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Polymarket Get Market by ID or Slug
x402
Polymarket Get Market by ID or Slug is a paid API for AI agents from polymarket-snapshot.x402supply.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-18).
Fetches a single Polymarket prediction market by slug or numeric ID, returning outcome prices, order-book data, volume, liquidity, and resolution status.
Price / call$0.005
Success—
StatusUnknown
How this service works
Searches Polymarket prediction markets by text and returns current outcome prices, volume, liquidity, end date and resolution status. Read-only market data, not financial advice.; Fetches one Polymarket market by slug or id, optionally with best bid/ask, spread and top 5 order-book levels per outcom
Output
Returns a JSON object with an asOf timestamp and a market object containing: numeric ID, slug, active/closed flags, end date, outcome names with current prices and token IDs, question text, resolved flag, liquidity (USDC), 24hr volume, total volume, resolved outcome (if any), and optionally best bid/ask spread plus top 5 order-book levels per outcome. Also includes the upstream Gamma API source URL used.
Example use cases
Check odds before placing a bet
“What are the current Yes and No prices on the Polymarket market with slug 'us-recession-2025', and can you also show me the best bid and ask with the top 5 order book levels?”
Monitor market resolution status
“Has the Polymarket market 'bitcoin-above-84k-on-october-9-2026' resolved yet? If so, what was the winning outcome?”
Research market liquidity and volume
“Look up the Polymarket market with ID 5207028 and tell me its total volume, 24-hour volume, and current liquidity so I can assess how actively traded it is.”
Technical details
Endpoint
POSThttps://polymarket-snapshot.x402supply.com/tools/get_market?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need detailed data for a single, known Polymarket market identified by slug or numeric ID, especially when you need order-book depth (bid/ask spread, top 5 levels). Use the sibling search endpoint first if you need to discover markets by keyword, then call this endpoint to get full detail on a specific result.
Side effects
- Market not found for given slug or ID — returns error or empty result
- Invalid slug format (non-matching pattern) — schema validation error
- Invalid ID format (non-numeric or too long) — schema validation error
- Neither slug nor ID provided — request rejected
- Gamma API upstream unavailable — timeout or 5xx error
- Payment failure — x402 payment not accepted, endpoint returns 402
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| id | string | |
| slug | string | |
| includeBook | boolean |
Output
Schema · Response
{
"type": "json",
"example": {
"asOf": "2026-10-09T15:41:09.333Z",
"market": {
"id": "5207028",
"slug": "bitcoin-above-84k-on-october-9-2026",
"active": true,
"closed": false,
"endDate": "2026-10-09T16:00:00Z",
"outcomes": [
{
"name": "Yes",
"price": 0.0015,
"tokenId": "19237762638725087250431461906504177217210669994224395220619355341866160991623"
},
{
"name": "No",
"price": 0.9985,
"tokenId": "93618513453377158964239064041600906714858234857183117432206005018664887747326"
}
],
"question": "Will the price of Bitcoin be above $84,000 on October 9?",
"resolved": false,
"liquidity": 32376.21131,
"volume24hr": 269998.3403630001,
"volumeTotal": 284993.617939,
"resolvedOutcome": null
},
"source": [
"https://gamma-api.polymarket.com/markets?slug=bitcoin-above-84k-on-october-9-2026"
]
}
}Tags
x402
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