python requests

import requests as r
from requests.auth import HTTPBasicAuth as auth

vst_hostname = 'https://188.188.188.88/api'
vst_username = 'admin'
vst_password = 'p4ssw0rd'
vst_returncode = 'yes'
vst_command = 'v-add-user'

# New Account
username = 'demo'
password = 'd3m0p4ssw0rd'
email = 'demo@gmail.com'
package = 'default'
fist_name = 'Rust'
last_name = 'Cohle'

# Prepare POST query
postvars = {
    'cmd': vst_command,
    'arg1': username,
    'arg2': password,
    'arg3': email,
    'arg4': package,
    'arg5': fist_name,
    'arg6': last_name
}

r.packages.urllib3.disable_warnings()
req = r.post(vst_hostname, auth(vst_username, vst_hostname) , params=postvars, verify=False )