{"uid":"cap_ueYA2AScjMTHAIZIvtK5f","slug":"canon-timeline-endpoint-356a5d4b","name":"Canon – Timeline Endpoint","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/timeline","method":"POST","headers":{},"bodySchema":{"type":"object","required":["topic"],"properties":{"topic":{"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_rVWaUs_0vgz2jO90Cz0BG","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":"Retrieves a fact-checked, research-grounded timeline of events or developments on a given topic, drawing from academic and journalistic sources.","exampleAgentPrompt":"Can you pull up a fact-checked timeline of the development of mRNA vaccine technology, with sources, using Canon?","exampleUseCases":null,"resultDescription":"A structured object with a success flag and, on success, a chronological timeline of verified events, milestones, or findings related to the queried topic, grounded in academic and journalistic sources.","failureModes":["Topic string is empty or too vague — returns success:false or empty timeline","Topic is outside Canon's indexed knowledge domains — may return sparse or no results","Payment failure (insufficient USDC on Base) — 402 response before processing","Network timeout if source retrieval is slow — request may hang or return partial data","Malformed request body (missing required 'topic' field) — 400 error"],"whenToPreferThis":"Use this endpoint when you need a chronologically ordered, source-backed overview of how a topic has developed over time — especially for academic research, fact-checking claims about historical sequences, or building a verified narrative around a subject. Prefer this over generic web search when citation quality and factual accuracy matter more than recency or breadth.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:35:31.180Z","isFirstParty":false}