Gas

Last 30 days

Uptime

100%

Response time

168 ms typical, 168 ms slowest 5%

Last check

2 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://onchain-toolkit.bowling-anthony.workers.dev/gas?chain=One+or+more+of+ethereum%2C+base%2C+arbitrum%2C+optimism%2C+polygon+%28comma-separated%29."

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%2Fonchain-toolkit.bowling-anthony.workers.dev%2Fgas
const res = await pay("https://onchain-toolkit.bowling-anthony.workers.dev/gas?chain=One+or+more+of+ethereum%2C+base%2C+arbitrum%2C+optimism%2C+polygon+%28comma-separated%29.");
console.log(await res.json());

Example input

{
  "chain": "One or more of ethereum, base, arbitrum, optimism, polygon (comma-separated)."
}

Example output

{
  "chains": [
    {
      "chain": "base",
      "chainId": 8453,
      "gasPriceGwei": 0.006,
      "gasPriceWei": "6000000",
      "name": "Base"
    }
  ],
  "checkedAt": "2026-08-24T11:09:17.183Z",
  "note": "Gas moves every block; treat this as ..."
}

Security scan

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

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