{"uid":"cap_0vUTG4yh8I1QKvGhJKQ4a","slug":"tereno-prediction-market-evidence-c3db66d9","name":"Tereno Prediction Market Evidence","description":"Returns current, sourced and machine-readable evidence supporting or contradicting a prediction-market proposition before placing trades. Verifies onchain state, resolution rules, and primary provenance with deterministic receipts.","url":"https://www.tereno.xyz/api/v1/capabilities/prediction.evidence/invoke?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"market":{"type":"string","description":"Market platform identifier (e.g. 'polymarket', 'omen', 'kalshi'). Defaults to 'polymarket'."},"context":{"type":"object","description":"Optional contextual metadata from the agent."},"question":{"type":"string","maxLength":2000,"minLength":5,"description":"Prediction market question or proposition to audit with verifiable evidence."},"marketUrl":{"type":"string","description":"Optional URL to the market page for resolution rules extraction."}}},"responseSchema":null,"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_g9K5SALVoF8rgX7KGVIC_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns sourced, machine-readable evidence supporting or contradicting a prediction market proposition, with onchain state verification and deterministic provenance receipts.","exampleAgentPrompt":"Before I place a trade, can you pull sourced evidence for the Polymarket question 'Will the US Federal Reserve cut rates in Q3 2025?' and verify the resolution rules and onchain state for it?","exampleUseCases":[{"title":"Pre-trade due diligence on Polymarket","prompt":"I'm about to trade on Polymarket for the question 'Will SpaceX complete a crewed Mars mission before 2030?' — can you fetch verifiable evidence and check the resolution rules before I put money in?"},{"title":"Auditing a Kalshi market proposition","prompt":"I want to audit the Kalshi market asking whether US CPI inflation will exceed 3% in June 2025 — can you pull current sourced evidence supporting and contradicting that proposition, including the resolution criteria?"},{"title":"Onchain state verification for Omen market","prompt":"Check the onchain state and primary provenance for this Omen market — https://omen.eth.link/market/xyz — I need deterministic receipts confirming what the current evidence says about whether the proposition resolves YES."}],"resultDescription":"A structured, machine-readable response containing sourced evidence (supporting and contradicting) for the prediction market proposition, verified onchain state, extracted resolution rules, primary provenance references, and deterministic receipts for auditability.","failureModes":["Market URL is inaccessible or returns no resolution rules — evidence extraction may be incomplete","Onchain state query fails due to network congestion or RPC unavailability","Unsupported market platform identifier causes lookup failure","Question is too vague or too short (under 5 characters) to retrieve meaningful evidence","Payment failure or insufficient USDC balance prevents invocation","Primary sources are paywalled or unavailable, reducing provenance quality"],"whenToPreferThis":"Choose this endpoint when an agent needs to make an informed, evidence-backed decision before placing a prediction market trade, specifically when verifiable sourcing, onchain state confirmation, and deterministic provenance receipts are required. Prefer over generic web search when machine-readable structured output and resolution rule extraction are needed, or when trading on Polymarket, Kalshi, or Omen.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T06:31:36.647Z","isFirstParty":false,"canonicalSlug":"tereno-prediction-market-evidence-c3db66d9"}