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NetIntel Prediction Markets
x402
NetIntel Prediction Markets is a paid API for AI agents from netintel.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Fetches live Polymarket prediction-market odds — list top active markets by volume or search by keyword, with implied probabilities, volume, and resolution dates
Price / call$0.005
Success—
StatusUnknown
How this service works
Live prediction-market odds from Polymarket — list the top active markets by volume, or search by keyword. Each result has the question, outcomes with current prices (implied probabilities), 24h/total volume, liquidity, and resolution date. No API key. Great for agents tracking real-world event probabilities (elections, crypto, sports, econ). Pass params as query (GET) or a JSON body (POST).
Output
A JSON object with a count, echoed query, source (polymarket), effective status filter, and an array of markets. Each market includes: unique ID, Polymarket URL, slug, active/closed flags, category, ISO 8601 resolution date, a list of outcomes with implied probability prices (0–1 scale), lifetime volume in USD, 24h volume in USD, and liquidity in USD. Results are ordered by volume (browse mode) or relevance (search mode). Also includes a findings array for edge cases like no results or clamped limits.
Example use cases
Election odds for political briefing
“Pull the top 10 active Polymarket markets related to the 2026 US elections — I want each candidate's implied win probability and how much volume has traded in the last 24 hours.”
Bitcoin price prediction tracking
“Search Polymarket for active markets about Bitcoin hitting price targets — give me the questions, current Yes/No probabilities, and when each market resolves.”
Macro event probability monitoring
“Find me the most active Polymarket markets on Fed interest rate decisions and recession probability — show up to 20 results with their liquidity and 24h volume.”
Technical details
Endpoint
GEThttps://netintel.dev/prediction/marketsWhen to prefer
Use this endpoint when you need real-time crowd-sourced event probabilities from Polymarket — elections, crypto price targets, economic events, sports, or geopolitical outcomes. Prefer this over news or analyst sources when you want market-implied probabilities rather than qualitative opinions. It requires no API key and costs only $0.005 per call, making it ideal for agent workflows that need live probability signals at low cost.
Side effects
- No markets found for keyword — returns empty markets array with 'no_results' finding
- limit out of range — clamped to 1–50 and flagged with 'limit_clamped' finding
- Invalid status value — flagged with 'invalid_status' finding and defaults to active
- Polymarket upstream unavailable — may return stale cached data or error
- Outcomes unparseable from upstream — flagged with 'outcomes_unparseable' finding
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"count": 2,
"query": "bitcoin",
"source": "polymarket",
"status": "active",
"markets": [
{
"id": "3257332",
"url": "https://polymarket.com/market/will-bitcoin-reach-100k-in-august-2026",
"slug": "will-bitcoin-reach-100k-in-august-2026",
"active": true,
"closed": false,
"category": "Crypto",
"end_date": "2026-09-01T04:00:00Z",
"outcomes": [
{
"price": 0.0005,
"outcome": "Yes"
},
{
"price": 0.9995,
"outcome": "No"
}
],
"question": "Will Bitcoin reach $100,000 in August?",
"volume_usd": 3088033.25,
"liquidity_usd": 220656.48,
"volume_24h_usd": 39531.94
},
{
"id": "3257334",
"url": "https://polymarket.com/market/will-bitcoin-reach-85k-in-august-2026",
"slug": "will-bitcoin-reach-85k-in-august-2026",
"active": true,
"closed": false,
"category": "Crypto",
"end_date": "2026-09-01T04:00:00Z",
"outcomes": [
{
"price": 0.0005,
"outcome": "Yes"
},
{
"price": 0.9995,
"outcome": "No"
}
],
"question": "Will Bitcoin reach $85,000 in August?",
"volume_usd": 1674348.63,
"liquidity_usd": 122917.85,
"volume_24h_usd": 194808.39
}
],
"findings": [],
"cache_age_seconds": 0
}
}Tags
x402
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