# Base ETH Balance for Buyer/Treasury Wallet

> Base ETH Balance for Buyer/Treasury Wallet 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).

Returns the live native ETH balance of a given wallet address on the Base blockchain, focused on treasury monitoring use cases.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/crypto-base-eth-balance-treasury?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-for-buyer-treasury-wallet-3887cb62
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_t3LDoMXEIxxCHghxF4ckI

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-for-buyer-treasury-wallet-3887cb62 -d '<json body>'
```

Example prompt: What's the current native ETH balance on Base for the treasury wallet at 0x00cF9902A0c936D5342AC076a57047A2AAEfddef?

## When to prefer this

Use this endpoint when you specifically need the native ETH balance on the Base L2 network (not Ethereum mainnet or other chains) for treasury or buyer wallet monitoring purposes. Prefer this over generic blockchain explorers when you need a paid, reliable, low-latency lookup with live Coinbase/Base RPC data backing.

## Known failure modes

- Invalid or malformed Ethereum address returns an error
- Address with zero balance may return 0 rather than an error
- Network unavailability from Base RPC could cause timeout or failure
- Rate limiting if too many requests are made in quick succession

## How this service works

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

## Output

Returns the current native ETH balance of the specified wallet address on the Base blockchain, sourced from live Coinbase Exchange or Base RPC data. The balance reflects the real-time on-chain state of the address.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "address": {
   "type": "string",
   "default": "0x00cF9902A0c936D5342AC076a57047A2AAEfddef"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/base-eth-balance-for-buyer-treasury-wallet-3887cb62/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)