Base wallet screening with provider coverage, address-security flags and account nonce
Base wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities.
10000 (raw units)
price
6
calls / 30d
3
unique payers
2026-09-17
updated
Provider
api.sys84.org · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x64e4e6c18849ba687A468dcad0A582AC6f8089E4",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"category": "agent-risk",
"description": "Base wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities.",
"info": {
"category": "agent-risk",
"description": "Base wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities.",
"input": {
"body": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"chain": "base",
"refresh": true
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"method": "POST",
"name": "SYS84 Wallet Risk Snapshot",
"output": {
"example": {
"chain": "base",
"quality": {
"confidence": 1,
"data_age_seconds": 0,
"degraded": false,
"partial": false,
"provider_status": {
"address_security": "available",
"token_balances": "available",
"tx_count": "available"
},
"unavailable_sources": []
},
"reasons": [
"no_onchain_history"
],
"refresh": true,
"risk_level": "low",
"risk_score": 30,
"service": "wallet_risk_snapshot",
"signals": {
"info_flags": [],
"is_safe": true,
"token_positions": 0,
"tx_count": 0,
"wallet_type": "eoa",
"whale_tier": "🐟 Retail"
},
"sources": {
"risk_model": "sys84_wallet_risk_snapshot_v1",
"wallet_intel": "alchemy_token_balances + base_tx_count + goplus_address_security"
},
"ts": 1785806733,
"verdict": "allow_with_limits",
"wallet": "0x64e4e6c18849ba687A468dcad0A582AC6f8089E4"
},
"type": "json"
},
"provider": "SYS84",
"routeTemplate": "https://api.sys84.org/v1/services/wallet_risk_snapshot",
"serviceName": "SYS84 Wallet Risk Snapshot",
"tags": [
"sys84",
"x402",
"agent",
"risk",
"wallet",
"security",
"defi",
"base"
]
},
"method": "POST",
"name": "SYS84 Wallet Risk Snapshot",
"provider": "SYS84",
"routeTemplate": "https://api.sys84.org/v1/services/wallet_risk_snapshot",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"address": {
"description": "string EVM wallet address to score",
"type": "string"
},
"chain": {
"description": "string optional, only base is supported",
"type": "string"
},
"refresh": {
"description": "boolean optional, all calls currently read fresh upstream data",
"type": "boolean"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "string EVM wallet address to score",
"type": "string"
},
"chain": {
"description": "string optional, only base is supported",
"type": "string"
},
"refresh": {
"description": "boolean optional, all calls currently read fresh upstream data",
"type": "boolean"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"quality": {
"description": "object partial/degraded state, unavailable sources, provider status, provider coverage, data age seconds; confidence is null until calibrated",
"type": "object"
},
"reasons": {
"description": "array of machine-readable reasons including contract_requires_separate_assessment, no_outgoing_transactions, few_outgoing_transactions, wallet_security_flags, and provider_data_partial",
"type": "array"
},
"refresh": {
"description": "boolean whether fresh upstream checks were requested",
"type": "boolean"
},
"risk_level": {
"description": "string minimal/low/medium/high/invalid",
"type": "string"
},
"risk_score": {
"description": "number 0-100, higher is riskier",
"type": "number"
},
"signals": {
"description": "object account nonce, outgoing transaction count for EOAs only, token positions and security flags; whale tier and unproven safety are null",
"type": "object"
},
"sources": {
"description": "object provider and risk-model identifiers",
"type": "object"
},
"ts": {
"description": "number Unix observation timestamp",
"type": "number"
},
"verdict": {
"description": "string allow/allow_with_limits/review/deny",
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"serviceName": "SYS84 Wallet Risk Snapshot",
"tags": [
"sys84",
"x402",
"agent",
"risk",
"wallet",
"security",
"defi",
"base"
]
}
}Use it
curl
curl "https://api.sys84.org/v1/services/wallet_risk_snapshot" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://api.sys84.org/v1/services/wallet_risk_snapshot");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://api.sys84.org/v1/services/wallet_risk_snapshot")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/8657.json, and this resource appears in /discovery/resources and /discovery/search.