ToolVet
76trust / 100

Tools Wallet Balance

by DexL Agents in Onchain & crypto

x402 APIPassing, checked 4 h ago

Read any wallet balance on 28 EVM chains: native coin (ETH, BNB, MATIC, AVAX) or any ERC-20 token including USDC. Covers Base, Ethereum, Arbitrum, Optimism, Polygon, BSC, Avalanche, zkSync, Linea, Scroll, Blast, Mantle, Celo, Gnosis, Sonic, Unichain, World Chain, Zora and more. Returns the raw and decimal balance with the block it was read at.

POST
https://agents.dexl.io/v1/tools/wallet-balance
Price
$0.001
per call in USDC
Uptime
93.5%
last 30 days
Response time
730 ms
1.1 s slowest 5%
Last check
Passed
4 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

POST https://agents.dexl.io/v1/tools/wallet-balance

Each call costs $0.001 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://agents.dexl.io/v1/tools/wallet-balance
content-type: application/json

{
  "address": "0x820D61a720963fab63aB6e0aeF4D1779Eb42F6BB",
  "chain": "base"
}

Parameters

ParameterTypeRequiredDescription
addressstringYesWallet address (0x...)
chainstringNoWhich chain to read from One of: abstract, arbitrum, avalanche, base, berachain, blast, bsc, celo, cronos, ethereum, fraxtal, gnosis. Default: "base".
tokenstringNoERC-20 contract address. Omit for the native coin.

Example response

The provider's example. We can't check it without paying.

{
  "cached": false,
  "output": {},
  "units": 1
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.001.

The code pays $0.001 in USDC on Base instead: it uses a payment scheme other than exact, which needs a different client setup.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://agents.dexl.io/v1/tools/wallet-balance' \
  -H 'content-type: application/json' \
  --data-raw '{"address":"0x820D61a720963fab63aB6e0aeF4D1779Eb42F6BB","chain":"base"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://agents.dexl.io/v1/tools/wallet-balance' \
  -H 'content-type: application/json' \
  --data-raw '{"address":"0x820D61a720963fab63aB6e0aeF4D1779Eb42F6BB","chain":"base"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagents.dexl.io%2Fv1%2Ftools%2Fwallet-balance&method=POST
const res = await pay("https://agents.dexl.io/v1/tools/wallet-balance", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "address": "0x820D61a720963fab63aB6e0aeF4D1779Eb42F6BB",
    "chain": "base"
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://agents.dexl.io/v1/tools/wallet-balance",
        json={
            "address": "0x820D61a720963fab63aB6e0aeF4D1779Eb42F6BB",
            "chain": "base",
        },
    )
    print(res.status_code, res.text)

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
4 h agoPassed4021.1 s$0.001
9 h agoPassed4021.5 s$0.001
13 h agoPassed402714 ms$0.001
18 h agoPassed402703 ms$0.001
22 h agoPassed402900 ms$0.001
Show 10 older checks
26 h agoPassed402988 ms$0.001
30 h agoPassed4021.0 s$0.001
34 h agoPassed402821 ms$0.001
38 h agoPassed402668 ms$0.001
43 h agoPassed402942 ms$0.001
47 h agoPassed4021.0 s$0.001
2 days agoPassed4021.1 s$0.001
2 days agoPassed402962 ms$0.001
2 days agoPassed402510 ms$0.001
3 days agoPassed402650 ms$0.001