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Polymarket Live Prediction Market Odds & Implied Probability Feed
Polymarket Live Prediction Market Odds & Implied Probability Feed is a paid API for AI agents from x402broker.com, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).
Fetches live Polymarket prediction market orderbooks, implied Yes/No probabilities, volume, and whale sentiment for a given macro, crypto, or AI event topic.
Price / call$0.01
Success—
StatusUnknown
How this service works
Fetches live Polymarket prediction market orderbooks, implied Yes/No probabilities, volume, and whale sentiment for macro/crypto/AI events. (Live x402 v2, IETF MPP & MCP endpoint at https://x402broker.com/v1/prediction-oracle)
Output
Returns a structured object containing live Polymarket orderbook data, implied Yes and No probabilities (as percentages or decimals), current trading volume, and whale sentiment signals for the queried prediction market topic or event keyword.
Example use cases
Crypto event probability research
“Pull the current Polymarket odds for Ethereum crossing $5,000 this year — I want the implied Yes probability, recent volume, and whether whales are leaning yes or no.”
Political election market odds
“What does Polymarket currently say about the probability of a Republican winning the 2024 US presidential election? Give me the live Yes/No odds and any whale accumulation signals.”
AI milestone prediction tracking
“Check Polymarket right now for the odds of GPT-5 being released before the end of this year — show me the implied probability and current market volume.”
Technical details
Endpoint
GEThttps://x402broker.com/v1/prediction-oracle?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need real-time crowd-sourced probability estimates for macro, crypto, political, or AI events sourced directly from Polymarket's prediction market orderbooks. Prefer this over general news or sentiment APIs when you want quantified implied probabilities backed by real financial stakes and whale-level orderflow signals.
Side effects
- Topic not found on Polymarket — returns empty or null market data
- Ambiguous topic keyword matches multiple markets — may return aggregated or first-match results
- Polymarket API unavailable or rate-limited — upstream data fetch failure
- Payment not processed (x402) — request rejected before data is returned
- Stale data if Polymarket orderbook has low liquidity or market is closed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| topicrequired | string | Prediction market topic, event keyword, or question to query live Polymarket odds |
Output
Schema · Response
{
"type": "object"
}Reviews
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