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Chain Tx

by Transaction Lookup in Onchain & crypto

x402 APIPassing, checked 41 min ago

Transaction lookup on Base, Ethereum or Solana: give a transaction hash or signature, get its status, sender, fee and every token transfer.

POST https://chain.tollkit.dev/chain/tx

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
226 ms typical, 226 ms slowest 5%
Last check
41 min ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://chain.tollkit.dev/chain/tx" \
  -H "content-type: application/json" \
  -d '{"chain":"base","hash":"0x066e2ba9d128c084503c093d79150d20860e141af309ebe8680b4509108522cc"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fchain.tollkit.dev%2Fchain%2Ftx
const res = await pay("https://chain.tollkit.dev/chain/tx", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"chain":"base","hash":"0x066e2ba9d128c084503c093d79150d20860e141af309ebe8680b4509108522cc"}),
});
console.log(await res.json());

Example input

{
  "chain": "base",
  "hash": "0x066e2ba9d128c084503c093d79150d20860e141af309ebe8680b4509108522cc"
}

Example output

{
  "block_number": 52056807,
  "chain": "base",
  "contract_created": null,
  "explorer_url": "https://basescan.org/tx/0x066e2ba9d128c084503c093d79150d20860e141af309ebe8680b4509108522cc",
  "fee_eth": "0.0000004787541",
  "from": "0xE74817F4cDC15844314812B2271276E64e890fAE",
  "gas_used": "86262",
  "hash": "0x066e2ba9d128c084503c093d79150d20860e141af309ebe8680b4509108522cc",
  "method_id": "0xe3ee160e",
  "status": "success",
  "timestamp": "2026-10-02T01:02:41.000Z",
  "to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
  "token_transfers": [
    {
      "amount": "0.01",
      "amount_raw": "10000",
      "from": "0xec2aBD3EDA89BeD90124736e317e847D5fb6d034",
      "symbol": "USDC",
      "to": "0xBbfCE2D320dE6aB328Ba93A771c531ebFC9cE704",
      "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
    }
  ],
  "token_transfers_total": 1,
  "value_eth": "0",
  "value_wei": "0"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
41 min agoPassed402226 ms$0.002
6 h agoPassed402295 ms$0.002