const fetch   = require('node-fetch')
const url     = 'https://api.2pi.network/ping'
const options = { method: 'GET', headers: { Accept: 'application/json' } }

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(error => console.error(`Ping error: ${error}`))