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Prediction Market Cross-Platform Arbitrage Finder
x402
Prediction Market Cross-Platform Arbitrage Finder is a paid API for AI agents from predict.memoryapi.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Identifies arbitrage opportunities across Polymarket, Kalshi, and Manifold prediction markets where the same event is priced differently.
Price / call$0.001
Success—
StatusUnknown
How this service works
Find prediction market arbitrage across Polymarket, Kalshi, and Manifold.
Output
A list of arbitrage opportunities across Polymarket, Kalshi, and Manifold, including the market event, the implied probability or price on each platform, the price discrepancy, and the estimated profit margin available from exploiting the spread.
Example use cases
Example prompt
“Can you scan Polymarket, Kalshi, and Manifold right now and find any arbitrage opportunities where the same event is priced differently enough to profit?”
Technical details
Endpoint
GEThttps://predict.memoryapi.org/x402/predict/platform_arbWhen to prefer
Use this endpoint when you want to simultaneously scan multiple prediction market platforms for pricing inefficiencies on the same event, rather than checking each platform separately. Ideal for trading bots or research agents looking to exploit cross-platform mispricings. Prefer over single-platform endpoints when the goal is arbitrage rather than browsing or researching a specific market.
Side effects
- No arbitrage opportunities found at current time — markets may be efficiently priced
- Rate limiting or payment failure for the $0.001 USDC per call fee
- One or more upstream platforms (Polymarket, Kalshi, Manifold) temporarily unavailable
- Stale pricing data if market moved before response is returned
Input
{
"q": "Bitcoin price prediction",
"tag": "crypto",
"limit": 10
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | — |
Output
{
"pairs": [],
"source": "Polymarket + Kalshi + Manifold",
"success": true,
"disclaimer": "Cross-platform prediction market data. Verify independently before trading.",
"matches_found": 0,
"arb_opportunities": 0,
"platforms_checked": {
"kalshi": 50,
"manifold": 0,
"polymarket": 50
}
}Tags
x402
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