$username = 'batb-xxxxxx';
	$password = 'XXXXXXXXXXXX';
	$context = stream_context_create(array(
	    'http' => array(
	        'header'  => "Authorization: Basic " . base64_encode("$username:$password")
	    )
	));

	// fichier source
	$json = file_get_contents('http://crm.capvaleur.group/export', false, $context);