Prediction Markets

Prediction Market Cross-Platform Spread

Live cross-platform spread analysis: Polymarket vs Kalshi for identical real-world events. Returns YES probability divergence, arbitrage opportunity ranking by spread magnitude, matchConfidence, actionHint, and edgeBps per opportunity.

post/x402/prediction-market-spread

Request

  • Base URL: https://coinrailz.com
  • URL: https://coinrailz.com/x402/prediction-market-spread
  • Auth: API key in header X-API-KEY

Request body

limitinteger

Max opportunities to return (1-25)

minSpreadPctnumber

Minimum spread in percentage points (e.g. 3 filters out spreads below 3pp)

minConfidence'low' | 'medium' | 'high'

Minimum match confidence tier to include

Response

Cross-platform spread opportunities ranked by magnitude

Changes

No recorded changes to this operation across all 1 revision of this API.