Base Head

Last 30 days

Uptime

100%

Response time

433 ms typical, 433 ms slowest 5%

Last check

34 min ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://canary.countersignpay.com/v1/base/head"

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%2Fcanary.countersignpay.com%2Fv1%2Fbase%2Fhead
const res = await pay("https://canary.countersignpay.com/v1/base/head");
console.log(await res.json());

Example input

{}

Example output

{
  "baseFeePerGas": "1043211",
  "blockHeight": "35812044",
  "network": "eip155:8453",
  "observedAt": "2026-09-15T14:00:00.000Z"
}

Security scan

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