Read native coin and USDC balances for any EVM wallet on Base, Ethereum, Polygon
Read native coin and USDC balances for any EVM wallet on Base, Ethereum, Polygon, Arbitrum or Optimism, with atomic amounts and current block. No RPC key or account. Try GET /wallet-balance/sample.
Answeringour last check, 2026-09-25
1 of 1checks answered this week
966 msmedian answer time
$0.001listed price per call
$0.001price 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.agentindex.world/wallet-balance
| Category | Market data |
|---|---|
| Provider host | x402.agentindex.world |
| Networks | eip155:8453 |
| 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 | $0.001 | 966 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"address": "0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d",
"network": "base"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "EVM wallet address (0x followed by 40 hexadecimal characters).",
"type": "string"
},
"network": {
"description": "EVM network to read; aliases and CAIP-2 identifiers are also accepted.",
"enum": [
"base",
"ethereum",
"polygon",
"arbitrum",
"optimism"
],
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"address": {
"type": "string"
},
"block_number": {
"type": "integer"
},
"native": {
"type": "object"
},
"network": {
"type": "object"
},
"usdc": {
"type": "object"
},
"x402_receipt": {
"type": "object"
}
},
"required": [
"address",
"network",
"block_number",
"native",
"usdc"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}