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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 alpha-stream.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).
Fetches live Polymarket orderbook data, implied Yes/No probabilities, trading 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://alpha-stream.agentdiet.dev/v1/prediction-markets)
Output
Returns live Polymarket orderbook data for the queried topic, including implied Yes and No probabilities, current market volume, and whale sentiment signals for the matching prediction market event.
Example use cases
Crypto price prediction market check
“Pull the live Polymarket odds for Ethereum flipping Bitcoin in market cap this year — what's the implied Yes probability and how much volume is on that market?”
Macro event probability lookup
“What does Polymarket currently show for the probability of a US recession in 2025? Give me the Yes/No implied odds and any notable whale positioning.”
AI policy event odds
“Check Polymarket right now for the odds that the EU AI Act enforcement triggers a major tech fine before the end of this year — what's the implied probability?”
Technical details
Endpoint
GEThttps://alpha-stream.agentdiet.dev/v1/prediction-markets?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time crowd-sourced probability estimates for macro, crypto, or AI events as reflected in Polymarket's live orderbooks, especially when you want implied probability percentages, volume context, and whale sentiment rather than just news or analyst opinion.
Side effects
- No matching market found for the given topic keyword — returns empty or null results
- Polymarket API unavailable or rate-limited — upstream timeout or 5xx error
- Ambiguous topic matches multiple markets — results may include unintended markets
- Payment not processed (HTTP 402) — call blocked until x402 USDC payment is fulfilled
- Topic too vague — broad keywords return low-relevance or stale markets
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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