Read a public EVM wallet balance on Base or Ethereum and determine whether its Base USDC b
Read a public EVM wallet balance on Base or Ethereum and determine whether its Base USDC balance can cover a suggested $0.001 x402 payment. Returns a coherent provider snapshot, USDC runway, shortfall, native-gas presence, and a handoff to the full funding-readiness doctor without signing, broadcasting, or handling private keys. Balance-only readiness does not prove client, signing, spend-cap, or retry capability. GET variant for agents, crawlers, and wallets that prefer query parameters over...
1000 (raw units)
price
1
calls / 30d
1
unique payers
2026-08-12
updated
Provider
gpt55.558686.xyz · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x1f0130669ca6fd02e025a984cc038f139df19a2f",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x1f0130669ca6fd02e025a984cc038f139df19a2f",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "85uMvNfi3rueiM6B8SWLuRRVbAP85wmKAg1fToabmgwx",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "1000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"address": "0x1111111111111111111111111111111111111111",
"network": "base"
},
"type": "http"
},
"output": {
"example": {
"address": "0x1111111111111111111111111111111111111111",
"blockNumber": "1234567",
"chainId": "eip155:8453",
"nativeBalance": {
"decimals": 18,
"formatted": "1",
"raw": "1000000000000000000",
"symbol": "ETH"
},
"network": "base",
"observedAt": "2026-08-10T00:00:00.000Z",
"ok": true,
"rpcProviderHost": "rpc.example.test",
"tool": "evmWalletBalance",
"usdcBalance": {
"decimals": 6,
"formatted": "1.234567",
"raw": "1234567",
"symbol": "USDC",
"tokenAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"x402Readiness": {
"assessment": "balance_ready",
"balanceOnly": true,
"canCoverSuggestedX402Amount": true,
"fundingReadinessDoctor": {
"guideUrl": "https://gpt55.558686.xyz/x402/wallet-funding-readiness-doctor",
"paidUrl": "https://gpt55.558686.xyz/v1/tools/x402-wallet-funding-readiness-doctor"
},
"limitations": [
"Balance signals do not prove payment-client, typed-data signing, spend-cap, or same-request retry readiness."
],
"nativeGasPresent": true,
"shortfall": {
"atomic": "0",
"formatted": "0"
},
"suggestedPayment": {
"amountAtomic": "1000",
"amountUsd": "0.001",
"asset": "USDC",
"network": "eip155:8453"
},
"usdcRunwayAtSuggestedAmount": "1234",
"walletNetworkMatches": true
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"additionalProperties": true,
"type": "object"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"address": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"chain": {
"enum": [
"base",
"ethereum",
"mainnet",
"eip155:8453",
"eip155:1",
"8453",
"1"
],
"type": "string"
},
"network": {
"default": "base",
"enum": [
"base",
"ethereum",
"mainnet",
"eip155:8453",
"eip155:1",
"8453",
"1"
],
"type": "string"
},
"wallet": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": true,
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://gpt55.558686.xyz/v1/tools/evm-wallet-balance" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://gpt55.558686.xyz/v1/tools/evm-wallet-balance");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://gpt55.558686.xyz/v1/tools/evm-wallet-balance")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/5819.json, and this resource appears in /discovery/resources and /discovery/search.