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Polymarket Combinatorial Arbitrage Scanner
x402
Polymarket Combinatorial Arbitrage Scanner is a paid API for AI agents from agenttoll.dev, paid per call via x402, $0.06/call, status unknown (last checked 2026-09-14).
Scans active Polymarket prediction market events to detect combinatorial arbitrage opportunities across correlated markets
Price / call$0.06
Success—
StatusUnknown
How this service works
108+ receipt-backed x402 work products for AI agents. Clear prices, spend caps, buyer metadata, and structured results over Base USDC.
Output
Returns a structured object containing detected combinatorial arbitrage opportunities across inspected Polymarket events, including details on which events or market combinations show pricing inconsistencies, implied probability gaps, and potential profit margins.
Example use cases
Daily arb opportunity scan
“Check the top 40 active Polymarket events and flag any combinatorial arbitrage opportunities I should know about today.”
Quick market inefficiency check
“Scan Polymarket's 20 most active events right now and tell me if there are any correlated markets where the implied probabilities are inconsistent enough to arb.”
Deep arbitrage sweep
“Do a thorough scan of 100 active Polymarket events and identify all the combinatorial arbitrage opportunities, including which specific markets are involved and the estimated edge.”
Technical details
Endpoint
POSThttps://agenttoll.dev/paid/polymarket/combinatorial-arbWhen to prefer
Use this endpoint when you need to systematically detect combinatorial arbitrage across multiple Polymarket prediction market events in a single call, rather than manually comparing individual markets. It is purpose-built for identifying correlated market mispricings (e.g., where the conjunction of two events is priced inconsistently with their individual markets). Prefer this over generic market data endpoints when the goal is specifically to find tradeable inefficiencies rather than simply retrieving prices or volumes.
Side effects
- Polymarket API unavailable or rate-limited — returns error or empty results
- No arbitrage opportunities found in the inspected events — returns empty opportunities list
- Limit parameter exceeds maximum of 100 — may be capped or rejected
- Network timeout if scanning a large number of events simultaneously
- Stale market data if Polymarket prices are not up-to-date at time of call
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | integer | optional integer; number of active events to inspect before filtering for arbitrage, default 20, max 100 |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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