Learn how to send the authorization header using Axios (from https://flaviocopes.com/axios-send-authorization-header/)

axios_send_auth_token.js

const username = ''
const password = ''

const token = Buffer.from(`${username}:${password}`, 'utf8').toString('base64')

const url = 'https://...'

axios.post(url, {
  headers: {
    'Authorization': `Basic ${token}`
  }
})