Curl Post Request

gistfile1.php

<?php

//testing php curl
$authURL = 'https://someapi.com/rest/Authentication';
$userName = 'userName';
$apiKey = 'passwords';
$proxyHost = 'host';
$proxyPort = 1111;


$curl_handle = curl_init();
$curl_headers = array(
    "x-dnb-user: $userName",
    "x-dnb-pwd: $apiKey"
);

$curl_options = array(
    CURLOPT_URL => $authURL,
    CURLOPT_HEADER => true,
    CURLOPT_POST => true,
    //CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_HTTPHEADER => $curl_headers,
    CURLOPT_RETURNTRANSFER => true,
    /*
    Please everyone, stop setting CURLOPT_SSL_VERIFYPEER to false or 0. 
    If your PHP installation doesn't have an up-to-date CA root certificate bundle, download the one at the curl website and save it on your server
	http://curl.haxx.se/docs/caextract.html
	Then set a path to it in your php.ini file, e.g. on Windows:
	curl.cainfo=c:\php\cacert.pem
	Turning off CURLOPT_SSL_VERIFYPEER allows man in the middle (MITM) attacks, which you don't want!
     */
    CURLOPT_SSL_VERIFYPEER => true,
    CURLINFO_HEADER_OUT => true,
    CURLOPT_PROXY => $proxyHost,
    CURLOPT_PROXYPORT => $proxyPort
);

curl_setopt_array($curl_handle, $curl_options);
$response = curl_exec($curl_handle);
$httpStatusCode = curl_getinfo($curl_handle, CURLINFO_HTTP_CODE);
echo 'Http Status Code is:'.$httpStatusCode;
$responseHeaders = curl_getinfo($curl_handle,CURLINFO_HEADER_OUT);
echo 'Headers are:'.$responseHeaders;