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Neuroterminal Market Movers
x402
Neuroterminal Market Movers is a paid API for AI agents from api.neuroterminal.xyz, paid per call via x402, $0.015/call, status unknown (last checked 2026-09-15).
Returns the most uncertain and highest-volume prediction markets across Kalshi and Polymarket, highlighting biggest cross-venue probability gaps.
Price / call$0.015
Success—
StatusUnknown
How this service works
Paid HTTP endpoints for AI agents, settled in USDC on Base via the x402 protocol. No account, no API key — pay per call.
Output
A JSON object with the number of markets scanned per venue, venue availability status, a list of the most uncertain liquid markets (with question text, venue, USD volume, and probability), and the biggest cross-venue probability gaps between Kalshi and Polymarket for equivalent questions.
Example use cases
Prediction market arbitrage scouting
“Find me prediction markets where Kalshi and Polymarket have the biggest disagreement on the same outcome — I want to spot potential arbitrage opportunities across the two venues.”
Uncertain market monitoring for traders
“What are the top 20 most uncertain liquid prediction markets right now, with at least $25,000 in volume? I need the ones hovering closest to 50% probability.”
Research briefing on contested forecasts
“Give me a summary of the most contested prediction market questions across Kalshi and Polymarket today — the ones where neither side has a clear edge.”
Technical details
Endpoint
GEThttps://api.neuroterminal.xyz/v1/market-moversWhen to prefer
Use this endpoint when you need a real-time cross-venue snapshot of uncertain or contested prediction markets, especially for identifying arbitrage gaps between Kalshi and Polymarket, or for surfacing the most liquid near-50% markets without maintaining your own market data pipeline. Prefer this over building direct Kalshi/Polymarket integrations when you need normalized, ranked, cross-venue data in a single pay-per-call call with no API key setup.
Side effects
- Payment not included or insufficient USDC — returns HTTP 402 requiring x402 payment
- Invalid query parameter types (e.g. non-integer 'top') — returns 400 validation error
- Venues temporarily unavailable — venuesAvailable flags may show false, reducing coverage
- No markets meet minVolume threshold — returns empty mostUncertainLiquidMarkets array
- Network timeout if market data sources are slow to respond
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"scanned": {
"kalshi": 1496,
"polymarket": 100,
"liquidAfterFilter": 256
},
"venuesAvailable": {
"kalshi": true,
"polymarket": true
},
"biggestCrossVenueGaps": [],
"mostUncertainLiquidMarkets": [
{
"venue": "polymarket",
"question": "...",
"volumeUsd": 51200,
"probability": 0.46
}
]
}
}Tags
x402
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