onchain-gas · GAS

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://api.agentstools.dev/gas", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://api.agentstools.dev/gas?network=ethereum" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "base_fee_gwei": 0.1051,
  "base_fee_wei": 105129473,
  "block": 25881728,
  "chain": "eip155:1",
  "gas_price_gwei": 0.1892,
  "gas_price_wei": 189159879,
  "network": "ethereum",
  "tiers": {
    "fast": {
      "max_fee_gwei": 1.8051,
      "priority_gwei": 1.7
    },
    "med": {
      "max_fee_gwei": 0.1892,
      "priority_gwei": 0.084
    },
    "slow": {
      "max_fee_gwei": 0.108,
      "priority_gwei": 0.0029
    }
  },
  "ts": 1756700000,
  "type": "eip1559"
}