missing required 'query' field returns a validation error","Query too vague or ambiguous may return low-confidence or empty results","Payment failure (USDC not sent or insufficient) triggers 402 response before processing","Service unavailable returns non-200 status with no result body","Query in unsupported language may return no matching academic sources"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to verify a factual claim or find academic/peer-reviewed sources to support or refute an assertion — especially in research, journalism, or content validation workflows where a small per-call cost ($0.05 USDC) is acceptable and authoritative sourcing matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:45:19.335Z","isFirstParty":false}