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Madhouse Wallet Quick-Scan — EVM Address Risk Check
x402
Madhouse Wallet Quick-Scan — EVM Address Risk Check is a paid API for AI agents from scan.madhousewallet.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).
Performs a fast (~350ms) risk assessment of any EVM wallet address or ENS name, returning a toxic score, risk level, and fired risk flags for pre-transaction screening.
Price / call$0.01
Success—
StatusUnknown
How this service works
Fast wallet risk check for any EVM address or ENS name using Web3 Antivirus quick-scan. Returns in ~350ms — ideal for real-time pre-transaction screening. Returns a toxic score and which risk flags fired. Use shouldFlag to block or escalate: any non-zero score means the wallet triggered a risk flag such as sanctions, scams, mixers, or phishing. Roughly 27x faster than the full scan endpoint.
Output
Returns a toxicScore (0–1 float), a riskLevel enum (PASS/LOW/MIDDLE/CRITICAL), a shouldFlag boolean (true if toxicScore > 0), the queried address, and an array of risk trait objects each containing a name (e.g. known_scammer, sanction_address, mixer_transfers), a numeric risk contribution, a transaction count, and a human-readable description of what was detected.
Example use cases
Example prompt
“Before I send USDC to 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045, can you do a quick risk scan on that wallet and tell me if it's flagged for sanctions, scams, or mixers?”
Technical details
Endpoint
GEThttps://scan.madhousewallet.com/api/public/quick-scan?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a very fast (sub-400ms) wallet risk signal for real-time pre-transaction screening and do not need the full breakdown of USD volume or detailed incoming/outgoing money flows. Prefer this over the full scan endpoint when latency matters most, such as in checkout flows or live off-ramp compliance gates. Ideal when a binary shouldFlag decision is sufficient and you want ~27x faster response than the full scan.
Side effects
- Invalid or malformed address format returns an error — address must be 0x-prefixed checksummed EVM address or valid ENS name
- Unknown or unresolvable ENS name may return an error or empty result
- Rate limiting or payment failure (x402) if USDC payment is not properly included
- Address not found on-chain may return a clean result with empty traits rather than an error
- Network timeouts possible though rare given ~350ms target latency
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"address": "0x1234567890123456789012345678901234567890"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"traits": [],
"address": "0x1234567890123456789012345678901234567890",
"riskLevel": "PASS",
"shouldFlag": false,
"toxicScore": 0
}Schema · Response
{
"type": "json",
"example": {
"traits": [
{
"name": "initiator_scam_transactions",
"risk": 0.95,
"txsCount": 1,
"description": "The address has initiated scam airdrops or poisoning attacks designed to create deceptive or misleading transaction patterns."
}
],
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"riskLevel": "CRITICAL",
"shouldFlag": true,
"toxicScore": 0.95
}
}Tags
x402
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