diff --git a/PVE/API2/Cluster/BackupInfo.pm b/PVE/API2/Cluster/BackupInfo.pm
new file mode 100644
index 0000000..4ef59ac
--- /dev/null
+++ b/PVE/API2/Cluster/BackupInfo.pm
@@ -0,0 +1,143 @@
+package PVE::API2::Cluster::BackupInfo;
+
+use strict;
+use warnings;
+use Digest::SHA;
+
+use PVE::SafeSyslog;
+use PVE::Tools qw(extract_param);
+use PVE::Cluster qw(cfs_lock_file cfs_read_file cfs_write_file);
+use PVE::RESTHandler;
+use PVE::RPCEnvironment;
+use PVE::JSONSchema;
+use PVE::Storage;
+use PVE::Exception qw(raise_param_exc);
+use PVE::VZDump;
+use PVE::VZDump::Common;
+
+use base qw(PVE::RESTHandler);
+
+sub get_included_vmids {
+    my $legacy_vzdump_job_cfg = cfs_read_file('vzdump.cron');
+    my $legacy_jobs = $legacy_vzdump_job_cfg->{jobs} || [];
+
+    my $jobs = cfs_read_file('jobs.cfg');
+
+    my $all_vmids = {};
+    for my $job ($legacy_jobs->@*, grep { $_->{type} eq 'vzdump' } values $jobs->{ids}->%*) {
+        my $job_included_guests = PVE::VZDump::get_included_guests($job);
+        $all_vmids->{$_} = 1 for map { $_->@* } values %{$job_included_guests};
+    }
+
+    return $all_vmids;
+}
+
+__PACKAGE__->register_method({
+    name => 'index',
+    path => '',
+    method => 'GET',
+    description => "Index for backup info related endpoints",
+    parameters => {
+        additionalProperties => 0,
+        properties => {},
+    },
+    returns => {
+        type => 'array',
+        description => 'Directory index.',
+        items => {
+            type => "object",
+            properties => {
+                subdir => {
+                    type => 'string',
+                    description => 'API sub-directory endpoint',
+                },
+            },
+        },
+        links => [{ rel => 'child', href => "{subdir}" }],
+    },
+    code => sub {
+        return [
+            { subdir => 'not-backed-up' },
+        ];
+    },
+});
+
+__PACKAGE__->register_method({
+    name => 'get_guests_not_in_backup',
+    path => 'not-backed-up',
+    method => 'GET',
+    protected => 1,
+    description => "Shows all guests which are not covered by any backup job.",
+    permissions => {
+        check => ['perm', '/', ['Sys.Audit']],
+    },
+    parameters => {
+        additionalProperties => 0,
+        properties => {},
+    },
+    returns => {
+        type => 'array',
+        description => 'Contains the guest objects.',
+        items => {
+            type => 'object',
+            properties => {
+                vmid => {
+                    type => 'integer',
+                    description => 'VMID of the guest.',
+                },
+                name => {
+                    type => 'string',
+                    description => 'Name of the guest',
+                    optional => 1,
+                },
+                type => {
+                    type => 'string',
+                    description => 'Type of the guest.',
+                    enum => ['qemu', 'lxc'],
+                },
+            },
+        },
+    },
+    code => sub {
+        my $rpcenv = PVE::RPCEnvironment::get();
+        my $user = $rpcenv->get_user();
+
+        my $included_vmids = get_included_vmids();
+        my $vmlist = PVE::Cluster::get_vmlist();
+
+        # remove VMIDs to which the user has no permission to not leak infos like the guest name
+        my @allowed_vmids =
+            grep { $rpcenv->check($user, "/vms/$_", ['VM.Audit'], 1) } keys $vmlist->{ids}->%*;
+
+        my $result = [];
+        for my $vmid (@allowed_vmids) {
+            next if $included_vmids->{$vmid};
+
+            my ($type, $node) = $vmlist->{ids}->{$vmid}->@{ 'type', 'node' };
+
+            my ($conf, $name);
+            if ($type eq 'qemu') {
+                $conf = PVE::QemuConfig->load_config($vmid, $node);
+                $name = $conf->{name};
+            } elsif ($type eq 'lxc') {
+                $conf = PVE::LXC::Config->load_config($vmid, $node);
+                $name = $conf->{hostname};
+            } else {
+                die
+                    "Unexpected error: unknown guest type for VMID $vmid, neither QEMU nor LXC\n";
+            }
+
+            my $entry = {
+                vmid => int($vmid),
+                type => $type,
+            };
+            $entry->{name} = $name if defined($name);
+
+            push @{$result}, $entry;
+        }
+
+        return $result;
+    },
+});
+
+1;
diff --git a/test/Makefile b/test/Makefile
new file mode 100644
index 0000000..2dfd20a
--- /dev/null
+++ b/test/Makefile
@@ -0,0 +1,69 @@
+include ../defines.mk
+
+all:
+
+export PERLLIB=..
+
+.PHONY: check
+check: test-replication test-balloon test-vzdump test-osd test-ceph-health test-ceph-services test-ceph-auth test-ceph-key-migration test-ceph-lockbox-migration test-custom-cpu-models test-pvesh
+
+.PHONY: test-balloon
+test-balloon:
+	./balloontest.pl
+
+.PHONY: test-replication
+test-replication: replication1.t replication2.t replication3.t replication4.t replication5.t replication6.t
+
+replication%.t: replication_test%.pl
+	./$<
+
+.PHONY: test-vzdump
+test-vzdump: test-vzdump-guest-included test-vzdump-new
+
+.PHONY: test-vzdump-guest-included
+test-vzdump-guest-included:
+	./vzdump_guest_included_test.pl
+
+.PHONY: test-vzdump-new
+test-vzdump-new:
+	./vzdump_new_test.pl
+
+.PHONY: test-osd
+test-osd:
+	./OSD_test.pl
+
+.PHONY: test-ceph-health
+test-ceph-health:
+	./CephHealth_test.pl
+
+.PHONY: test-ceph-services
+test-ceph-services:
+	./CephServices_test.pl
+
+.PHONY: test-ceph-auth
+test-ceph-auth:
+	./CephAuth_test.pl
+
+.PHONY: test-ceph-key-migration
+test-ceph-key-migration:
+	./CephKeyMigration_test.pl
+	./CephKeyMigrationScript_test.pl
+
+.PHONY: test-ceph-lockbox-migration
+test-ceph-lockbox-migration:
+	./CephLockboxMigration_test.pl
+
+.PHONY: test-custom-cpu-models
+test-custom-cpu-models:
+	./CustomCPUModels_test.pl
+
+.PHONY: test-pvesh
+test-pvesh:
+	./pvesh_test.pl
+
+.PHONY: install
+install:
+
+.PHONY: clean
+clean:
+	rm -rf *~ .mocked_* *.tmp