# x402node Wallet Balance (EVM Multi-Chain)

> x402node Wallet Balance (EVM Multi-Chain) is a paid API for AI agents from api.x402node.dev, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-14).

Returns native ETH balance and optional ERC-20 token balances (USDC, USDT, DAI) for any EVM wallet address across Ethereum and/or Base chains.

## Facts

- Endpoint: GET https://api.x402node.dev/chain/wallet-balance
- Price: $0.004/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402node-wallet-balance-evm-multi-chain-54a92227
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_IXYv7jO3GnkS7Ze3vtMup

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402node-wallet-balance-evm-multi-chain-54a92227
```

Example prompt: What's the ETH balance and USDC and USDT holdings for wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on both Ethereum and Base?

## When to prefer this

Use this endpoint when you need wallet balances specifically on Ethereum or Base chains, and want native ETH plus ERC-20 token balances (USDC, USDT, DAI) in a single call. Prefer over the sibling native-only endpoint when ERC-20 token holdings are also needed. If you need balances on Arbitrum, Optimism, or Polygon, consider the sibling multi-chain native balance endpoint instead.

## Known failure modes

- Invalid or missing wallet address returns 400 error
- Unsupported chain parameter value returns error
- Unsupported token symbol silently omitted or returns error
- Network/RPC timeout causes 500 or delayed response
- Rate limiting or payment failure returns 402 or 429

## How this service works

Wallet balance across EVM chains. Pass address=0x... and get native ETH balance on Ethereum and Base, plus optional ERC-20 token balances (USDC, USDT, DAI). Set chain=ethereum|base|all and token=USDC,USDT. For AI agents needing wallet balance, ETH balance and token holdings. 钱包余额查询。

## Output

Returns the native ETH balance of the specified wallet and, if requested, ERC-20 token balances (USDC, USDT, DAI) on the specified chain(s) (Ethereum, Base, or both). Data includes balance amounts per chain per asset.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "address"
     ],
     "properties": {
      "chain": {
       "type": "string",
       "description": "ethereum, base, or all (comma-separated allowed). Default ethereum."
      },
      "token": {
       "type": "string",
       "description": "Optional ERC-20 symbols to also fetch, e.g. USDC,USDT,DAI. Alias: tokens."
      },
      "address": {
       "type": "string",
       "description": "EVM wallet address, e.g. 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. Alias: addr, wallet."
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402node-wallet-balance-evm-multi-chain-54a92227/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.x402node.dev](https://www.zero.xyz/host/api.x402node.dev/llms.txt)