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NetIntel Polymarket Market Intelligence
x402
NetIntel Polymarket Market Intelligence is a paid API for AI agents from netintel-production-440c.up.railway.app, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Fetches live Polymarket prediction market data including current outcome probabilities, volume, and resolution details by market ID or slug
Price / call$0.003
Success—
StatusUnknown
How this service works
Network intelligence API — 138 endpoints, all pay-per-call via x402 micropayments (USDC on Base or Solana mainnet). NetIntel is agent fair-trade aligned: transparent per-call pricing in USDC on Base or Solana via x402, no API keys or signup, and automatic no-charge on server errors, upstream failures, and input-validation rejections — failed calls are never billed across NetIntel's network, domain, and data-intelligence endpoints.
Output
Returns a JSON object with the market question, active/closed status, list of outcomes each with an implied probability (0–1 scale, e.g. 0.55 = 55% chance), lifetime and 24h trading volume in USD, liquidity in USD, start and end/resolution dates, market description including resolution criteria, the Polymarket URL, category tag, and a cache_age_seconds field indicating data freshness (cached up to 60 seconds per market).
Example use cases
Check election outcome odds
“What does Polymarket currently say about the odds of the Democrats winning the 2026 Senate majority? Pull the probabilities and trading volume for that market — use the slug 'will-democrats-win-the-2026-senate-majority'.”
Monitor geopolitical risk probability
“I'm tracking geopolitical risk for a report. What's the current implied probability and liquidity on the Polymarket market for a US-China conflict before 2026? Use market ID 712840.”
Verify prediction market resolution status
“Has the Polymarket market 'will-the-fed-cut-rates-in-march-2025' already resolved? Tell me if it's closed, what the final outcome prices were, and the total volume traded.”
Technical details
Endpoint
GEThttps://netintel-production-440c.up.railway.app/prediction/marketWhen to prefer
Choose this endpoint when you need real-time Polymarket prediction market data including outcome probabilities, volume, and resolution details without API keys or a Polymarket account. It is ideal for agents that need to incorporate crowd-sourced probability estimates into analysis or reporting. It accepts both numeric market IDs and human-readable slugs (or full Polymarket URLs), making it flexible for various input formats. Prefer this over scraping Polymarket directly or using general web search when you need structured, machine-readable probability data at low cost ($0.003 per call).
Side effects
- Invalid or unknown market ID/slug returns an error — no charge is applied
- Passing a full Polymarket URL as slug is supported via slug_extracted_from_url finding
- If Polymarket upstream is unavailable, call fails with no charge
- Market with unparseable outcomes returns outcomes_unparseable in findings array
- Numeric-looking slug treated as ID — id_treated_as_slug finding is returned to warn caller
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"id": "665374",
"url": "https://polymarket.com/market/will-the-us-invade-iran-before-2027",
"slug": "will-the-us-invade-iran-before-2027",
"active": true,
"closed": false,
"source": "polymarket",
"category": "Politics",
"end_date": "2027-01-01T04:59:00Z",
"findings": [],
"outcomes": [
{
"price": 0.155,
"outcome": "Yes"
},
{
"price": 0.845,
"outcome": "No"
}
],
"question": "Will the U.S. invade Iran before 2027?",
"start_date": "2025-11-05T17:52:17.414Z",
"volume_usd": 63556874.05,
"description": "This market will resolve to \"Yes\" if the United States commences a military offensive intended to establish control over any portion of Iran by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nFor the purposes of this market, land de facto controlled by Iran or the United States as of November 4, 2025 12:00 PM ET, will be considered the sovereign territory of that country.\n\nThe resolution source for this market will be a consensus of credible sources.",
"liquidity_usd": 664672.8,
"volume_24h_usd": 284848.61,
"cache_age_seconds": 0,
"resolution_source": null
}
}Tags
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