Overview
Profile of an EVM address on Base, Ethereum, OP Mainnet or Arbitrum in one call: EOA, contract or EIP-7702 account, age, transactions sent, native and major token balances (USDC, USDT, EURC, DAI, WETH, BTC), Sourcify-verified source and name, proxy and implementation, token metadata, labels (OFAC SDN, Chainalysis oracle, known issuers) and a risk verdict with reasons. Useful to know who an address is before paying, listing or trusting it.
Protocol
x402 (POST)
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/balances
Provider
Agent Risk Desk
Indexed
2026-10-31 23:36:52
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
Output Schema
{
"example": {
"age": {
"atLeast": false,
"basis": "when it first held code or sent a transaction",
"days": 1180.4,
"firstSeenAt": "2023-08-24T19:03:47.000Z",
"firstSeenBlock": 2797221
},
"balances": {
"checkedTokens": 6,
"native": {
"address": null,
"formatted": "0",
"raw": "0",
"symbol": "ETH"
},
"tokens": []
},
"cached": {
"facts": false
},
"checkedAt": "2026-10-31T18:00:00.000Z",
"contract": {
"codeHash": "0x...",
"codeSize": 1852,
"proxy": {
"admin": null,
"implementation": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779",
"type": "zeppelinos"
},
"source": {
"compilerVersion": "0.6.12+commit.27d51765",
"implementation": {
"address": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779",
"name": "FiatTokenV2_2"
},
"language": "Solidity",
"match": "exact_match",
"name": "FiatTokenProxy",
"url": "https://repo.sourcify.dev/8453/0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"verified": true,
"verifiedAt": "2024-08-08T13:59:29Z"
},
"token": {
"decimals": 6,
"name": "USD Coin",
"owner": "0x...",
"ownerRenounced": false,
"symbol": "USDC",
"totalSupply": "4200000000000000"
}
},
"delegate": null,
"errors": [],
"kind": "contract",
"labels": [
{
"label": "USDC (Circle)",
"source": "known_tokens"
},
{
"label": "verified contract: FiatTokenProxy",
"source": "sourcify"
}
],
"risk": {
"reasons": [],
"signals": [
"contract_account",
"upgradeable_proxy",
"account_age",
"known_token"
],
"verdict": "allow"
},
"subject": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"chain": "base",
"chainId": 8453,
"type": "evm"
},
"summary": "contract FiatTokenProxy on Base, 1180 days old, 1 tx sent, holds 0 ETH; risk allow",
"transactionsSent": 1
},
"type": "json"
}