FreeTier Agent API: wallet-profile
https://freetier-agent-api.pages.dev/api/wallet-profileOverview
Base/Ethereum address -> EOA, contract or EIP-7702 account; ETH balance, nonce, balances of major tokens (USDC, USDT, EURC, DAI, WETH, cbBTC); for contracts proxy implementation, owner, ERC-20 metadata and Sourcify verification. $0.001 per call, 1 free call per caller.
Protocol
x402
Price
$0.0050
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto
Provider
FreeTier Kits
Source
self-registered
Indexed
2026-10-25 12:21:54
Health
Status
healthy
Latency (p50)
447ms
Uptime (30d)
97.0%
Reliability Score
90.5/100
Last Checked
2026-10-31 07:02:34
Last Healthy
2026-10-31 07:02:34
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"address": "0x165Eb3dC3E98403ecB1141e90400F5e71806554B",
"chain": "base"
},
"type": "http"
}
Output Schema
{
"example": {
"address": "0x...",
"chain": "base",
"ethBalance": "0.0123",
"nonce": 42,
"tokenBalances": [
{
"balance": "12.5",
"symbol": "USDC"
}
],
"type": "eoa"
},
"type": "json"
}