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Arkham x402 Polymarket Wallet USDC Balance
x402
Arkham x402 Polymarket Wallet USDC Balance 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 USDC balance for a specified wallet address on Polymarket, sourced from Arkham's on-chain intelligence data.
Price / call$0.2
Success—
StatusUnknown
How this service works
Get Arkham Polymarket wallet balance summary. $0.20 per call.
Output
Returns a JSON object containing the wallet's USDC balance as a string (which may be negative, indicating net exposure) and the queried wallet address. Example: {"usdcBalance": "-15906.549249", "userAddress": "0xBDDF61Af533fF524D27154e589d2D7A81510C684"}.
Example use cases
Trader balance check before betting
“Before I place a large position, can you check how much USDC the wallet 0xBDDF61Af533fF524D27154e589d2D7A81510C684 currently has available on Polymarket?”
Monitoring a whale's Polymarket funds
“Keep an eye on this address — 0xBDDF61Af533fF524D27154e589d2D7A81510C684 — and tell me what their current USDC balance is on Polymarket right now using Arkham.”
On-chain due diligence for a counterparty
“I'm researching a Polymarket trader at address 0xBDDF61Af533fF524D27154e589d2D7A81510C684 — can you pull their current USDC balance from Arkham's wallet data?”
Technical details
Endpoint
POSThttps://api.arkm.com/x402/polymarket/wallet/summary/balanceWhen to prefer
Choose this endpoint when you need fast, programmatic access to a specific wallet's Polymarket USDC balance with Arkham's on-chain intelligence backing. Prefer it over manual block explorer lookups when building automated trading monitors, risk dashboards, or due diligence tools that need structured balance data for Polymarket accounts. The x402 pay-per-request model makes it cost-effective for infrequent or one-off lookups without a subscription.
Side effects
- Invalid or malformed wallet address returns an error
- Address not found on Polymarket returns empty or zero balance
- Network congestion or on-chain indexing lag may cause stale data
- Insufficient USDC payment via x402 protocol causes request rejection
- Rate limiting if too many requests are made in a short window
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| addr | — | Required. Polymarket trade address (0x + 40 hex chars). |
Output
Schema · Response
{
"type": "json",
"example": {
"usdcBalance": "-15906.549249",
"userAddress": "0xBDDF61Af533fF524D27154e589d2D7A81510C684"
}
}Tags
x402
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