crypto · crypto · evm · base · ethereum · wallet · address · balance · usdc · nonce · contract · onchain

Base account snapshot

Read point-in-time ETH and native USDC balances, account nonce, and contract-code status for an address at one resolved Base mainnet block.

$0.01 USDCBasex402 v2POST

Endpoint

https://apiacre.com/v1/crypto/base-account-snapshot

Send the JSON body below. An unpaid request returns HTTP 402 with a PAYMENT-REQUIRED header; an x402-compatible buyer signs the requirement and retries with PAYMENT-SIGNATURE.

Pay $0.01 USDC and run in your browser

Input example

{
  "address": "0x0000000000000000000000000000000000000000",
  "block_tag": "safe"
}

Response shape

View free static sample JSON

{
  "request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
  "service": "crypto.base-account-snapshot",
  "version": "1",
  "data": {
    "network": "eip155:8453",
    "address": "0x0000000000000000000000000000000000000000",
    "block": {
      "requestedTag": "safe",
      "number": 34567890,
      "hash": "0x1111111111111111111111111111111111111111111111111111111111111111",
      "timestamp": "2026-08-10T16:00:00+00:00"
    },
    "balances": {
      "eth": {
        "wei": "0",
        "formatted": "0"
      },
      "usdc": {
        "atomic": "0",
        "formatted": "0",
        "decimals": 6,
        "contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
      }
    },
    "nonce": 0,
    "hasCode": false,
    "codeSizeBytes": 0,
    "explorerUrl": "https://basescan.org/address/0x0000000000000000000000000000000000000000",
    "source": "https://docs.base.org/base-chain/quickstart/connecting-to-base",
    "usdcSource": "https://developers.circle.com/stablecoins/usdc-contract-addresses",
    "disclaimer": "Point-in-time public Base chain state only; no ownership, identity, risk, solvency, or transaction-intent conclusion is provided."
  },
  "meta": {
    "duration_ms": 42,
    "cached": false,
    "sources": [],
    "warnings": []
  }
}

Try the payment challenge

curl -i -X POST 'https://apiacre.com/v1/crypto/base-account-snapshot' \
  -H 'content-type: application/json' \
  --data '{"address":"0x0000000000000000000000000000000000000000","block_tag":"safe"}'