Real-Time Prediction Market Arbitrage

Get instant alerts on arbitrage opportunities across Polymarket and other prediction markets. Our advanced scanner monitors price differences in real-time, helping you capitalize on market inefficiencies.

Real-Time Scanning

Continuous monitoring of market prices every 5 minutes

Cross-Platform Arbitrage

Detect opportunities between Polymarket and Kalshi

REST API Access

Simple HTTP endpoints for easy integration

Simple Pricing

$29/month

Complete access to all arbitrage signals

  • Real-time arbitrage alerts
  • REST API access
  • Scanner status monitoring
  • Historical signal data
  • Cancel anytime

7-day free trial • Secure payment via Stripe

API Documentation

Available Endpoints

GET /api/signals

Get recent arbitrage signals (last 10)

GET /api/signals/live

Get active arbitrage opportunities

GET /api/scanner/status

Check scanner health and stats

Example Usage 

curl -X GET "https://api.polymarketsignals.com/api/signals" \
  -H "x-api-key: YOUR_API_KEY"

# Response:
{
  "ok": true,
  "data": [
    {
      "id": "arb_123",
      "polymarketPrice": 0.65,
      "kalshiPrice": 0.58,
      "spread": 0.07,
      "confidence": 0.92,
      "timestamp": "2026-03-20T10:15:00Z"
    }
  ]
}

Live Scanner Status

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Scanner Status

-

Markets Scanned

-

Opportunities Found

Last scan: -

Frequently Asked Questions

How often does the scanner run?

The scanner monitors markets every 5 minutes, ensuring you get real-time alerts on arbitrage opportunities as they emerge.

What markets are covered?

Currently we monitor Polymarket and Kalshi, with plans to expand to additional prediction market platforms based on user demand.

How do I use the API?

After subscribing, you'll receive an API key that you can use to access our REST endpoints. Include it in your requests as an "x-api-key" header.

Can I cancel anytime?

Yes! Your subscription can be cancelled at any time. You'll continue to have access until your current billing period ends.