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Prediction Market Event Lookup
x402
Prediction Market Event Lookup is a paid API for AI agents from x402-stock-indicators.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Fetches real-time prediction market data for a specific event by slug, including outcomes, probabilities, trading volume, and market status from Polymarket.
Price / call$0.01
Success—
StatusUnknown
How this service works
Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.
Output
Returns a JSON object containing the event slug, human-readable title, data source (e.g. Polymarket), market status (active/closed), an array of outcomes each with label, market ID, USD trading volume, and probability, the market close date, and the total number of outcomes.
Example use cases
Track political election odds
“What are the current Polymarket odds on who will be the next Prime Minister of Ethiopia? Give me each outcome's probability and how much volume is trading on it.”
Monitor active market before close
“Check the prediction market event with slug 'us-recession-2025' on Polymarket — is it still active, and what's the current probability for each outcome?”
Research high-volume geopolitical markets
“I want to know which outcomes are being bet on most heavily for the 'next-nato-member' Polymarket event — show me the volume in USD and the probabilities for each outcome.”
Technical details
Endpoint
GEThttps://x402-stock-indicators.vercel.app/prediction-market-event/%7Bslug%7DWhen to prefer
Use this endpoint when you need structured, per-outcome probability and volume data for a specific Polymarket prediction market event identified by its slug, without needing an API key or subscription — ideal for pay-per-call agent workflows using USDC micropayments over x402.
Side effects
- Invalid or non-existent slug returns a 404 or empty result
- Market may be closed or resolved, returning a status other than 'active'
- Payment failure over x402 protocol if USDC balance is insufficient
- Slug format mismatch (e.g. using spaces instead of hyphens) causes lookup failure
- Stale data if Polymarket feed is delayed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"slug": "next-prime-minister-of-ethiopia",
"title": "Next Prime Minister of Ethiopia?",
"source": "polymarket",
"status": "active",
"outcomes": [
{
"label": "Will Abiy Ahmed be the next Prime Minister of Ethiopia?",
"market_id": "will-abiy-ahmed-be-the-next-prime-minister-of-ethiopia",
"volume_usd": 123390.75,
"probability": 0.9395
},
{
"label": "Will someone else be the next Prime Minister of Ethiopia?",
"market_id": "will-someone-else-be-the-next-prime-minister-of-ethiopia",
"volume_usd": 41200.5,
"probability": 0.03
}
],
"close_date": "2026-12-31T12:00:00Z",
"outcome_count": 2
}
}Tags
x402
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