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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 2026-10-21).
Fetches live Polymarket prediction market orderbook data, implied Yes/No probabilities, volume, and whale sentiment for any 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://onchain-risk.agentdiet.dev/v1/crypto-betting-odds)
Output
Returns live Polymarket orderbook data for the queried topic, including implied Yes and No probabilities (as percentages or decimals), total trading volume, whale sentiment indicators, and relevant market metadata for the matching prediction market event.
Example use cases
Crypto price milestone probability check
“Pull up the current Polymarket odds and implied probability for Ethereum reaching $5,000 this quarter — I want to see volume and whether whales are leaning Yes or No.”
Macro event election odds monitoring
“What are the live prediction market odds on Polymarket for a US recession being declared in 2025? Show me the Yes/No implied probabilities and any notable orderbook activity.”
AI regulation policy event tracking
“Check Polymarket for any active prediction markets on major AI regulation passing in the EU this year — I need the current odds, volume, and whale sentiment.”
Technical details
Endpoint
GEThttps://onchain-risk.agentdiet.dev/v1/crypto-betting-odds?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time, crowd-sourced probability estimates for binary macro, crypto, or AI events from Polymarket's decentralized prediction market. Prefer this over news APIs or sentiment tools when you want market-implied probabilities backed by actual on-chain capital, orderbook depth, and whale positioning rather than just sentiment scores or headlines.
Side effects
- No matching Polymarket market found for the given topic keyword — returns empty or null result
- Ambiguous topic matches multiple markets — may return the most liquid or first matched market
- Polymarket API or data feed is temporarily unavailable — service error response
- Topic string too vague to resolve to a specific market — low-confidence match
- Rate limit or payment failure on the x402 micropayment layer — 402 error
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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