diff --git a/lib/NGCP/Panel.pm b/lib/NGCP/Panel.pm
index b7fa64148a..acce0c02d9 100644
--- a/lib/NGCP/Panel.pm
+++ b/lib/NGCP/Panel.pm
@@ -30,7 +30,7 @@ require CHI::Driver::FastMmap;
 use Log::Log4perl::Catalyst qw();
 use NGCP::Panel::Cache::Serializer qw();
 use NGCP::Panel::Middleware::HSTS qw();
-use NGCP::Panel::Middleware::TEgzip qw();
+#use NGCP::Panel::Middleware::TEgzip qw();
 extends 'Catalyst';
 
 our $VERSION = '0.01';
@@ -157,7 +157,7 @@ __PACKAGE__->config(
         }
     },
     'Plugin::EnableMiddleware' => [
-        NGCP::Panel::Middleware::TEgzip->new,
+        #NGCP::Panel::Middleware::TEgzip->new,
         NGCP::Panel::Middleware::HSTS->new,
     ],
 );
diff --git a/lib/NGCP/Panel/Middleware/TEgzip.pm b/lib/NGCP/Panel/Middleware/TEgzip.pm
index eaef61ffd5..6268fad580 100644
--- a/lib/NGCP/Panel/Middleware/TEgzip.pm
+++ b/lib/NGCP/Panel/Middleware/TEgzip.pm
@@ -1,7 +1,7 @@
 package NGCP::Panel::Middleware::TEgzip;
 use Sipwise::Base;
 use HTTP::Headers::Util qw(split_header_words);
-use Plack::Middleware::Deflater qw();
+use Plack::Middleware::Deflater;
 # for internal package Plack::Middleware::Deflater::Encoder
 use Plack::Util qw();
 extends 'Plack::Middleware';
diff --git a/sandbox/api_auth.pl b/sandbox/api_auth.pl
new file mode 100755
index 0000000000..141f019a6b
--- /dev/null
+++ b/sandbox/api_auth.pl
@@ -0,0 +1,22 @@
+#!/usr/bin/perl -w
+use strict;
+use LWP::UserAgent;
+
+my $ua = LWP::UserAgent->new();
+$ua->ssl_opts(
+    SSL_cert_file => '/etc/ssl/ngcp/api/NGCP-API-client-certificate-1385650532.pem',
+    SSL_key_file  => '/etc/ssl/ngcp/api/NGCP-API-client-certificate-1385650532.pem',
+    SSL_ca_file   => '/etc/ssl/ngcp/api/ca-cert.pem',
+my $can_accept = HTTP::Message::decodable;
+my $res = $ua->get(
+    'https://serenity:4443/api/contacts/?id=10',
+    #'Accept-Encoding' => $can_accept,
+    'Accept' => 'application/hal+json',
+);
+if($res->is_success) {
+    print $res->as_string;
+} else {
+    print STDERR $res->status_line, "\n";
+}
+
+# vim: set tabstop=4 expandtab: