Uniswap V3 spot quote · DEX Quote

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/dex-quote", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "amountIn": 1,
    "network": "base",
    "poolAddress": "0xd0b53d9277642d899df5c87a3966a349a798f224",
    "zeroForOne": true
  }),
});
const data = await res.json();

curl -X POST \
  "https://agent402.tools/api/dex-quote" \
  -H "Content-Type: application/json" \
  -d '{"amountIn":1,"network":"base","poolAddress":"0xd0b53d9277642d899df5c87a3966a349a798f224","zeroForOne":true}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "amountIn": 1,
  "amountOut": 3498.3,
  "fee": 500,
  "network": "base",
  "note": "spot quote at current tick - no multi-tick swap simulation",
  "poolAddress": "0xd0b53d9277642d899df5c87a3966a349a798f224",
  "spotPrice_1per0": 3500.05,
  "zeroForOne": true
}