simpleVision.js

'use strict'

require('dotenv').config()
const request = require('request')

const subscriptionKey = process.env.KEY
const endpoint = process.env.ENDPOINT
if (!subscriptionKey) { throw new Error() }

var uriBase = endpoint + 'vision/v3.0/analyze'

const imageUrl =
    'https://upload.wikimedia.org/wikipedia/commons/3/3c/Shaki_waterfall.jpg'

// Request parameters.
const params = {
  visualFeatures: 'Categories,Description,Color',
  details: '',
  language: 'en'
}

const options = {
  uri: uriBase,
  qs: params,
  body: '{"url": ' + '"' + imageUrl + '"}',
  headers: {
    'Content-Type': 'application/json',
    'Ocp-Apim-Subscription-Key': subscriptionKey
  }
}

request.post(options, (error, response, body) => {
  if (error) {
    console.log('Error: ', error)
    return
  }
  const jsonResponse = JSON.stringify(JSON.parse(body), null, '  ')
  console.log('JSON Response\n')
  console.log(jsonResponse)
})