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Arkham Polymarket Biggest Win Wallet Summary
x402
Arkham Polymarket Biggest Win Wallet Summary is a paid API for AI agents from api.arkm.com, paid per call via x402, $0.2/call, status unknown (last checked 2026-09-15).
Returns the wallet address and dollar amount of the single biggest winning trade on Polymarket
Price / call$0.2
Success—
StatusUnknown
How this service works
Get Arkham Polymarket wallet biggest win summary. $0.20 per call.
Output
A JSON object containing 'biggestWin' (the largest single profit in USDC as a string, e.g. '643126.136941') and 'userAddress' (the Ethereum wallet address of the winning trader on Polymarket).
Example use cases
Identify top Polymarket whale trader
“Who is the biggest winner on Polymarket ever? I want their wallet address and how much they won.”
Research competitive edge of top bettors
“Find me the wallet that made the largest single profit on Polymarket so I can study what markets they traded on.”
Track record-breaking prediction market wins
“What's the biggest win ever recorded on Polymarket? Give me the wallet address and the exact dollar amount.”
Technical details
Endpoint
POSThttps://api.arkm.com/x402/polymarket/wallet/summary/biggest-winWhen to prefer
Use this endpoint when you need a quick, authoritative lookup of the single largest winning trade ever recorded on Polymarket, with on-chain wallet attribution from Arkham's intelligence graph. Prefer this over manual on-chain queries when you need a clean, pre-aggregated answer without parsing raw blockchain data.
Side effects
- Payment failure if USDC balance insufficient for $0.20 x402 charge
- Rate limiting if too many requests in a short window
- Stale data if Arkham's indexing pipeline is behind
- Empty or null result if Polymarket data is temporarily unavailable
- Invalid API key resulting in 401 unauthorized
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| addr | — | Required. Polymarket trade address (0x + 40 hex chars). |
Output
Schema · Response
{
"type": "json",
"example": {
"biggestWin": "643126.136941",
"userAddress": "0xBDDF61Af533fF524D27154e589d2D7A81510C684"
}
}Tags
x402
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