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Polymarket Market Odds by Slug
x402
Polymarket Market Odds by Slug is a paid API for AI agents from x402-services-production.up.railway.app, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Returns outcomes, probabilities, trading volume, and liquidity for a specific Polymarket prediction market identified by its slug
Price / call$0.005
Success—
StatusUnknown
How this service works
Odds for a specific Polymarket market by slug: outcomes, probabilities, volume, liquidity. Send { slug }.
Output
Returns a structured object with all outcomes for the specified Polymarket market, each with its implied probability, plus aggregate trading volume and liquidity metrics for the market.
Example use cases
Example prompt
“What are the current odds and outcome probabilities on the Polymarket market with slug 'will-donald-trump-win-the-2024-us-presidential-election', including volume and liquidity?”
Technical details
Endpoint
POSThttps://x402-services-production.up.railway.app/api/predict/marketWhen to prefer
Use this endpoint when you know the exact Polymarket market slug and need detailed outcome probabilities, volume, and liquidity for that specific market. Prefer this over the search endpoint when you already have the slug and want precise market data rather than searching by keyword.
Side effects
- Invalid or misspelled slug returns a 404 or empty result
- Market no longer active or resolved returns stale or empty data
- Network timeout or upstream Polymarket API unavailability
- Payment failure (insufficient USDC balance) results in 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| slugrequired | string | Market slug from a predict/odds url |
Tags
x402
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