Base wallet screening with provider coverage, address-security flags and account
Base wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
604 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.sys84.org/v1/services/wallet_risk_snapshot
| Category | Market data |
|---|---|
| Provider host | api.sys84.org |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 6 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 604 ms |
Example input (from the provider)
{
"body": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"chain": "base",
"refresh": true
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$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"
}