the402 endpoint detail

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graphadvocate.com polymarket risk

https://graphadvocate.com/polymarket/risk

answers 402

Polymarket ghost-fill counterparty risk. POST {wallet}. Returns wallet_type (eoa | smart_account_erc1967 | legacy_smart_account), ghost_fill_risk (low/medium/high), 24h collateral outflow flag. Deposit wallets (POLY_1271, sig type 3) are ghost-fill-immune by design. For MM agents pricing adverse selection before quoting against a maker.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.02
Network
base
Pay to
0x0FF5A6ecef783BBA35463ec2F8403B9B5e9e7C86
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
46 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:30:55.430Z (1h ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fgraphadvocate.com%2Fpolymarket%2Frisk"