# Base ETH Balance Lookup for Address

> Base ETH Balance Lookup for Address is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-01).

Reads the native ETH balance of any address on the Base blockchain using live RPC data.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/crypto-base-eth-balance-wallet-operations?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/base-eth-balance-lookup-for-address-66540a06
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_6pyS5UNki1s9FSBeWaDWg

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 base-eth-balance-lookup-for-address-66540a06 -d '<json body>'
```

Example prompt: What's the current ETH balance on Base for the wallet address 0x000000000000000000000000000000000000dEaD?

## When to prefer this

Use this endpoint when you need a live, on-chain ETH balance for any Base network address without setting up your own RPC connection. Prefer it over generic Ethereum balance checkers when the target is specifically the Base L2 network. Suitable for wallet dashboards, pre-transaction checks, treasury monitoring, or verifying burn address holdings.

## Known failure modes

- Invalid or malformed Ethereum address returns an error
- Address with no activity may return zero balance
- RPC node downtime or rate limiting may cause timeouts
- Non-Base-compatible address formats may be rejected
- Network congestion may delay live data freshness

## How this service works

Base ETH wallet balance for Wallet operations: Read an address native ETH balance on Base. Focus: wallet operations. Uses live Coinbase Exchange or Base RPC data.

## Output

Returns the native ETH balance of the specified address on the Base blockchain, sourced from live Coinbase Exchange or Base RPC data. Typically includes the balance value in ETH or wei.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "address": {
   "type": "string",
   "default": "0x000000000000000000000000000000000000dEaD"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/base-eth-balance-lookup-for-address-66540a06/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)