How to Resolve 'Authentication Parameter Missing or Invalid' Error in PHP cURL with Basic Authorization?

Using Basic Authorization with PHP cURL

While attempting to implement basic authorization in PHP cURL requests, encountering the error message "authentication parameter in the request are missing or invalid" can be frustrating. Despite using the correct credentials, this issue may persist.

To resolve this issue, consider the following code:

<?php
$username = 'ABC';
$password = 'XYZ';
$url = '<URL>';

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_TIMEOUT, 30); // Set a timeout of 30 seconds
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
curl_setopt($ch, CURLOPT_USERPWD, "$username:$password");
$result = curl_exec($ch);
$status_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); // Capture the HTTP status code
curl_close($ch);

echo $result; // Output the response from the API
?>

This code demonstrates the correct approach to setting basic authorization headers using the CURLAUTH_ANY option. Additionally, it retrieves the HTTP status code to provide insights into the request's outcome. By following this method, you can successfully utilize basic authorization in your PHP cURL requests.

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