ToolVet
80trust / 100

Evm Tx

by SiteCheck in Onchain & crypto

x402 APIPassing, checked 1 h ago

Status, block, time, sender, recipient, value, gas used and fee (native and USD) of an EVM transaction, plus the ERC-20 Transfer events inside it (token, symbol, from, to, amount). A pending transaction returns status pending. Read over public RPC; a fallback node is used when the first refuses old receipts.

GET
https://api.sitecheck-api.workers.dev/api/evm/tx
Price
$0.002
per call in USDC
Uptime
100%
last 30 days
Response time
114 ms
716 ms slowest 5%
Last check
Passed
1 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

How to call it

GET https://api.sitecheck-api.workers.dev/api/evm/tx

Each call costs $0.002 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.

GET https://api.sitecheck-api.workers.dev/api/evm/tx?chain=base&hash=0xc7657fcae2051e6dd46832150122adfe5b2e196eb50c8e667fdec36741c013cd

Parameters

ParameterTypeRequiredDescription
chainstringNobase (default), ethereum, arbitrum, optimism or polygon
hashstringYesTransaction hash, 0x + 64 hex characters

Example response

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

Example response, 39 lines
{
  "block": 52581926,
  "chain": "base",
  "checkedAt": "2026-10-14T04:49:18.498Z",
  "contractCreated": null,
  "disclaimer": "Information only, not financial advice.",
  "effectiveGasPriceGwei": 0.005,
  "fee": {
    "native": 0.00000342,
    "usd": 0.0086
  },
  "from": "0x3cb6ad0990015522e60e21780f2802e2E927c08A",
  "gasUsed": 683352,
  "hash": "0xc7657fcae2051e6dd46832150122adfe5b2e196eb50c8e667fdec36741c013cd",
  "nativeSymbol": "ETH",
  "source": "https://base-rpc.publicnode.com (eth_getTransactionByHash, eth_getTransactionReceipt, eth_getBlockByNumber, eth_call symbol and decimals); Coinbase spot price",
  "status": "success",
  "time": "2026-10-14T04:46:39.000Z",
  "to": "0x787fD1dc3b533171781e4Ae1A563c1AC7b4435E4",
  "transfers": [
    {
      "amount": 120.17735193,
      "from": "0x787fD1dc3b533171781e4Ae1A563c1AC7b4435E4",
      "raw": "120177351931892428713",
      "symbol": "WETH",
      "to": "0xb2cc224c1c9feE385f8ad6a55b4d94E92359DC59",
      "token": "0x4200000000000000000000000000000000000006"
    },
    {
      "amount": 829108.023952,
      "from": "0x787fD1dc3b533171781e4Ae1A563c1AC7b4435E4",
      "raw": "829108023952",
      "symbol": "USDC",
      "to": "0xb2cc224c1c9feE385f8ad6a55b4d94E92359DC59",
      "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
    }
  ],
  "value": 0
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.002.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sitecheck-api.workers.dev/api/evm/tx?chain=base&hash=0xc7657fcae2051e6dd46832150122adfe5b2e196eb50c8e667fdec36741c013cd'

# 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 - 'https://api.sitecheck-api.workers.dev/api/evm/tx?chain=base&hash=0xc7657fcae2051e6dd46832150122adfe5b2e196eb50c8e667fdec36741c013cd' \
  | 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.sitecheck-api.workers.dev%2Fapi%2Fevm%2Ftx
const res = await pay("https://api.sitecheck-api.workers.dev/api/evm/tx?chain=base&hash=0xc7657fcae2051e6dd46832150122adfe5b2e196eb50c8e667fdec36741c013cd");
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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.sitecheck-api.workers.dev/api/evm/tx?chain=base&hash=0xc7657fcae2051e6dd46832150122adfe5b2e196eb50c8e667fdec36741c013cd")
    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
1 h agoPassed40270 ms$0.002
6 h agoPassed40262 ms$0.002
10 h agoPassed402716 ms$0.002
14 h agoPassed402155 ms$0.002
18 h agoPassed402114 ms$0.002
Show 2 older checks
23 h agoPassed402689 ms$0.002
27 h agoPassed40245 ms$0.002