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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 mcp-security.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, 24h 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://mcp-security.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 (as percentages), 24-hour trading volume, and whale sentiment signals derived from large-order activity in the relevant prediction market.
Example use cases
Election outcome probability check
“What does Polymarket currently show as the implied probability of the Democratic candidate winning the 2024 US presidential election? Give me the Yes/No odds and any whale sentiment signals.”
Crypto regulatory event odds
“Pull the live Polymarket orderbook odds for 'Bitcoin spot ETF approval in the US' — I want to see the implied yes probability, 24h volume, and whether whales are leaning yes or no.”
Macro recession prediction market
“Check Polymarket right now for the implied probability of a US recession starting before end of 2025 — show me the current yes/no odds and trading volume.”
Technical details
Endpoint
GEThttps://mcp-security.agentdiet.dev/v1/event-probabilities?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need real-time crowd-sourced probability estimates for specific macro, crypto, or AI events from Polymarket's prediction market, especially when you want implied probability percentages rather than subjective analyst forecasts. It is ideal for agents that need live market-derived sentiment, volume signals, and whale positioning for decision support or information display.
Side effects
- Topic not found on Polymarket — returns empty or null results if no matching market exists
- Ambiguous topic keyword matches multiple markets — may return unexpected or merged data
- Polymarket API downtime or rate limiting — endpoint may return errors or stale data
- Payment failure (x402) — call rejected if micropayment is not properly submitted
- Overly broad topic query returns low-confidence aggregated odds across many 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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