<?php
  // using cURL POST
  $key="YOUR-ACCOUNT-KEY";
  $phone="080XXXXXXXX,080XXXXXXXXX,090XXXXXXXXXX";
  $message="My Voice Message";
  $custom_ref="REFERENCE-ID";
  $response = httpPost("https://api.textng.xyz/voice/",array("key"=>"$key","phone"=>"$phone","message"=>"$message","custom_ref"=>"$custom_ref"));
  // using php curl
  function httpPost($url, $data) {
    $curl = curl_init($url);
    curl_setopt($curl, CURLOPT_POST, true);
    curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($data));
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    $response = curl_exec($curl);
    curl_close($curl);
    echo $response;
  }
?>

{
    "status":"Successful",
    "units_used":"4",
    "type":"single number",
    "reference":"XXXXXXXXXXXXXXXXXX",
    "custom_ref":"XXXXXXXXXXXXXXXXXXXXXXXXX",
    "route":"VOICE-BROADCAST"
}

{
    "status":"ERROR",
    "comment":"ERROR WILL BE DISPLAYED HERE"
}