curl -F "login={crowdin-login-name}" http://api.crowdin.net/api/account/get-projects?account-key={account-key}

<?php
  $request_url = 'http://api.crowdin.net/api/account/get-projects?account-key={account-key}';

  $post_params['login'] = '{crowdin-login-name}';


  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, $request_url);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  curl_setopt($ch, CURLOPT_POST, true);

  $result = curl_exec($ch);
  curl_close($ch);

  echo $result;