Read-only JSON-RPC passthrough · ETH Call

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://agent402.tools/api/eth-call", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "method": "eth_blockNumber",
    "network": "base",
    "params": []
  }),
});
const data = await res.json();

curl -X POST \
  "https://agent402.tools/api/eth-call" \
  -H "Content-Type: application/json" \
  -d '{"method":"eth_blockNumber","network":"base","params":[]}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "method": "eth_blockNumber",
  "network": "base",
  "result": "0x1234567"
}