Overview
Historical balances, wallet. Historical balances of any 0x address on Base: ETH and the main tokens (USDC, WETH, cbBTC, DAI, USDbC, cbETH, AERO, EURC, plus up to 5 more) read at one block per day for up to 30 days, with ETH priced from the on-chain Uniswap pool at each date and the USD value change. Use to see how a wallet's holdings moved, check a balance on a past date, or chart a treasury.
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/defi
Provider
Historical balances, wallet
Indexed
2026-11-06 11:08:12
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
Input Schema
{
"method": "GET",
"queryParams": {
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
},
"type": "http"
}
Output Schema
{
"example": {
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"chain": "Base",
"chainId": 8453,
"change": {
"percent": 1.61,
"valueUsd": 30.1
},
"days": 1,
"note": "Balances read at one block per day (Base makes a block every 2 s). valueUsd counts ETH, WETH, USDC and USDbC only.",
"points": [
{
"block": 37900000,
"date": "2026-11-04",
"eth": "0.5",
"ethUsd": 3500.12,
"tokens": {
"USDC": "120.5"
},
"valueUsd": 1870.56
},
{
"block": 37943200,
"date": "2026-11-05",
"eth": "0.4",
"ethUsd": 3550.4,
"tokens": {
"USDC": "480.5"
},
"valueUsd": 1900.66
}
],
"tokensChecked": [
"USDC",
"WETH",
"cbBTC",
"DAI",
"USDbC",
"cbETH",
"AERO",
"EURC"
]
},
"type": "json"
}