Northline ChainKit

Live block height, gas price and fee estimates (transfer, ERC-20 transfer, contract call) for Base or Arc. On Arc fees are quoted directly in USDC.

Open endpoint ↗

Price per call: $0.001
Chain: Base
Method: GET
Paid calls · 30 days: 0

Call it from code

This API is run by its own provider and paid directly through x402. We list it so you can find it; we don't route or hold the payment.

import { x402Client, wrapFetchWithPayment } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";

const client = new x402Client();
registerExactEvmScheme(client, { signer: agentAccount });

const pay = wrapFetchWithPayment(fetch, client);
const res = await pay("https://northline-chainkit.northline-c86.workers.dev/v1/network/status", { method: "GET" });
console.log(await res.json());

https://northline-chainkit.northline-c86.workers.dev/v1/network/status