NextJS api authentication with 3rd party API

import env from "@env/server.mjs";
import axios from "axios";
import { NextApiRequest, NextApiResponse } from "next";

export default async function building(
  req: NextApiRequest,
  res: NextApiResponse,
) {
  const { id } = req.query;
  const { assetUrl } = env;
  const baseUrl = `${assetUrl}/building`;
  const url = id !== undefined ? `${baseUrl}/${id}` : baseUrl;
  const token = req.headers["access-token"] as string;

  try {
    const response = await axios.get(url, {
      headers: {
        "Access-Token": token,
        "Content-Type": "application/json",
        "Cache-Control": "no-cache",
      },
    });
    res.status(200).json(response.data);
  } catch (err) {
    if (axios.isAxiosError(err)) {
      res.status(err.response!.status).json(err.response!.data);
    }
  }
}