$0.003
per call · USD Coin on Base
Check one Base mainnet wallet or contract for ETH and official USDC balances, transaction nonce, and contract-bytecode evidence at a single resolved block.
Endpoint
POST https://apiacre.com/v1/crypto/base-account-status3
Calls / 30d
3
Unique payers / 30d
Sep 1
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://apiacre.com/v1/crypto/base-account-status", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"block_tag": "safe"
}),
});
const data = await res.json();curl -X POST \
"https://apiacre.com/v1/crypto/base-account-status" \
-H "Content-Type: application/json" \
-d '{"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","block_tag":"safe"}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"block": {
"hash": "0xbf20a3349486d50cba755d4a64cc4cbc64565c6133b7d25befe760b4331c2a4a",
"number": 49895352,
"requestedTag": "safe",
"timestamp": "2026-08-13T00:14:11+00:00"
},
"code": {
"sha256": "98d785fcb1bf847f287adc2310759fd94cc13e754b974bc72131382e8266f607",
"sizeBytes": 1852,
"status": "present"
},
"disclaimer": "Point-in-time public Base state only. Empty code does not prove that an addre...",
"ethBalance": {
"formatted": "0.009800646158085843",
"wei": "9800646158085843"
},
"explorerUrl": "https://basescan.org/address/0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"networkRequestsMade": 2,
"nonce": 1,
"readOnly": true,
"source": "https://docs.base.org/base-chain/quickstart/connecting-to-base",
"transactionBroadcast": false,
"usdcBalance": {
"atomic": "0",
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"decimals": 6,
"formatted": "0"
},
"usdcSource": "https://developers.circle.com/stablecoins/usdc-contract-addresses",
"warnings": []
},
"meta": {
"cached": false,
"duration_ms": 42,
"next_actions": [
{
"method": "POST",
"path": "/v1/crypto/base-account-snapshot",
"reason": "Expand the account status into one-block ETH, native USDC, and optional calle...",
"service": "crypto.base-account-snapshot",
"title": "Base account snapshot"
}
],
"sources": [],
"warnings": []
},
"request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
"service": "crypto.base-account-status",
"version": "1"
}Payment details
0xa0bfa4f07281c9b248dc3aed2217836bca24869bUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Onchain Data and the homepage with a featured placement.
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