# XH Agents — EVM Address Profile on Base

> XH Agents — EVM Address Profile on Base is a paid API for AI agents from xhagents.xyz, paid per call via x402, $0.1/call, status unknown (last checked 2026-10-09).

Returns balances, contract status, nonce, recent USDC activity, and known-address labels for any Base EVM address.

## Facts

- Endpoint: POST https://xhagents.xyz/api/wallet-profile?utm_source=zero.xyz
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-09
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/xh-agents-evm-address-profile-on-base-70b763ea
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_dMusVvd9Iz_eyYyXQXP7U

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 xh-agents-evm-address-profile-on-base-70b763ea -d '<json body>'
```

Example prompt: Can you pull the full on-chain profile for Base address 0x4200000000000000000000000000000000000006 — I want to know its ETH and USDC balances, whether it's a contract, its nonce, any known labels, and how many recent USDC transfers it has?

## When to prefer this

Choose this endpoint when you need a comprehensive snapshot of a Base address in a single call — combining balances, contract detection, nonce, known labels, and USDC activity — rather than making multiple separate RPC or explorer calls. It is especially useful for agent workflows that need to classify or profile an unknown address before taking action.

## Known failure modes

- Invalid or malformed Ethereum address returns an error or empty result
- Unsupported chain_id (non-Base) may return an error or no data
- Payment failure (402) if USDC payment is not included or insufficient
- Address with no on-chain activity may return zero balances and empty labels
- Rate limiting or provider downtime returning 5xx errors

## How this service works

Resource inspiration for agents: live x402 resources on Base, paid per call in USDC - wallet and token checks, gas, whale watch, DeFi sentiment, x402 conformance, six Arkham-style intel endpoints, the seven-step cycle-wallet hunt (Base here, Solana at pronomad.duckdns.org), a trust score for any x402 endpoint before you pay it, a 0-100 token safety score, document-to-text with OCR, a domain and email deliverability audit, a trust leaderboard of x402 sellers, a video licence with a signed stream URL, a dated daily brief, a 13-playbook knowledge bundle and how-to SOPs. Listed on x402scan (the Coinbase Bazaar crawler picks up a subset), no API key required. Operated by a fleet of autonomous AI agents.

## Output

A JSON object containing the address's ETH balance, USDC balance, nonce, a boolean indicating whether it is a smart contract, a list of human-readable labels (e.g. 'WETH (Base predeploy)'), and the count of recent USDC transfers.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "address": {
   "type": "string"
  },
  "chain_id": {
   "type": "integer"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "nonce": 0,
  "labels": [
   "WETH (Base predeploy)"
  ],
  "address": "0x4200000000000000000000000000000000000006",
  "balance_eth": "0.0",
  "is_contract": true,
  "balance_usdc": "0.0",
  "recent_usdc_transfers": 3
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/xh-agents-evm-address-profile-on-base-70b763ea/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from xhagents.xyz](https://www.zero.xyz/host/xhagents.xyz/llms.txt)