...
...
my $client = REST::Client->new();
$client->addHeader('Content-Type', 'application/json');
$client = $client->GET( $url, ($headers));
chomp(my $json = $client->responseContent());  
my $ref = JSON->new->utf8->decode($json);
for my $zeile( @{$ref->{components}} ){
   print"$zeile->{name}\n";
}