Simple script to get last prices for a list of currencies on CoinMarketCap.com. Export your API KEY as COINMARKETCAP_APIKEY variable to your environment. Fiat and crypto lists can be changed in the beginning of the file.

terminalCryptocoinTicker.js

const https = require('https')


// ======================================
// ============ SETTINGS ================
// ======================================
const fiatList = ['USD', 'BRL']
const cryptoList = ['DASH', 'LTC', 'ETH', 'BTC']
const url = 'https://pro-api.coinmarketcap.com/v1/cryptocurrency/quotes/latest'
const options = { 
  'headers': {
    'Accept': 'application/json', 
    'X-CMC_PRO_API_KEY': process.env.COINMARKETCAP_APIKEY
  }
}
// ======================================
// ======================================


const buildRow = (data, currency, fiat) =>
  `${currency.padEnd(6, ' ')} |`+
  ` $ ${data[currency].quote[fiat].price.toFixed(3).padEnd(10, ' ')} | ` +
  `${data[currency].quote[fiat].percent_change_1h.toFixed(3).padEnd(9, ' ')}% | ` +
  `${data[currency].quote[fiat].percent_change_24h.toFixed(3).padEnd(9, ' ')}% | ` +
  `${data[currency].quote[fiat].percent_change_7d.toFixed(3).padEnd(9, ' ')}% | ` +
  `${data[currency].quote[fiat].percent_change_30d.toFixed(3).padEnd(9, ' ')}% `

const buildRows = (data, fiat) =>
  Object
    .keys(data)
    .map(currency => buildRow(data, currency, fiat))

const buildTable = (data, fiat) =>
  console.log(
    `==================================   ${fiat} PRICES   ==================================\n` +
    'SYMBOL | PRICE        | CHANGE(1H) | CHANGE(1D) | CHANGE(1W) | CHANGE(1M)\n' +
    '------------------------------------------------------------------------------------\n' +
    buildRows(data, fiat).join('\n') +
    '\n====================================================================================\n'
  )

const requestCallback = (response, fiat) => {
  let data = ''
  response.on('data', chunk => data += chunk)
  response.on('end', () => buildTable(JSON.parse(data).data, fiat))
}

const loadData = (fiat, customURL) => 
  https
    .get(customURL, options, response => requestCallback(response, fiat))
    .on('error', err => console.log(`Error: ${err.message}`))

const createURL = fiat => `${url}?symbol=${cryptoList.join(',')}&convert=${fiat}`


// ======================================
// ========= Start running here =========
// ======================================
console.log('\n================================== Cryptos Ticker ==================================\n')
fiatList.forEach(fiat => loadData(fiat, createURL(fiat)))

Simple script to get last prices for a list of currencies on CoinMarketCap.com. Export your API KEY as COINMARKETCAP_APIKEY variable to your environment. Fiat and crypto lists can be changed in the beginning of the file.