ToolVet
77trust / 100

Chain Transaction

by HubVibe in Onchain & crypto

x402 APIPassing, checked 4 h ago

Base transaction lookup by hash: sender, recipient, ETH value, block, success or failure, gas used and log count, with the receipt folded in, live from Base mainnet. Use it to confirm a payment or transfer landed on-chain. Input: hash (the 0x transaction hash). For the raw receipt use chain.rpc.

POST
https://hubvibe-io.com/work/chain/transaction
Price
$0.05
per call in USDC
Uptime
100%
last 30 days
Response time
360 ms
431 ms 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

How to call it

POST https://hubvibe-io.com/work/chain/transaction

Each call costs $0.05 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://hubvibe-io.com/work/chain/transaction
content-type: application/json

{
  "hash": "0x9e61e3fce3efad669a236b8d6a0351162c572808026d1a5ffdededd31caad113"
}

Parameters

ParameterTypeRequiredDescription
hashstringYes
languagestringNo

Example response

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

Example response, 35 lines
{
  "price_usd": 0.05,
  "provenance": {
    "attempts": 1,
    "elapsed_ms": 660,
    "providers_used": [
      "base_rpc"
    ],
    "steps": [
      {
        "ms": 640,
        "ok": true,
        "provider": "base_rpc",
        "step": "transaction"
      }
    ]
  },
  "receipt_id": "rcpt_9f1c2b3a4d5e6f70",
  "receipt_url": "/work/receipts/rcpt_9f1c2b3a4d5e6f70",
  "result": {
    "block_number": 41230501,
    "from": "0x837C40E2B4e976f43Ffb4451eE281A00fA9477dd",
    "gas_used": 65231,
    "hash": "0xabababababababababababababababababababababababababababababababab",
    "log_count": 2,
    "mined": true,
    "network": "base-mainnet",
    "status": "success",
    "to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "value_eth": 0,
    "value_wei": "0"
  },
  "status": "ok",
  "worker": "chain.transaction"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.05.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://hubvibe-io.com/work/chain/transaction' \
  -H 'content-type: application/json' \
  --data-raw '{"hash":"0x9e61e3fce3efad669a236b8d6a0351162c572808026d1a5ffdededd31caad113"}'

# 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://hubvibe-io.com/work/chain/transaction' \
  -H 'content-type: application/json' \
  --data-raw '{"hash":"0x9e61e3fce3efad669a236b8d6a0351162c572808026d1a5ffdededd31caad113"}' \
  | 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fhubvibe-io.com%2Fwork%2Fchain%2Ftransaction&method=POST
const res = await pay("https://hubvibe-io.com/work/chain/transaction", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "hash": "0x9e61e3fce3efad669a236b8d6a0351162c572808026d1a5ffdededd31caad113"
  }),
});
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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://hubvibe-io.com/work/chain/transaction",
        json={
            "hash": "0x9e61e3fce3efad669a236b8d6a0351162c572808026d1a5ffdededd31caad113",
        },
    )
    print(res.status_code, res.text)

Security scan

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Recent checks

WhenResultHTTPTimePrice
4 h agoPassed402360 ms$0.05
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12 h agoPassed402354 ms$0.05
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