diff --git a/centreon-plugins/cloud/azure/custom/api.pm b/centreon-plugins/cloud/azure/custom/api.pm
index 6e56c0469..7f782b5f2 100644
--- a/centreon-plugins/cloud/azure/custom/api.pm
+++ b/centreon-plugins/cloud/azure/custom/api.pm
@@ -334,7 +334,7 @@ sub azure_get_resource_health_set_url {
 
     my $url = $self->{management_endpoint} . "/subscriptions/" . $self->{subscription} . "/resourceGroups/" .
         $options{resource_group} . "/providers/" . $options{resource_namespace} . "/" . $options{resource_type} .
-        "/" . $options{resource} . "/providers/Microsoft.ResourceHealth/availabilityStatuses/current?api-version=" . $self->{api_version};
+        "/" . $options{resource} . "/providers/Microsoft.ResourceHealth/availabilityStatuses/current?api-version=" . $options{api_version};
 
     return $url;
 }
diff --git a/centreon-plugins/cloud/azure/network/frontdoor/mode/backendhealth.pm b/centreon-plugins/cloud/azure/network/frontdoor/mode/backendhealth.pm
new file mode 100644
index 000000000..571ef7ce8
--- /dev/null
+++ b/centreon-plugins/cloud/azure/network/frontdoor/mode/backendhealth.pm
@@ -0,0 +1,140 @@
+#
+# Copyright 2021 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package cloud::azure::network::frontdoor::mode::backendhealth;
+
+use base qw(cloud::azure::custom::mode);
+
+use strict;
+use warnings;
+
+sub get_metrics_mapping {
+    my ($self, %options) = @_;
+
+    my $metrics_mapping = {
+        'backendhealthpercentage' => {
+            'output' => 'Backend Health Percentage',
+            'label'  => 'backend-health-percentage',
+            'nlabel' => 'frontdoor.backend.health.percentage',
+            'unit'   => '%',
+            'min'    => '0',
+            'max'    => '100'
+        }
+    };
+
+    return $metrics_mapping;
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter-metric:s'  => { name => 'filter_metric' },
+        'resource:s'       => { name => 'resource' },
+        'resource-group:s' => { name => 'resource_group' }
+    });
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    if (!defined($self->{option_results}->{resource}) || $self->{option_results}->{resource} eq '') {
+        $self->{output}->add_option_msg(short_msg => 'Need to specify either --resource <name> with --resource-group option or --resource <id>.');
+        $self->{output}->option_exit();
+    }
+    my $resource = $self->{option_results}->{resource};
+    my $resource_group = defined($self->{option_results}->{resource_group}) ? $self->{option_results}->{resource_group} : '';
+    if ($resource =~ /^\/subscriptions\/.*\/resourceGroups\/(.*)\/providers\/Microsoft\.Network\/frontdoors\/(.*)$/) {
+        $resource_group = $1;
+        $resource = $2;
+    }
+
+    $self->{az_resource} = $resource;
+    $self->{az_resource_group} = $resource_group;
+    $self->{az_resource_type} = 'frontdoors';
+    $self->{az_resource_namespace} = 'Microsoft.Network';
+    $self->{az_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 900;
+    $self->{az_interval} = defined($self->{option_results}->{interval}) ? $self->{option_results}->{interval} : 'PT5M';
+    $self->{az_aggregations} = ['Average'];
+    if (defined($self->{option_results}->{aggregation})) {
+        $self->{az_aggregations} = [];
+        foreach my $stat (@{$self->{option_results}->{aggregation}}) {
+            if ($stat ne '') {
+                push @{$self->{az_aggregations}}, ucfirst(lc($stat));
+            }
+        }
+    }
+
+    foreach my $metric (keys %{$self->{metrics_mapping}}) {
+        next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
+            && $metric !~ /$self->{option_results}->{filter_metric}/);
+        push @{$self->{az_metrics}}, $metric;
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Azure Web FrontDoor backend health.
+
+Example:
+
+Using resource name :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::frontdoor::plugin --mode=backendhealth --custommode=api
+--resource=<frontdoor_id> --resource-group=<resourcegroup_id> --aggregation='average'
+--warning-backend-health-percentage='100:' --critical-backend-health-percentage='90:'
+
+Using resource id :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::frontdoor::plugin --mode=backendhealth --custommode=api
+--resource='/subscriptions/<subscription_id>/resourceGroups/<resourcegroup_id>/providers/Microsoft.Network/frontdoors/<frontdoor_id>'
+--aggregation='maximum' --warning-backend-health-percentage='100:' --critical-backend-health-percentage='90:'
+
+Default aggregation: 'average' / 'minimum', 'maximum' and 'total' are valid.
+
+=over 8
+
+=item B<--resource>
+
+Set resource name or id (Required).
+
+=item B<--resource-group>
+
+Set resource group (Required if resource's name is used).
+
+=item B<--warning-backend-health-percentage>
+
+Warning threshold.
+
+=item B<--critical-backend-health-percentage>
+
+Critical threshold.
+
+=back
+
+=cut
diff --git a/centreon-plugins/cloud/azure/network/frontdoor/mode/discovery.pm b/centreon-plugins/cloud/azure/network/frontdoor/mode/discovery.pm
new file mode 100644
index 000000000..cf26aad0b
--- /dev/null
+++ b/centreon-plugins/cloud/azure/network/frontdoor/mode/discovery.pm
@@ -0,0 +1,60 @@
+#
+# Copyright 2021 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 cloud::azure::network::frontdoor::mode::discovery;
+
+use base qw(cloud::azure::management::monitor::mode::discovery);
+
+use strict;
+use warnings;
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $self->{namespace} = 'Microsoft.Network';
+    $self->{type} = 'frontdoors';
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Azure FrontDoor discovery.
+
+=over 8
+
+=item B<--resource-group>
+
+Specify resource group.
+
+=item B<--location>
+
+Specify location.
+
+=item B<--prettify>
+
+Prettify JSON output.
+
+=back
+
+=cut
diff --git a/centreon-plugins/cloud/azure/network/frontdoor/mode/health.pm b/centreon-plugins/cloud/azure/network/frontdoor/mode/health.pm
new file mode 100644
index 000000000..5de72876c
--- /dev/null
+++ b/centreon-plugins/cloud/azure/network/frontdoor/mode/health.pm
@@ -0,0 +1,76 @@
+#
+# Copyright 2021 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package cloud::azure::network::frontdoor::mode::health;
+
+use base qw(cloud::azure::management::monitor::mode::health);
+
+use strict;
+use warnings;
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $self->{az_resource_namespace} = 'Microsoft.Network';
+    $self->{az_resource_type} = 'frontdoors';
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Azure FrontDoor health status.
+
+=over 8
+
+=item B<--resource>
+
+Set resource name or id (Required).
+
+=item B<--resource-group>
+
+Set resource group (Required if resource's name is used).
+
+=item B<--warning-status>
+
+Set warning threshold for status (Default: '').
+Can used special variables like: %{status}, %{summary}
+
+=item B<--critical-status>
+
+Set critical threshold for status (Default: '%{status} =~ /^Unavailable$/').
+Can used special variables like: %{status}, %{summary}
+
+=item B<--unknown-status>
+
+Set unknown threshold for status (Default: '%{status} =~ /^Unknown$/').
+Can used special variables like: %{status}, %{summary}
+
+=item B<--ok-status>
+
+Set ok threshold for status (Default: '%{status} =~ /^Available$/').
+Can used special variables like: %{status}, %{summary}
+
+=back
+
+=cut
diff --git a/centreon-plugins/cloud/azure/network/frontdoor/mode/latency.pm b/centreon-plugins/cloud/azure/network/frontdoor/mode/latency.pm
new file mode 100644
index 000000000..ad4fc9131
--- /dev/null
+++ b/centreon-plugins/cloud/azure/network/frontdoor/mode/latency.pm
@@ -0,0 +1,151 @@
+#
+# Copyright 2021 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 cloud::azure::network::frontdoor::mode::latency;
+
+use base qw(cloud::azure::custom::mode);
+
+use strict;
+use warnings;
+
+sub get_metrics_mapping {
+    my ($self, %options) = @_;
+
+    my $metrics_mapping = {
+        'backendrequestlatency' => {
+            'output' => 'Backend Request Latency',
+            'label'  => 'backend-request-latency',
+            'nlabel' => 'frontdoor.latency.backend.milliseconds',
+            'unit'   => 'ms',
+            'min'    => '0',
+            'max'    => ''
+        },
+        'totallatency' => {
+            'output' => 'Total Latency',
+            'label'  => 'total-latency',
+            'nlabel' => 'frontdoor.latency.total.milliseconds',
+            'unit'   => 'ms',
+            'min'    => '0',
+            'max'    => ''
+        }
+    };
+
+    return $metrics_mapping;
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter-metric:s'  => { name => 'filter_metric' },
+        'resource:s'       => { name => 'resource' },
+        'resource-group:s' => { name => 'resource_group' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    if (!defined($self->{option_results}->{resource}) || $self->{option_results}->{resource} eq '') {
+        $self->{output}->add_option_msg(short_msg => 'Need to specify either --resource <name> with --resource-group option or --resource <id>.');
+        $self->{output}->option_exit();
+    }
+    my $resource = $self->{option_results}->{resource};
+    my $resource_group = defined($self->{option_results}->{resource_group}) ? $self->{option_results}->{resource_group} : '';
+    if ($resource =~ /^\/subscriptions\/.*\/resourceGroups\/(.*)\/providers\/Microsoft\.Network\/frontdoors\/(.*)$/) {
+        $resource_group = $1;
+        $resource = $2;
+    }
+
+    $self->{az_resource} = $resource;
+    $self->{az_resource_group} = $resource_group;
+    $self->{az_resource_type} = 'frontdoors';
+    $self->{az_resource_namespace} = 'Microsoft.Network';
+    $self->{az_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 900;
+    $self->{az_interval} = defined($self->{option_results}->{interval}) ? $self->{option_results}->{interval} : 'PT5M';
+    $self->{az_aggregations} = ['Average'];
+    if (defined($self->{option_results}->{aggregation})) {
+        $self->{az_aggregations} = [];
+        foreach my $stat (@{$self->{option_results}->{aggregation}}) {
+            if ($stat ne '') {
+                push @{$self->{az_aggregations}}, ucfirst(lc($stat));
+            }
+        }
+    }
+
+    foreach my $metric (keys %{$self->{metrics_mapping}}) {
+        next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
+            && $metric !~ /$self->{option_results}->{filter_metric}/);
+        push @{$self->{az_metrics}}, $metric;
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Azure Web FrontDoor latency.
+
+Example:
+
+Using resource name :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::frontdoor::plugin --mode=latency --custommode=api
+--resource=<frontdoor_id> --resource-group=<resourcegroup_id> --aggregation='average'
+--warning-total-latency='50' --critical-total-latency='100'
+
+Using resource id :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::frontdoor::plugin --mode=latency --custommode=api
+--resource='/subscriptions/<subscription_id>/resourceGroups/<resourcegroup_id>/providers/Microsoft.Network/frontdoors/<frontdoor_id>'
+--aggregation='average' --warning-total-latency='50' --critical-total-latency='100'
+
+Default aggregation: 'average' / 'minimum', 'maximum' and 'total' are valid.
+
+=over 8
+
+=item B<--resource>
+
+Set resource name or id (Required).
+
+=item B<--resource-group>
+
+Set resource group (Required if resource's name is used).
+
+=item B<--warning-*>
+
+Warning threshold where '*' can be:
+'total-latency', 'backend-request-latency'.
+
+=item B<--critical-*>
+
+Critical threshold where '*' can be:
+'total-latency', 'backend-request-latency'.
+
+=back
+
+=cut
diff --git a/centreon-plugins/cloud/azure/network/frontdoor/mode/requests.pm b/centreon-plugins/cloud/azure/network/frontdoor/mode/requests.pm
new file mode 100644
index 000000000..ddb5c9455
--- /dev/null
+++ b/centreon-plugins/cloud/azure/network/frontdoor/mode/requests.pm
@@ -0,0 +1,159 @@
+#
+# Copyright 2021 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 cloud::azure::network::frontdoor::mode::requests;
+
+use base qw(cloud::azure::custom::mode);
+
+use strict;
+use warnings;
+
+sub get_metrics_mapping {
+    my ($self, %options) = @_;
+
+    my $metrics_mapping = {
+        'backendrequestcount' => {
+            'output' => 'Backend Requests Count',
+            'label'  => 'backend-requests-count',
+            'nlabel' => 'frontdoor.requests.backend.count',
+            'unit'   => '',
+            'min'    => '0',
+            'max'    => ''
+        },
+        'requestcount' => {
+            'output' => 'Total Requests Count',
+            'label'  => 'total-requests-count',
+            'nlabel' => 'frontdoor.requests.total.count',
+            'unit'   => '',
+            'min'    => '0',
+            'max'    => ''
+        },
+        'webapplicationfirewallrequestcount' => {
+            'output' => 'WAF Requests Count',
+            'label'  => 'waf-requests-count',
+            'nlabel' => 'frontdoor.requests.waf.count',
+            'unit'   => '',
+            'min'    => '0',
+            'max'    => ''
+        },
+    };
+
+    return $metrics_mapping;
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter-metric:s'  => { name => 'filter_metric' },
+        'resource:s'       => { name => 'resource' },
+        'resource-group:s' => { name => 'resource_group' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    if (!defined($self->{option_results}->{resource}) || $self->{option_results}->{resource} eq '') {
+        $self->{output}->add_option_msg(short_msg => 'Need to specify either --resource <name> with --resource-group option or --resource <id>.');
+        $self->{output}->option_exit();
+    }
+    my $resource = $self->{option_results}->{resource};
+    my $resource_group = defined($self->{option_results}->{resource_group}) ? $self->{option_results}->{resource_group} : '';
+    if ($resource =~ /^\/subscriptions\/.*\/resourceGroups\/(.*)\/providers\/Microsoft\.Network\/frontdoors\/(.*)$/) {
+        $resource_group = $1;
+        $resource = $2;
+    }
+
+    $self->{az_resource} = $resource;
+    $self->{az_resource_group} = $resource_group;
+    $self->{az_resource_type} = 'frontdoors';
+    $self->{az_resource_namespace} = 'Microsoft.Network';
+    $self->{az_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 900;
+    $self->{az_interval} = defined($self->{option_results}->{interval}) ? $self->{option_results}->{interval} : 'PT5M';
+    $self->{az_aggregations} = ['Total'];
+    if (defined($self->{option_results}->{aggregation})) {
+        $self->{az_aggregations} = [];
+        foreach my $stat (@{$self->{option_results}->{aggregation}}) {
+            if ($stat ne '') {
+                push @{$self->{az_aggregations}}, ucfirst(lc($stat));
+            }
+        }
+    }
+
+    foreach my $metric (keys %{$self->{metrics_mapping}}) {
+        next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
+            && $metric !~ /$self->{option_results}->{filter_metric}/);
+        push @{$self->{az_metrics}}, $metric;
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Azure Web FrontDoor latency.
+
+Example:
+
+Using resource name :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::frontdoor::plugin --mode=requests --custommode=api
+--resource=<frontdoor_id> --resource-group=<resourcegroup_id> --aggregation='total'
+--warning-total-requests-count='3000' --critical-total-latency='4000'
+
+Using resource id :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::frontdoor::plugin --mode=requests --custommode=api
+--resource='/subscriptions/<subscription_id>/resourceGroups/<resourcegroup_id>/providers/Microsoft.Network/frontdoors/<frontdoor_id>'
+--aggregation='total' --warning-total-requests-count='3000' --critical-total-latency='4000'
+
+Default aggregation: 'total' / 'minimum', 'maximum' and 'average' are valid.
+
+=over 8
+
+=item B<--resource>
+
+Set resource name or id (Required).
+
+=item B<--resource-group>
+
+Set resource group (Required if resource's name is used).
+
+=item B<--warning-*>
+
+Warning threshold where '*' can be:
+'waf-requests-count', 'backend-request-count', 'total-requests-count'.
+
+=item B<--critical-*>
+
+Critical threshold where '*' can be:
+'waf-requests-count', 'backend-request-count', 'total-requests-count'.
+
+=back
+
+=cut
diff --git a/centreon-plugins/cloud/azure/network/frontdoor/mode/size.pm b/centreon-plugins/cloud/azure/network/frontdoor/mode/size.pm
new file mode 100644
index 000000000..77c093da6
--- /dev/null
+++ b/centreon-plugins/cloud/azure/network/frontdoor/mode/size.pm
@@ -0,0 +1,159 @@
+#
+# Copyright 2021 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 cloud::azure::network::frontdoor::mode::size;
+
+use base qw(cloud::azure::custom::mode);
+
+use strict;
+use warnings;
+
+sub get_metrics_mapping {
+    my ($self, %options) = @_;
+
+    my $metrics_mapping = {
+        'billableresponsesize' => {
+            'output' => 'Billable Response Size',
+            'label'  => 'billable-response-size',
+            'nlabel' => 'frontdoor.size.billable.bytes',
+            'unit'   => 'B',
+            'min'    => '0',
+            'max'    => ''
+        },
+        'requestsize' => {
+            'output' => 'Requests Size',
+            'label'  => 'requests-size',
+            'nlabel' => 'frontdoor.size.requests.bytes',
+            'unit'   => 'B',
+            'min'    => '0',
+            'max'    => ''
+        },
+        'responsesize' => {
+            'output' => 'Response Size',
+            'label'  => 'response-size',
+            'nlabel' => 'frontdoor.size.response.bytes',
+            'unit'   => 'B',
+            'min'    => '0',
+            'max'    => ''
+        }
+    };
+
+    return $metrics_mapping;
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter-metric:s'  => { name => 'filter_metric' },
+        'resource:s'       => { name => 'resource' },
+        'resource-group:s' => { name => 'resource_group' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    if (!defined($self->{option_results}->{resource}) || $self->{option_results}->{resource} eq '') {
+        $self->{output}->add_option_msg(short_msg => 'Need to specify either --resource <name> with --resource-group option or --resource <id>.');
+        $self->{output}->option_exit();
+    }
+    my $resource = $self->{option_results}->{resource};
+    my $resource_group = defined($self->{option_results}->{resource_group}) ? $self->{option_results}->{resource_group} : '';
+    if ($resource =~ /^\/subscriptions\/.*\/resourceGroups\/(.*)\/providers\/Microsoft\.Network\/frontdoors\/(.*)$/) {
+        $resource_group = $1;
+        $resource = $2;
+    }
+
+    $self->{az_resource} = $resource;
+    $self->{az_resource_group} = $resource_group;
+    $self->{az_resource_type} = 'frontdoors';
+    $self->{az_resource_namespace} = 'Microsoft.Network';
+    $self->{az_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 900;
+    $self->{az_interval} = defined($self->{option_results}->{interval}) ? $self->{option_results}->{interval} : 'PT5M';
+    $self->{az_aggregations} = ['Total'];
+    if (defined($self->{option_results}->{aggregation})) {
+        $self->{az_aggregations} = [];
+        foreach my $stat (@{$self->{option_results}->{aggregation}}) {
+            if ($stat ne '') {
+                push @{$self->{az_aggregations}}, ucfirst(lc($stat));
+            }
+        }
+    }
+
+    foreach my $metric (keys %{$self->{metrics_mapping}}) {
+        next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
+            && $metric !~ /$self->{option_results}->{filter_metric}/);
+        push @{$self->{az_metrics}}, $metric;
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Azure Web FrontDoor requests size.
+
+Example:
+
+Using resource name :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::frontdoor::plugin --mode=size --custommode=api
+--resource=<frontdoor_id> --resource-group=<resourcegroup_id> --aggregation='total'
+--warning-requests-size='300000' --critical-requests-size='400000'
+
+Using resource id :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::frontdoor::plugin --mode=size --custommode=api
+--resource='/subscriptions/<subscription_id>/resourceGroups/<resourcegroup_id>/providers/Microsoft.Network/frontdoors/<frontdoor_id>'
+--aggregation='total' --warning-requests-size='300000' --critical-requests-size='400000'
+
+Default aggregation: 'total' / 'minimum', 'maximum' and 'average' are valid.
+
+=over 8
+
+=item B<--resource>
+
+Set resource name or id (Required).
+
+=item B<--resource-group>
+
+Set resource group (Required if resource's name is used).
+
+=item B<--warning-*>
+
+Warning threshold where '*' can be:
+'billable-response-size', 'response-size', 'requests-size'.
+
+=item B<--critical-*>
+
+Critical threshold where '*' can be:
+'billable-response-size', 'response-size', 'requests-size'.
+
+=back
+
+=cut
diff --git a/centreon-plugins/cloud/azure/network/frontdoor/plugin.pm b/centreon-plugins/cloud/azure/network/frontdoor/plugin.pm
new file mode 100644
index 000000000..b7ac6a287
--- /dev/null
+++ b/centreon-plugins/cloud/azure/network/frontdoor/plugin.pm
@@ -0,0 +1,65 @@
+#
+# Copyright 2021 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 cloud::azure::network::frontdoor::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} = {
+        'backendhealth' => 'cloud::azure::network::frontdoor::mode::backendhealth',
+        'discovery'     => 'cloud::azure::network::frontdoor::mode::discovery',
+        'health'        => 'cloud::azure::network::frontdoor::mode::health',
+        'latency'       => 'cloud::azure::network::frontdoor::mode::latency',
+        'requests'      => 'cloud::azure::network::frontdoor::mode::requests',
+        'size'          => 'cloud::azure::network::frontdoor::mode::size'
+    };
+
+    $self->{custom_modes}->{azcli} = 'cloud::azure::custom::azcli';
+    $self->{custom_modes}->{api} = 'cloud::azure::custom::api';
+    return $self;
+}
+
+sub init {
+    my ($self, %options) = @_;
+
+    $self->{options}->add_options(arguments => {
+        'api-version:s'  => { name => 'api_version', default => '2018-01-01' }
+    });
+
+    $self->SUPER::init(%options);
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Microsoft Azure FrontDoor service.
+
+=cut