diff --git a/apps/cisco/dnac/restapi/custom/api.pm b/apps/cisco/dnac/restapi/custom/api.pm
new file mode 100644
index 000000000..d04dbe641
--- /dev/null
+++ b/apps/cisco/dnac/restapi/custom/api.pm
@@ -0,0 +1,278 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package apps::cisco::dnac::restapi::custom::api;
+
+use strict;
+use warnings;
+use centreon::plugins::http;
+use centreon::plugins::statefile;
+use JSON::XS;
+use Digest::MD5 qw(md5_hex);
+
+sub new {
+    my ($class, %options) = @_;
+    my $self  = {};
+    bless $self, $class;
+
+    if (!defined($options{output})) {
+        print "Class Custom: Need to specify 'output' argument.\n";
+        exit 3;
+    }
+    if (!defined($options{options})) {
+        $options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
+        $options{output}->option_exit();
+    }
+    
+    if (!defined($options{noptions})) {
+        $options{options}->add_options(arguments => {
+            'api-username:s'         => { name => 'api_username' },
+            'api-password:s'         => { name => 'api_password' },
+            'hostname:s'             => { name => 'hostname' },
+            'port:s'                 => { name => 'port' },
+            'proto:s'                => { name => 'proto' },
+            'timeout:s'              => { name => 'timeout' },
+            'unknown-http-status:s'  => { name => 'unknown_http_status' },
+            'warning-http-status:s'  => { name => 'warning_http_status' },
+            'critical-http-status:s' => { name => 'critical_http_status' }
+        });
+    }
+    $options{options}->add_help(package => __PACKAGE__, sections => 'REST API OPTIONS', once => 1);
+
+    $self->{output} = $options{output};
+    $self->{http} = centreon::plugins::http->new(%options);
+    $self->{cache} = centreon::plugins::statefile->new(%options);
+    
+    return $self;
+}
+
+sub set_options {
+    my ($self, %options) = @_;
+
+    $self->{option_results} = $options{option_results};
+}
+
+sub set_defaults {}
+
+sub check_options {
+    my ($self, %options) = @_;
+
+    $self->{hostname} = (defined($self->{option_results}->{hostname})) ? $self->{option_results}->{hostname} : '';
+    $self->{port} = (defined($self->{option_results}->{port})) ? $self->{option_results}->{port} : 443;
+    $self->{proto} = (defined($self->{option_results}->{proto})) ? $self->{option_results}->{proto} : 'https';
+    $self->{timeout} = (defined($self->{option_results}->{timeout})) ? $self->{option_results}->{timeout} : 10;
+    $self->{unknown_http_status} = (defined($self->{option_results}->{unknown_http_status})) ? $self->{option_results}->{unknown_http_status} : '%{http_code} < 200 or %{http_code} >= 300';
+    $self->{warning_http_status} = (defined($self->{option_results}->{warning_http_status})) ? $self->{option_results}->{warning_http_status} : '';
+    $self->{critical_http_status} = (defined($self->{option_results}->{critical_http_status})) ? $self->{option_results}->{critical_http_status} : '';
+    $self->{api_username} = (defined($self->{option_results}->{api_username})) ? $self->{option_results}->{api_username} : '';
+    $self->{api_password} = (defined($self->{option_results}->{api_password})) ? $self->{option_results}->{api_password} : '';
+
+    if ($self->{hostname} eq '') {
+        $self->{output}->add_option_msg(short_msg => "Need to specify --hostname option.");
+        $self->{output}->option_exit();
+    }
+    if ($self->{api_username} eq '') {
+        $self->{output}->add_option_msg(short_msg => "Need to specify --api-username option.");
+        $self->{output}->option_exit();
+    }
+    if ($self->{api_password} eq '') {
+        $self->{output}->add_option_msg(short_msg => "Need to specify --api-password option.");
+        $self->{output}->option_exit();
+    }
+
+    $self->{cache}->check_options(option_results => $self->{option_results});
+
+    return 0;
+}
+
+sub get_hostname {
+    my ($self, %options) = @_;
+
+    return $self->{hostname};
+}
+
+sub get_port {
+    my ($self, %options) = @_;
+
+    return $self->{port};
+}
+
+sub build_options_for_httplib {
+    my ($self, %options) = @_;
+
+    $self->{option_results}->{hostname} = $self->{hostname};
+    $self->{option_results}->{port} = $self->{port};
+    $self->{option_results}->{proto} = $self->{proto};
+    $self->{option_results}->{timeout} = $self->{timeout};
+}
+
+sub settings {
+    my ($self, %options) = @_;
+
+    $self->build_options_for_httplib();
+    $self->{http}->add_header(key => 'Content-Type', value => 'application/json');
+    $self->{http}->add_header(key => 'Accept', value => 'application/json');
+    $self->{http}->set_options(%{$self->{option_results}});
+}
+
+sub json_decode {
+    my ($self, %options) = @_;
+
+    my $decoded;
+    eval {
+        $decoded = JSON::XS->new->utf8->decode($options{content});
+    };
+    if ($@) {
+        $self->{output}->add_option_msg(short_msg => "Cannot decode json response: $@");
+        $self->{output}->option_exit();
+    }
+
+    return $decoded;
+}
+
+sub clean_session_token {
+    my ($self, %options) = @_;
+
+    my $datas = { last_timestamp => time() };
+    $options{statefile}->write(data => $datas);
+    $self->{session_token} = undef;
+    $self->{http}->add_header(key => 'X-Auth-Token', value => undef);
+}
+
+sub authenticate {
+    my ($self, %options) = @_;
+
+    my $has_cache_file = $options{statefile}->read(statefile => 'cisco_dnac_' . md5_hex($self->{option_results}->{hostname}) . '_' . md5_hex($self->{option_results}->{api_username}));
+    my $session_token = $options{statefile}->get(name => 'session_token');
+
+    if ($has_cache_file == 0 || !defined($session_token)) {
+        my ($content) = $self->{http}->request(
+            method => 'POST',
+            url_path => '/dna/system/api/v1/auth/token',
+            credentials => 1,
+            basic => 1,
+            username => $self->{api_username},
+            password => $self->{api_password},
+            warning_status => '',
+            unknown_status => '',
+            critical_status => ''
+        );
+        if ($self->{http}->get_code() < 200 || $self->{http}->get_code() >= 300) {
+            $self->{output}->add_option_msg(short_msg => "login error [code: '" . $self->{http}->get_code() . "'] [message: '" . $self->{http}->get_message() . "']");
+            $self->{output}->option_exit();
+        }
+
+        my $decoded = $self->json_decode(content => $content);
+        if (!defined($decoded->{Token})) {
+            $self->{output}->add_option_msg(short_msg => 'error retrieving session_token');
+            $self->{output}->option_exit();
+        }
+
+        $session_token = $decoded->{Token};
+        my $datas = { last_timestamp => time(), session_token => $session_token };
+        $options{statefile}->write(data => $datas);
+    }
+
+    $self->{session_token} = $session_token;
+    $self->{http}->add_header(key => 'X-Auth-Token', value => $self->{session_token});
+}
+
+sub request_api {
+    my ($self, %options) = @_;
+
+    $self->settings();
+    if (!defined($self->{session_token})) {
+        $self->authenticate(statefile => $self->{cache});
+    }
+
+    my ($content) = $self->{http}->request(
+        url_path => '/dna/intent/api/v1' . $options{endpoint},
+        get_param => $options{get_param},
+        unknown_status => '',
+        warning_status => '',
+        critical_status => '' 
+    );
+
+    if ($self->{http}->get_code() < 200 || $self->{http}->get_code() >= 300) {
+        $self->clean_session_token(statefile => $self->{cache});
+        $self->authenticate(statefile => $self->{cache});
+        ($content) = $self->{http}->request(
+            url_path => '/dna/intent/api/v1' . $options{endpoint},
+            get_param => $options{get_param},
+            unknown_status => $self->{unknown_http_status},
+            warning_status => $self->{warning_http_status},
+            critical_status => $self->{critical_http_status}
+        );
+    }
+
+    my $decoded = $self->json_decode(content => $content);
+    if (!defined($decoded)) {
+        $self->{output}->add_option_msg(short_msg => 'error while retrieving data (add --debug option for detailed message)');
+        $self->{output}->option_exit();
+    }
+
+    return $decoded;
+}
+
+1;
+
+__END__
+
+=head1 NAME
+
+Firepower Management Center Rest API
+
+=head1 REST API OPTIONS
+
+Firepower Management Center Rest API
+
+=over 8
+
+=item B<--hostname>
+
+Set hostname.
+
+=item B<--port>
+
+Port used (Default: 443)
+
+=item B<--proto>
+
+Specify https if needed (Default: 'https')
+
+=item B<--api-username>
+
+Set username.
+
+=item B<--api-password>
+
+Set password.
+
+=item B<--timeout>
+
+Set timeout in seconds (Default: 10).
+
+=back
+
+=head1 DESCRIPTION
+
+B<custom>.
+
+=cut
diff --git a/apps/cisco/dnac/restapi/mode/discovery.pm b/apps/cisco/dnac/restapi/mode/discovery.pm
new file mode 100644
index 000000000..a3c807cdc
--- /dev/null
+++ b/apps/cisco/dnac/restapi/mode/discovery.pm
@@ -0,0 +1,128 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package apps::cisco::dnac::restapi::mode::discovery;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+use JSON::XS;
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $options{options}->add_options(arguments => {
+        'resource-type:s' => { name => 'resource_type' },
+        'prettify'        => { name => 'prettify' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+
+    if (!defined($self->{option_results}->{resource_type}) || $self->{option_results}->{resource_type} eq '') {
+        $self->{option_results}->{resource_type} = 'network-device';
+    }
+    if ($self->{option_results}->{resource_type} !~ /^network-device$/) {
+        $self->{output}->add_option_msg(short_msg => 'unknown resource type');
+        $self->{output}->option_exit();
+    }
+}
+
+sub discovery_network_device {
+    my ($self, %options) = @_;
+
+    my $devices = $options{custom}->request_api(
+        endpoint => '/network-device'
+    );
+
+    my $disco_data = [];
+    foreach my $device (@{$devices->{response}}) {
+        my $node = {};
+        $node->{uuid} = $device->{id};
+        $node->{mac_address} = $device->{macAddress};
+        $node->{hostname} = $device->{hostname};
+        $node->{serial} = $device->{serialNumber};
+        $node->{software_type} = $device->{softwareType};
+        $node->{software_version} = $device->{softwareVersion};
+        $node->{role} = $device->{role};
+        $node->{family} = $device->{family};
+
+        push @$disco_data, $node;
+    }
+
+    return $disco_data;
+}
+
+sub run {
+    my ($self, %options) = @_;
+
+    my $disco_stats;
+    $disco_stats->{start_time} = time();
+
+    my $results =  $self->discovery_network_device(
+        custom => $options{custom}
+    );
+
+    $disco_stats->{end_time} = time();
+    $disco_stats->{duration} = $disco_stats->{end_time} - $disco_stats->{start_time};
+    $disco_stats->{discovered_items} = scalar(@$results);
+    $disco_stats->{results} = $results;
+
+    my $encoded_data;
+    eval {
+        if (defined($self->{option_results}->{prettify})) {
+            $encoded_data = JSON::XS->new->utf8->pretty->encode($disco_stats);
+        } else {
+            $encoded_data = JSON::XS->new->utf8->encode($disco_stats);
+        }
+    };
+    if ($@) {
+        $encoded_data = '{"code":"encode_error","message":"Cannot encode discovered data into JSON format"}';
+    }
+    
+    $self->{output}->output_add(short_msg => $encoded_data);
+    $self->{output}->display(nolabel => 1, force_ignore_perfdata => 1);
+    $self->{output}->exit();
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Resources discovery.
+
+=over 8
+
+=item B<--resource-type>
+
+Choose the type of resources to discover (Can be: 'network-device').
+
+=back
+
+=cut
diff --git a/apps/cisco/dnac/restapi/mode/networkdevices.pm b/apps/cisco/dnac/restapi/mode/networkdevices.pm
new file mode 100644
index 000000000..fdb022456
--- /dev/null
+++ b/apps/cisco/dnac/restapi/mode/networkdevices.pm
@@ -0,0 +1,215 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package apps::cisco::dnac::restapi::mode::networkdevices;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+sub custom_health_output {
+    my ($self, %options) = @_;
+
+    return sprintf(
+        '%.2f%% (%s on %s)',
+        $self->{result_values}->{prct},
+        $self->{result_values}->{count},
+        $self->{result_values}->{total}
+    );
+}
+
+sub category_long_output {
+    my ($self, %options) = @_;
+
+    return "checking network category '" . $options{instance_value}->{name} . "'";
+}
+
+sub prefix_category_output {
+    my ($self, %options) = @_;
+
+    return "Network category '" . $options{instance_value}->{name} . "' ";
+}
+
+sub prefix_global_output {
+    my ($self, %options) = @_;
+
+    return 'Network devices ';
+}
+
+sub prefix_good_output {
+    my ($self, %options) = @_;
+
+    return 'good devices: ';
+}
+
+sub prefix_fair_output {
+    my ($self, %options) = @_;
+
+    return 'fair devices: ';
+}
+
+sub prefix_bad_output {
+    my ($self, %options) = @_;
+
+    return 'bad devices: ';
+}
+
+sub prefix_unmonitored_output {
+    my ($self, %options) = @_;
+
+    return 'unmonitored devices: ';
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+    
+    $self->{maps_counters_type} = [
+        { name => 'global', type => 0, cb_prefix_output => 'prefix_global_output', skipped_code => { -10 => 1 } },
+        { name => 'categories', type => 3, cb_prefix_output => 'prefix_categorie_output', cb_long_output => 'category_long_output', indent_long_output => '    ', message_multiple => 'All network categories are ok',
+            group => [
+                { name => 'good', type => 0, cb_prefix_output => 'prefix_good_output', skipped_code => { -10 => 1 } },
+                { name => 'fair', type => 0, cb_prefix_output => 'prefix_fair_output', skipped_code => { -10 => 1 } },
+                { name => 'bad', type => 0, cb_prefix_output => 'prefix_bad_output', skipped_code => { -10 => 1 } },
+                { name => 'unmonitored', type => 0, cb_prefix_output => 'prefix_unmonitored_output', skipped_code => { -10 => 1 } }
+            ]
+        }
+    ];
+
+    $self->{maps_counters}->{global} = [
+        { label => 'devices-total', nlabel => 'network.devices.total.count', display_ok => 0, set => {
+                key_values => [ { name => 'devices_total' } ],
+                output_template => 'total: %s',
+                perfdatas => [
+                    { template => '%s', min => 0 }
+                ]
+            }
+        }
+    ];
+
+    foreach (('good', 'fair', 'bad', 'unmonitored')) {
+        $self->{maps_counters}->{$_} = [
+            { label => 'category-devices-health-' . $_ . '-usage', nlabel => 'category.network.devices.health.' . $_ . '.count', set => {
+                    key_values => [ { name => 'count' }, { name => 'prct' }, { name => 'total' } ],
+                    closure_custom_output => $self->can('custom_health_output'),
+                    perfdatas => [
+                        { template => '%d', min => 0, max => 'total',  label_extra_instance => 1 }
+                    ]
+                }
+            },
+            { label => 'category-devices-health-' . $_ . '-usage-prct', nlabel => 'category.network.devices.health.' . $_ . '.percentage', display_ok => 0, set => {
+                    key_values => [ { name => 'count' }, { name => 'prct' }, { name => 'total' } ],
+                    closure_custom_output => $self->can('custom_health_output'),
+                    perfdatas => [
+                        { template => '%.2f', min => 0, max => 100, label_extra_instance => 1 }
+                    ]
+                }
+            }
+        ];
+    }
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+    
+    $options{options}->add_options(arguments => {
+        'filter-category-name:s' => { name => 'filter_category_name' }
+    });
+    
+    return $self;
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $networks = $options{custom}->request_api(
+        endpoint => '/network-health'
+    );
+
+    $self->{global} = { devices_total => 0 };
+    $self->{categories} = {};
+
+    foreach (@{$networks->{healthDistirubution}}) {
+        if (defined($self->{option_results}->{filter_category_name}) && $self->{option_results}->{filter_category_name} ne '' &&
+            $_->{category} !~ /$self->{option_results}->{filter_category_name}/) {
+            $self->{output}->output_add(long_msg => "skipping category '" . $_->{category} . "': no matching filter.", debug => 1);
+            next;
+        }
+
+        $self->{categories}->{ $_->{category} } = {
+            name => $_->{category},
+            good => {
+                name => $_->{category},
+                total => $_->{totalCount},
+                count => $_->{goodCount},
+                prct => $_->{goodCount} * 100 / $_->{totalCount}
+            },
+            fair => {
+                name => $_->{category},
+                total => $_->{totalCount},
+                count => $_->{fairCount},
+                prct => $_->{fairCount} * 100 / $_->{totalCount}
+            },
+            bad => {
+                name => $_->{category},
+                total => $_->{totalCount},
+                count => $_->{badCount},
+                prct => $_->{badCount} * 100 / $_->{totalCount}
+            },
+            unmonitored => {
+                name => $_->{category},
+                total => $_->{totalCount},
+                count => $_->{unmonCount},
+                prct => $_->{unmonCount} * 100 / $_->{totalCount}
+            }
+        };
+
+        $self->{global}->{devices_total} += $_->{totalCount};
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check network devices by categories.
+
+=over 8
+
+=item B<--filter-category-name>
+
+Filter categories by name (Can be a regexp).
+
+=item B<--warning-*> B<--critical-*>
+
+Thresholds.
+Can be: 'category-devices-health-good-usage', 'category-devices-health-good-usage-prct',
+'category-devices-health-unmonitored-usage', 'category-devices-health-unmonitored-usage-prct', 
+'category-devices-health-fair-usage', 'category-devices-health-fair-usage-prct',
+'category-devices-health-bad-usage', 'category-devices-health-bad-usage-prct', 
+'devices-total'.
+
+=back
+
+=cut
diff --git a/apps/cisco/dnac/restapi/mode/sites.pm b/apps/cisco/dnac/restapi/mode/sites.pm
new file mode 100644
index 000000000..06482ba4f
--- /dev/null
+++ b/apps/cisco/dnac/restapi/mode/sites.pm
@@ -0,0 +1,215 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package apps::cisco::dnac::restapi::mode::sites;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+use centreon::plugins::misc;
+
+sub custom_health_output {
+    my ($self, %options) = @_;
+
+    return sprintf(
+        'healthy %.2f%% (%s on %s)',
+        $self->{result_values}->{prct},
+        $self->{result_values}->{count},
+        $self->{result_values}->{total}
+    );
+}
+
+sub site_long_output {
+    my ($self, %options) = @_;
+
+    return "checking site '" . $options{instance_value}->{name} . "'";
+}
+
+sub prefix_site_output {
+    my ($self, %options) = @_;
+
+    return "Site '" . $options{instance_value}->{name} . "' ";
+}
+
+sub prefix_devices_output {
+    my ($self, %options) = @_;
+
+    return 'devices: ';
+}
+
+sub prefix_clients_output {
+    my ($self, %options) = @_;
+
+    return 'clients: ';
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+    
+    $self->{maps_counters_type} = [
+        { name => 'sites', type => 3, cb_prefix_output => 'prefix_site_output', cb_long_output => 'site_long_output', indent_long_output => '    ', message_multiple => 'All sites are ok',
+            group => [
+                { name => 'devices', type => 0, cb_prefix_output => 'prefix_devices_output', skipped_code => { -10 => 1 } },
+                { name => 'clients', type => 0, cb_prefix_output => 'prefix_clients_output', skipped_code => { -10 => 1 } }
+            ]
+        }
+    ];
+
+    $self->{maps_counters}->{devices} = [
+        { label => 'site-devices-healthy-usage', nlabel => 'site.network.devices.healthy.count', set => {
+                key_values => [ { name => 'count' }, { name => 'prct' }, { name => 'total' } ],
+                closure_custom_output => $self->can('custom_health_output'),
+                perfdatas => [
+                    { template => '%d', min => 0, max => 'total',  label_extra_instance => 1 }
+                ]
+            }
+        },
+        { label => 'site-devices-healthy-usage-prct', nlabel => 'site.network.devices.healthy.percentage', display_ok => 0, set => {
+                key_values => [ { name => 'count' }, { name => 'prct' }, { name => 'total' } ],
+                closure_custom_output => $self->can('custom_health_output'),
+                perfdatas => [
+                    { template => '%.2f', min => 0, max => 100, label_extra_instance => 1 }
+                ]
+            }
+        }
+    ];
+
+    $self->{maps_counters}->{clients} = [
+        { label => 'site-clients-healthy-usage', nlabel => 'site.clients.healthy.count', set => {
+                key_values => [ { name => 'count' }, { name => 'prct' }, { name => 'total' } ],
+                closure_custom_output => $self->can('custom_health_output'),
+                perfdatas => [
+                    { template => '%d', min => 0, max => 'total',  label_extra_instance => 1 }
+                ]
+            }
+        },
+        { label => 'site-clients-healthy-usage-prct', nlabel => 'site.clients.healthy.percentage', display_ok => 0, set => {
+                key_values => [ { name => 'count' }, { name => 'prct' }, { name => 'total' } ],
+                closure_custom_output => $self->can('custom_health_output'),
+                perfdatas => [
+                    { template => '%.2f', min => 0, max => 100, label_extra_instance => 1 }
+                ]
+            }
+        }
+    ];
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+    
+    $options{options}->add_options(arguments => {
+        'filter-site-name:s' => { name => 'filter_site_name' },
+        'use-site-fullname'  => { name => 'use_site_fullname' }
+    });
+    
+    return $self;
+}
+
+sub get_fullname {
+    my ($self, %options) = @_;
+
+    return $options{name} if (!defined($options{parent_id}));
+    my $name = $options{name};
+    foreach (@{$options{response}}) {
+        if ($_->{siteId} eq $options{parent_id}) {
+            $name = $self->get_fullname(
+                response => $options{response},
+                name => centreon::plugins::misc::trim($_->{siteName}) . '>' . $name,
+                parent_id => $_->{parentSiteId}
+            );
+            last;
+        }
+    }
+
+    return $name;
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my $sites = $options{custom}->request_api(
+        endpoint => '/site-health'
+    );
+
+    $self->{categories} = {};
+    foreach (@{$sites->{response}}) {
+        my $site_fullname = $self->get_fullname(
+            response => $sites->{response},
+            name => centreon::plugins::misc::trim($_->{siteName}),
+            parent_id => $_->{parentSiteId}
+        );
+        my $site_name = defined($self->{option_results}->{use_site_fullname}) ? $site_fullname : centreon::plugins::misc::trim($_->{siteName});
+        if (defined($self->{option_results}->{filter_site_name}) && $self->{option_results}->{filter_site_name} ne '' &&
+            $site_name !~ /$self->{option_results}->{filter_site_name}/) {
+            $self->{output}->output_add(long_msg => "skipping site '" . $site_name . "': no matching filter.", debug => 1);
+            next;
+        }
+
+        $self->{sites}->{ $site_name } = {
+            name => $site_name,
+            devices => {
+                name => $site_name,
+                total => $_->{numberOfNetworkDevice},
+                count => int($_->{numberOfNetworkDevice} * $_->{healthyNetworkDevicePercentage} / 100),
+                prct => $_->{healthyNetworkDevicePercentage}
+            },
+            clients => {
+                name => $site_name,
+                total => $_->{numberOfClients},
+                count => int($_->{numberOfClients} * $_->{healthyClientsPercentage} / 100),
+                prct => $_->{healthyClientsPercentage}
+            }
+        };
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check sites.
+
+=over 8
+
+=item B<--filter-site-name>
+
+Filter sites by name (Can be a regexp).
+
+=item B<--use-site-fullname>
+
+Use site fullname (with parents name).
+
+=item B<--warning-*> B<--critical-*>
+
+Thresholds.
+Can be: 'category-devices-health-good-usage', 'category-devices-health-good-usage-prct',
+'category-devices-health-unmonitored-usage', 'category-devices-health-unmonitored-usage-prct', 
+'category-devices-health-fair-usage', 'category-devices-health-fair-usage-prct',
+'category-devices-health-bad-usage', 'category-devices-health-bad-usage-prct', 
+'devices-total'.
+
+=back
+
+=cut
diff --git a/apps/cisco/dnac/restapi/plugin.pm b/apps/cisco/dnac/restapi/plugin.pm
new file mode 100644
index 000000000..9a849e667
--- /dev/null
+++ b/apps/cisco/dnac/restapi/plugin.pm
@@ -0,0 +1,51 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package apps::cisco::dnac::restapi::plugin;
+
+use strict;
+use warnings;
+use base qw(centreon::plugins::script_custom);
+
+sub new {
+    my ( $class, %options ) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '0.1';
+    $self->{modes} = {
+        'discovery'       => 'apps::cisco::dnac::restapi::mode::discovery',
+        'network-devices' => 'apps::cisco::dnac::restapi::mode::networkdevices',
+        'sites'           => 'apps::cisco::dnac::restapi::mode::sites'
+    };
+
+    $self->{custom_modes}->{api} = 'apps::cisco::dnac::restapi::custom::api';
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Cisco DNA Center using Rest API.
+
+=cut