ERC20 and native ETH wallet balance on Base or Ethereum mainnet, for a 0x addres
ERC20 and native ETH wallet balance on Base or Ethereum mainnet, for a 0x address or an ENS name. decimals() and symbol() are read from the contract at request time rather than assumed, because assuming 18 reports a USDC balance a trillion times too…
Answeringour last check, 2026-09-25
1 of 1checks answered this week
323 msmedian answer time
$0.002listed price per call
$0.002price 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
GET https://x402.ochinimus.app/api/base-balance
| Category | Market data |
|---|---|
| Provider host | x402.ochinimus.app |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-25 | valid payment request | 402 | $0.002 | 323 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"address": "0x22DB3A9686EE5261e7Bf3ed4f91277232E8076e6"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "0x address (40 hex) or an ENS name ending .eth",
"type": "string"
},
"chain": {
"description": "base (default) or ethereum",
"type": "string"
},
"token": {
"description": "ERC20 contract address, or a known ticker: USDC, WETH, DAI, CBBTC, USDBC, CBETH, AERO, EURC. Omit for the native ETH balance",
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"address": {
"type": "string"
},
"asset": {
"type": "string"
},
"balance": {
"type": "number"
},
"balance_wei": {
"type": "string"
},
"chain": {
"type": "string"
},
"chain_id": {
"type": "number"
},
"source": {
"type": "string"
}
},
"type": "object"
},
"paid": {
"type": "boolean"
},
"tool": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}