npm i @you21979/bittrex.com

var bittrex = require('@you21979/bittrex.com')
var api = bittrex.PublicApi;
api.getMarketSummaries().then(console.log)

{
  "APIKEY":"",
  "SECRET":""
}

var bittrex = require('@you21979/bittrex.com')
var fs = require('fs');
var config = JSON.parse(fs.readFileSync("./account.json", "utf8"));
var api = bittrex.createPrivateApi(config.APIKEY, config.SECRET, "I am Bot")
api.getBalances().then(console.log)

api.getBalances().catch(function(e){
    console.log(e.message)
})

var errors = require('@you21979/bittrex.com/errors')
api.getBalances()
    .catch(errors.HttpApiError, function (reason) {
        // API ERROR
        console.log(reason.message, "API", reason.error_code)
    })
    .catch(errors.StatusCodeError, function (reason) {
        // HTTP STATUS ERROR(404 or 500, 502, etc...)
        console.log("HTTP StatusCodeError " + reason.statusCode, "HTTP", reason.statusCode)
    })
    .catch(errors.RequestError, function (reason) {
        // REQUEST ERROR(SYSTEMCALL, TIMEOUT)
        console.log(reason.message, "SYSCALL", reason.error.code)
    })
    .catch(function(e){
        // OTHER ERROR
        console.log(e.message)
    })

bitcoin:1DWLJFxmPQVSYER6pjwdaVHfJ98nM76LiN 
monacoin:MCEp2NWSFc352uaDc6nQYv45qUChnKRsKK