{"uid":"cap_0cNqEbI5GDp3vI2zkAsc1","slug":"x402stock-prediction-markets-data-9acdb8c1","name":"x402stock Prediction Markets Data","description":"Use to see where prediction-market money is flowing: the most recently traded Polymarket outcome tokens with implied probability (last on-chain price), today's VWAP and USD volume, and indexed totals — decoded by our own indexer from CTF Exchange V2 events on the public Polygon ledger, not from any Polymarket API. `?limit=` up to 100. From x402stock, a market & economic data API (x402, USDC).","url":"https://agents.x402stock.xyz/api/v1/prediction-markets?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"object","required":["source","as_of","venue","note","indexer","count","markets"],"properties":{"note":{"type":"string"},"as_of":{"type":"string"},"count":{"type":"number"},"venue":{"type":"string","const":"polymarket"},"source":{"type":"string","const":"x402stock"},"indexer":{"type":"object","required":["cursor_standard","cursor_neg_risk","tokens_tracked"],"properties":{"tokens_tracked":{"type":"number"},"cursor_neg_risk":{"anyOf":[{"type":"number"},{"type":"null"}]},"cursor_standard":{"anyOf":[{"type":"number"},{"type":"null"}]}},"additionalProperties":false},"markets":{"type":"array","items":{"type":"object","required":["token_id","title","condition_id","neg_risk","implied_probability","last_side","vwap_today","volume_usd_today","matches_today","volume_usd_indexed","matches_indexed","last_block","updated_at"],"properties":{"title":{"anyOf":[{"type":"string"},{"type":"null"}]},"neg_risk":{"type":"boolean"},"token_id":{"type":"string"},"last_side":{"enum":["buy","sell"],"type":"string"},"last_block":{"type":"number"},"updated_at":{"type":"string"},"vwap_today":{"anyOf":[{"type":"number"},{"type":"null"}]},"condition_id":{"anyOf":[{"type":"string"},{"type":"null"}]},"matches_today":{"type":"number"},"matches_indexed":{"type":"number"},"volume_usd_today":{"type":"number"},"volume_usd_indexed":{"type":"number"},"implied_probability":{"type":"number"}},"additionalProperties":false}}},"additionalProperties":false},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qI8tsyYWr0ImSe6ripdFq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null},{"uid":"pm_EDgwgOpa27sXNHdl_vDYG","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x20C000000000000000000000b9537d11c60E8b50","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches prediction market data including odds, contracts, and sentiment for AI agent consumption, paid per-request in USDC via x402","exampleAgentPrompt":"Can you pull the latest prediction market data for the upcoming Fed interest rate decision and tell me the implied probability of a rate cut?","exampleUseCases":[{"title":"Election outcome probability tracker","prompt":"What are the current prediction market odds on the next US presidential election? I want the implied probabilities for each candidate."},{"title":"Fed policy decision forecasting","prompt":"Pull prediction market data on whether the Fed will cut rates at the next FOMC meeting — give me the current contract prices and implied probability."},{"title":"Geopolitical event sentiment check","prompt":"What does the prediction market say about the likelihood of a US-China trade deal this year? Give me the current odds and any relevant contract details."}],"resultDescription":"Returns prediction market data including contract listings, current prices or odds, implied probabilities, volume, and related metadata for queried events or markets, delivered as structured JSON","failureModes":["Insufficient USDC balance causes payment failure and 402 response","Invalid or unsupported properties filter returns empty results or 400 error","Prediction market data may be delayed or unavailable during off-hours for certain event categories","x402 payment protocol handshake failure causes request to not complete","Rate limits or network timeouts from upstream prediction market data sources"],"whenToPreferThis":"Choose this endpoint when you need pay-per-use, no-account-required access to prediction market data for AI agent workflows, especially when integrating alongside other x402stock financial data (stocks, macro, crypto) in a unified pipeline. Prefer this over Polymarket or Kalshi direct APIs when you want autonomous agent payment via USDC x402 without managing API keys or subscriptions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T07:03:02.828Z","isFirstParty":false,"canonicalSlug":"x402stock-prediction-markets-data-9acdb8c1"}