<?php
  $key="YOUR-ACCOUNT-KEY";
  $receiver_key="SUB-ACCOUNT-KEY";
  $quantity="AMOUNT-OF-UNITS-TO-TRANSFER";

  $response = httpPost("https://api.textng.xyz/transfer-units-sub/",array("key"=>"$key","receiver_key"=>"$receiver_key","quantity"=>"$quantity"));

  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;
  }
?>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
  var key="YOUR-ACCOUNT-KEY";
  var receiver_key="SUB-ACCOUNT-KEY";
  var quantity="AMOUNT-OF-UNITS-TO-TRANSFER";
  var url = "https://api.textng.xyz/transfer-units-sub/";

  $.post(url, { key: key, receiver_key: receiver_key, quantity: quantity }, function (res) { 
      var data = JSON.parse(res);
      if (data.status === "SUCCESS") {
          // Do Success Work!
      } else {
          // Do Error Work!
      }
  });
</script>

{'status': 'SUCCESS', 'response': 'Transaction Successful'}

{'status': 'ERROR', 'response': 'ERROR Invalid Key'}

{'status': 'ERROR', 'response': 'ERROR Incomplete Parameters'}

// If quantity is not a digit
{'status': 'ERROR', 'response': 'ERROR Invalid Quantity'}

{'status': 'ERROR', 'response': 'ERROR Invalid Receiver Key'}

{'status': 'ERROR', 'response': 'ERROR Insufficient Wallet Balance'}

{'status': 'ERROR', 'response': 'ERROR Could not complete transaction'}