x402-audit Wallet Snapshot

x402

x402-audit Wallet Snapshot is a paid API for AI agents from x402-audit.tatschluizguilherme.workers.dev, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-30).

Returns a comprehensive one-call wallet snapshot including native ETH balance, curated and custom ERC-20 token balances, USD prices, and total wallet value across Base, Optimism, or Ethereum Mainnet

Price / call$0.1

Seller volume →—

Success—

StatusUnknown

How this service works

Pay-per-call on-chain API for AI agents and developers: wallet audits, token safety audits (honeypot detection), live gas prices, token prices, transaction receipts, balances, ENS resolution, block data, ERC-20 allowances, transaction simulation, swap quotes and multicall batches — all computed on-chain via public RPCs (no external market API). Pay per request in USDC on Base via the x402 exact scheme (EIP-3009 transferWithAuthorization). No API key, no signup, no subscription.

Output

Returns a structured JSON object containing: native ETH balance (formatted and in wei), a list of tokens each with symbol, contract address, formatted balance, current USD spot price, and USD value; plus a totalUsdValue field summing all holdings. Covers curated defaults (WETH, USDC, USDT, DAI, chain-specific majors) or a caller-supplied token list.

Example use cases

DeFi portfolio value check

“What's the total USD value of the wallet 0x1234...abcd on Ethereum Mainnet? Include ETH and all the main stablecoins and WETH with their current prices.”

Optimism airdrop eligibility audit

“Pull a full token snapshot for wallet 0xDEAD...BEEF on Optimism — I need the formatted balances and USD values for ETH, USDC, USDT, DAI and WETH.”

Custom token portfolio on Base

“Check this wallet 0xFEED...CAFE on Base and also include these two custom token addresses 0xTokenA and 0xTokenB alongside the standard tokens — I want each balance, its USD price, and the total wallet value.”

Technical details

Endpoint

GEThttps://x402-audit.tatschluizguilherme.workers.dev/wallet?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need a comprehensive, priced portfolio snapshot of a wallet in a single call — especially when you want both native ETH and multiple ERC-20 balances with live USD valuations without integrating a block explorer API or managing multiple RPC calls. Prefer over raw RPC calls when total USD portfolio value is needed alongside formatted balances. Use when the wallet is on Base, Optimism, or Ethereum Mainnet.

Side effects

Invalid or checksumless wallet address returns a 400 error
Unsupported chain identifier returns an error indicating valid options
Custom token address not deployed on the specified chain returns zero balance or contract-not-found error
Token price unavailable for obscure ERC-20 results in null or zero USD value
Payment not included or insufficient USDC via x402 returns 402 Payment Required
Network congestion on RPC may cause timeout or stale data

Output

Schema · Response

{
  "type": "json",
  "example": {
    "count": 7,
    "assets": [
      {
        "native": true,
        "symbol": "ETH",
        "address": null,
        "decimals": 18,
        "priceUsd": 1868.33,
        "valueUsd": 0.18,
        "balanceWei": "95657066714971",
        "balanceFormatted": "0.00009565"
      }
    ],
    "address": "0x8e8d53a67b59E6f2A28e0d6d52012A2b0e3E1886",
    "network": "base",
    "totalUsd": 0.81
  }
}

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