Credit balance

curl "https://smsapi.wire2air.com/smsadmin/checksmscredits.aspx" \
  --data-urlencode "USERID=YOUR_USERID" \
  --data-urlencode "PASSWORD=YOUR_PASSWORD" \
  --data-urlencode "VASID=YOUR_VASID"

import urllib.error
import urllib.parse
import urllib.request

params = urllib.parse.urlencode({
    "USERID": "YOUR_USERID",
    "PASSWORD": "YOUR_PASSWORD",
    "VASID": "YOUR_VASID",
})
request = urllib.request.Request(
    "https://smsapi.wire2air.com/smsadmin/checksmscredits.aspx",
    data=params.encode("utf-8"),
    method="POST",
)

try:
    with urllib.request.urlopen(request, timeout=30) as response:
        print(response.status, response.read().decode("utf-8"))
except urllib.error.HTTPError as error:
    print(error.code, error.read().decode("utf-8"))

const params = new URLSearchParams({
  USERID: "YOUR_USERID",
  PASSWORD: "YOUR_PASSWORD",
  VASID: "YOUR_VASID",
});

const response = await fetch("https://smsapi.wire2air.com/smsadmin/checksmscredits.aspx", {
  method: "POST",
  body: params, // sent as application/x-www-form-urlencoded
});
console.log(response.status, await response.text());

<?php

$params = http_build_query([
    'USERID' => 'YOUR_USERID',
    'PASSWORD' => 'YOUR_PASSWORD',
    'VASID' => 'YOUR_VASID',
]);

$ch = curl_init('https://smsapi.wire2air.com/smsadmin/checksmscredits.aspx');
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => $params,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_TIMEOUT => 30,
]);

$body = curl_exec($ch);
if ($body === false) {
    echo 'Request failed: ' . curl_error($ch) . PHP_EOL;
} else {
    echo curl_getinfo($ch, CURLINFO_HTTP_CODE) . ' ' . $body . PHP_EOL;
}
curl_close($ch);

using System;
using System.Collections.Generic;
using System.Net.Http;

var parameters = new Dictionary<string, string>
{
    ["USERID"] = "YOUR_USERID",
    ["PASSWORD"] = "YOUR_PASSWORD",
    ["VASID"] = "YOUR_VASID",
};

using var client = new HttpClient();
using var request = new HttpRequestMessage(HttpMethod.Post, "https://smsapi.wire2air.com/smsadmin/checksmscredits.aspx")
{
    Content = new FormUrlEncodedContent(parameters),
};

using var response = await client.SendAsync(request);
Console.WriteLine($"{(int)response.StatusCode} {await response.Content.ReadAsStringAsync()}");