Chain Estimate Gas

Last 30 days

Uptime

100%

Response time

276 ms typical, 777 ms slowest 5%

Last check

3 h ago

Next check

any minute now

How to call it

# bash or zsh: see the payment challenge (nothing is charged)
curl -g -i -X POST 'https://tanod.dev/v1/chain/estimate-gas' \
  -H 'content-type: application/json' \
  --data-raw '{"chain":"base","data":"0x18160ddd","from":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045","to":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}'

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%2Ftanod.dev%2Fv1%2Fchain%2Festimate-gas
const res = await pay("https://tanod.dev/v1/chain/estimate-gas", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: "{\"chain\":\"base\",\"data\":\"0x18160ddd\",\"from\":\"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045\",\"to\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\"}",
});
console.log(await res.json());

Example input

{
  "chain": "base",
  "data": "0x18160ddd",
  "from": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
  "to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
}

Example output

{
  "chain": "base",
  "contract_creation": false,
  "from": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
  "gas": 30989,
  "gas_with_20pct_buffer": 37186,
  "note": "estimated at the latest block against current state; the real cost can differ if state changes",
  "to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
}

Security scan

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

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