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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 onchain-risk.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-28).
Fetches live implied Yes/No probabilities, orderbook data, volume, and whale sentiment from Polymarket for a given event topic or keyword
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://onchain-risk.agentdiet.dev/v1/event-probabilities)
Output
Returns a structured object containing live Polymarket orderbook data for the queried topic, including implied Yes and No probabilities, trading volume, and whale sentiment indicators for the matching prediction market event.
Example use cases
Crypto event probability lookup
“What does Polymarket currently show for the probability of Ethereum hitting $5,000 before the end of the year? Give me the Yes/No odds and any volume data.”
Macro policy market odds
“Can you pull the live Polymarket implied probability for the Fed cutting interest rates at the next FOMC meeting?”
AI regulation sentiment check
“What are the current Polymarket odds that a major US AI regulation bill passes this year? I want to see the implied probability and whale sentiment.”
Technical details
Endpoint
POSThttps://onchain-risk.agentdiet.dev/v1/event-probabilities?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need real-time crowd-sourced probability estimates from Polymarket's prediction market for macro, crypto, or AI-related events, especially when you want implied market probabilities (not just news sentiment) and whale-level trading volume signals to inform decision-making or research.
Side effects
- Topic keyword matches no active Polymarket market — returns empty or null results
- Ambiguous topic matches multiple markets — response may include multiple market entries requiring disambiguation
- Polymarket API unavailable or rate-limited — upstream timeout or error response
- Payment failure via x402 — 402 response if USDC payment not completed
- Malformed or empty topic string — validation error on required field
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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