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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 polymarket-odds.agentdiet.dev, 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, trading volume, and whale sentiment for a given topic or event 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://polymarket-odds.agentdiet.dev/v1/event-probabilities)
Output
Returns live Polymarket orderbook data for the queried topic, including implied Yes and No probabilities (as percentages or decimals), current trading volume, and whale/large-trader sentiment signals for matching prediction market events.
Example use cases
Election outcome probability check
“What does Polymarket currently say about the probability of Trump winning the 2024 US presidential election? I want the implied Yes and No probabilities and any whale sentiment.”
Fed rate cut market odds
“Pull the live Polymarket odds on whether the Federal Reserve will cut interest rates at their next meeting — show me the implied probability and current trading volume.”
Crypto event prediction lookup
“What's the current Polymarket implied probability that Ethereum's price will be above $5,000 by December 2025? I want to see the orderbook odds and any large trader sentiment.”
Technical details
Endpoint
GEThttps://polymarket-odds.agentdiet.dev/v1/event-probabilities?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time crowd-sourced probability estimates from Polymarket's prediction market for macro, crypto, political, or AI events — especially when you want market-implied probabilities (not just news sentiment) backed by actual money and orderbook depth, including whale activity signals.
Side effects
- No matching Polymarket market found for the given topic — returns empty or null results
- Ambiguous topic keyword matching multiple markets — may return multiple or incorrect markets
- Stale or delayed data if Polymarket API is rate-limited or temporarily unavailable
- Payment failure via x402 if USDC balance is insufficient — 402 Payment Required error
- Malformed or too-short topic string rejected with validation 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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