One call for an address on Base or Ethereum
One call for an address on Base or Ethereum: native ETH balance, USDC balance, whether it is a contract (or an EIP-7702 delegated account), code size and nonce. Read live from public RPC nodes at the latest block.
Answeringour last check, 2026-10-11
1 of 1checks answered this week
205 msmedian answer time
$0.003listed price per call
$0.003price 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://rooms.aurmada.com/x402/v1/onchain/address
| Category | Code and developer |
|---|---|
| Provider host | rooms.aurmada.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-11 | valid payment request | 402 | $0.003 | 205 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"address": "0x3304E22DDaa22bCdC5fCa2269b418046aE7b566A",
"chain": "base"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"address": {
"description": "0x address.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"chain": {
"description": "Chain (default base).",
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}