express-rest-async-json.js

const express = require('express')
const bodyParser = require('body-parser')
const axios = require('axios')

const httpc = axios.create({
  baseURL: 'http://localhost:3000',
  timeout: 30000
})
const app = express()

app.use(bodyParser.json())
app.post('/echo', (req, res) => {
  res.send(req.body)
})
app.get('/async', async (req, res) => {
  const response = await httpc.post('/echo', {
    node: {
      is: {
        awesome: true
      },
      lts: [4, 6, 8, 10]
    }
  })

  res.send(response.data)
})

app.listen(3000)