Pastebin always returns 422

import*asqs from 'querystring'
import* as fetch from 'node-fetch'

～～～

constquery=qs.stringify({
  api_option: 'paste',
  api_dev_key: 'Copy API Key',
  api_paste_name: `Tai-tori',
  api_paste_format: 'javascript',
  api_paste_code: 'Code',
})

const url = wait(
  wait fetch.default(`https://pastebin.com/api/api_post.php?${query}`, {
    method: 'POST',
  })
) .text( )

console.log(url)