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Base Wallet Balances: ETH and Major Token Holdings

ETH balance and balances of major tokens (USDC, WETH, cbBTC, DAI, USDbC, cbETH, AERO) for any address on Base, plus any extra token contracts you list. Read live from the chain. Shows only non-zero balances; there is no price data and no recommendation.

x402: $0.005 per callMCP tool: base_wallet_balances

Input

ParameterTypeDefaultDescription
address *stringWallet address on Base.
extraTokensarrayAdditional ERC-20 contract addresses to check (up to 20).

* required

Source and freshness

Source and licence
Base mainnet RPC (live chain state). Not advice.
Last verified
2026-10-03 (hourly check against the live source)

Use it

HTTP (x402)

curl -i "https://api.ambolt.dev/v1/base-wallet-balances?address=0x4200000000000000000000000000000000000016"

Returns 402 Payment Required with the price until an x402 payment is attached; @x402/fetch does this for you. See Get started.

MCP

{ "mcpServers": { "ambolt": { "url": "https://api.ambolt.dev/mcp" } } }
# then call the tool: base_wallet_balances

Apify

Not published as an Actor yet.

Example response

{
  "network": "base",
  "chainId": 8453,
  "address": "0x4200000000000000000000000000000000000016",
  "eth": {
    "wei": "371320353745110978803560",
    "eth": "371320.35374511097880356"
  },
  "tokens": [],
  "checkedTokens": 7,
  "unreadable": [],
  "readAt": "2026-10-02T21:35:41.048Z",
  "source": "Source: Base mainnet RPC (live chain state). Not advice."
}

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