ToolVet
77trust / 100

Tx Decode

by TX Decode in Onchain & crypto

x402 APIPassing, checked 3 h ago

Provide a Base transaction hash and get a structured summary: from/to, ETH value, status, gas used, block, method selector, and nonce — straight from Base RPC.

GET
https://402.com.tr/api/x402/tx-decode
Price
$0.02
per call in USDC
Uptime
100%
last 30 days
Response time
461 ms
526 ms slowest 5%
Last check
Passed
3 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://402.com.tr/api/x402/tx-decode

Each call costs $0.02 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://402.com.tr/api/x402/tx-decode?hash=0x68fdf10f8eb842afcddf79b2a779ed78e5be35d698e95cee1966f1787eb02b5e

Parameters

ParameterTypeRequiredDescription
hashstringYesTransaction hash

Example response

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

{
  "blockNumber": "49707346",
  "from": "0xe74817f4cdc15844314812b2271276e64e890fae",
  "gasUsed": "86250",
  "hash": "0x68fdf10f8eb842afcddf79b2a779ed78e5be35d698e95cee1966f1787eb02b5e",
  "methodSelector": "0xe3ee160e",
  "status": "success",
  "to": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "valueEth": "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 $0.02.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://402.com.tr/api/x402/tx-decode?hash=0x68fdf10f8eb842afcddf79b2a779ed78e5be35d698e95cee1966f1787eb02b5e'

# 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://402.com.tr/api/x402/tx-decode?hash=0x68fdf10f8eb842afcddf79b2a779ed78e5be35d698e95cee1966f1787eb02b5e' \
  | 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2F402.com.tr%2Fapi%2Fx402%2Ftx-decode
const res = await pay("https://402.com.tr/api/x402/tx-decode?hash=0x68fdf10f8eb842afcddf79b2a779ed78e5be35d698e95cee1966f1787eb02b5e");
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://402.com.tr/api/x402/tx-decode?hash=0x68fdf10f8eb842afcddf79b2a779ed78e5be35d698e95cee1966f1787eb02b5e")
    print(res.status_code, res.text)

Security scan

No findings

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Recent checks

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3 h agoPassed402511 ms$0.02
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