diff --git a/app/controllers/katello/api/v2/capsule_content_controller.rb b/app/controllers/katello/api/v2/capsule_content_controller.rb
index 3eae4ae9ef0..106d4c272b7 100644
--- a/app/controllers/katello/api/v2/capsule_content_controller.rb
+++ b/app/controllers/katello/api/v2/capsule_content_controller.rb
@@ -112,6 +112,30 @@ def reclaim_space
       respond_for_async :resource => task
     end
 
+    api :POST, '/capsules/:id/content/verify_checksum', N_('Check for missing or corrupted artifacts, and attempt to redownload them.')
+    param :id, :number, :required => true, :desc => N_('Id of the smart proxy')
+    param :environment_id, Integer, :desc => N_('Id of the environment to limit verifying checksum on')
+    param :content_view_id, Integer, :desc => N_('Id of the content view to limit verifying checksum on')
+    param :repository_id, Integer, :desc => N_('Id of the repository to limit verifying checksum on')
+    def verify_checksum
+      find_capsule(false)
+      find_environment if params[:environment_id]
+      find_content_view if params[:content_view_id]
+      find_repository if params[:repository_id]
+
+      repair_options = {
+        :environment_id => @environment.try(:id),
+        :content_view_id => @content_view.try(:id),
+        :repository_id => @repository.try(:id)
+      }
+      repair_options[:environment_ids] = @capsule.lifecycle_environments&.pluck(:id) unless (@environment || @content_view || @repository)
+
+      task = async_task(::Actions::Katello::CapsuleContent::VerifyChecksum,
+                        @capsule,
+                        repair_options)
+      respond_for_async :resource => task
+    end
+
     protected
 
     def respond_for_lifecycle_environments_index(environments)
diff --git a/app/lib/actions/katello/capsule_content/verify_checksum.rb b/app/lib/actions/katello/capsule_content/verify_checksum.rb
new file mode 100644
index 00000000000..9f430a19ec4
--- /dev/null
+++ b/app/lib/actions/katello/capsule_content/verify_checksum.rb
@@ -0,0 +1,75 @@
+module Actions
+  module Katello
+    module CapsuleContent
+      class VerifyChecksum < ::Actions::EntryAction
+        def humanized_name
+          _("Verify checksum for content on smart proxy")
+        end
+
+        def plan(smart_proxy, options = {})
+          input[:options] = options
+          action_subject(smart_proxy)
+          fail _("Action not allowed for the default smart proxy.") if smart_proxy.pulp_primary?
+          subjects = subjects(options)
+          repair_options = options.merge(subjects)
+          environment = repair_options[:environment]
+          content_view = repair_options[:content_view]
+          check_cv_capsule_environments!(smart_proxy, content_view, environment)
+          repository = repair_options[:repository]
+          repos = repos_to_repair(smart_proxy, environment, content_view, repository)
+          repos.in_groups_of(Setting[:foreman_proxy_content_batch_size], false) do |repo_batch|
+            concurrence do
+              repo_batch.each do |repo|
+                if smart_proxy.pulp3_support?(repo)
+                  plan_action(Actions::Pulp3::CapsuleContent::VerifyChecksum,
+                              repo,
+                              smart_proxy)
+                end
+              end
+            end
+          end
+        end
+
+        def repos_to_repair(smart_proxy, environment, content_view, repository)
+          smart_proxy_helper = ::Katello::SmartProxyHelper.new(smart_proxy)
+          smart_proxy_helper.lifecycle_environment_check(environment, repository)
+          if repository
+            [repository]
+          else
+            repositories = smart_proxy_helper.repositories_available_to_capsule(environment, content_view).by_rpm_count
+            repositories
+          end
+        end
+
+        def check_cv_capsule_environments!(smart_proxy, content_view, environment)
+          cv_environments = content_view&.versions&.collect(&:environments)&.flatten
+          if cv_environments.present?
+            if environment.present? && !(cv_environments.pluck(:id).include? environment.id)
+              fail _("Content view '%{content_view}' is not attached to the environment.") % {content_view: content_view.name}
+            end
+            if (smart_proxy.lifecycle_environments.pluck(:id) & cv_environments.pluck(:id)).empty?
+              fail _("Content view '%{content_view}' is not attached to this capsule.") % {content_view: content_view.name}
+            end
+          end
+        end
+
+        def subjects(options = {})
+          environment_id = options.fetch(:environment_id, nil)
+          environment = ::Katello::KTEnvironment.find(environment_id) if environment_id
+
+          repository_id = options.fetch(:repository_id, nil)
+          repository = ::Katello::Repository.find(repository_id) if repository_id
+
+          content_view_id = options.fetch(:content_view_id, nil)
+          content_view = ::Katello::ContentView.find(content_view_id) if content_view_id
+
+          {content_view: content_view, environment: environment, repository: repository}
+        end
+
+        def rescue_strategy
+          Dynflow::Action::Rescue::Skip
+        end
+      end
+    end
+  end
+end
diff --git a/app/lib/actions/pulp3/capsule_content/verify_checksum.rb b/app/lib/actions/pulp3/capsule_content/verify_checksum.rb
new file mode 100644
index 00000000000..a24fbf9ff91
--- /dev/null
+++ b/app/lib/actions/pulp3/capsule_content/verify_checksum.rb
@@ -0,0 +1,27 @@
+module Actions
+  module Pulp3
+    module CapsuleContent
+      class VerifyChecksum < Pulp3::AbstractAsyncTask
+        def plan(repository, smart_proxy)
+          plan_self(:repository_id => repository.id, :smart_proxy_id => smart_proxy.id)
+        end
+
+        def invoke_external_task
+          repo = ::Katello::Repository.find(input[:repository_id])
+          output[:pulp_tasks] = repo.backend_service(smart_proxy).with_mirror_adapter.repair
+        end
+
+        def repos_to_repair(smart_proxy, environment, content_view, repository)
+          smart_proxy_helper = ::Katello::SmartProxyHelper.new(smart_proxy)
+          smart_proxy_helper.lifecycle_environment_check(environment, repository)
+          if repository
+            [repository]
+          else
+            repositories = smart_proxy_helper.repositories_available_to_capsule(environment, content_view).by_rpm_count
+            repositories
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/katello/pulp3/api/core.rb b/app/services/katello/pulp3/api/core.rb
index 9153fb7c96a..6a9100c11b6 100644
--- a/app/services/katello/pulp3/api/core.rb
+++ b/app/services/katello/pulp3/api/core.rb
@@ -136,6 +136,10 @@ def api_client_class(client)
           client
         end
 
+        def repair_api
+          PulpcoreClient::RepairApi.new(core_api_client)
+        end
+
         def uploads_api
           PulpcoreClient::UploadsApi.new(core_api_client)
         end
@@ -230,6 +234,10 @@ def remotes_list_all(_smart_proxy, options = {})
           end
         end
 
+        def repair
+          repair_api.post(PulpcoreClient::Repair.new(verify_checksums: true))
+        end
+
         def self.fetch_from_list
           page_size = Setting[:bulk_load_size]
           page_opts = { "offset" => 0, limit: page_size }
diff --git a/app/services/katello/pulp3/repository_mirror.rb b/app/services/katello/pulp3/repository_mirror.rb
index 5f01be34994..d2e3ce353aa 100644
--- a/app/services/katello/pulp3/repository_mirror.rb
+++ b/app/services/katello/pulp3/repository_mirror.rb
@@ -240,6 +240,12 @@ def create_distribution(path)
         distribution_data = api.distribution_class.new(distribution_options(path))
         repo_service.distributions_api.create(distribution_data)
       end
+
+      def repair
+        data = api.repair_class.new
+        fail "Could not lookup a version_href for repo #{repo_service.repo.id}" if version_href.nil?
+        api.repository_versions_api.repair(version_href, data)
+      end
     end
   end
 end
diff --git a/config/routes/api/v2.rb b/config/routes/api/v2.rb
index 187faa1122e..fd5b797cfe2 100644
--- a/config/routes/api/v2.rb
+++ b/config/routes/api/v2.rb
@@ -29,6 +29,7 @@ class ActionDispatch::Routing::Mapper
               get :sync, :action => :sync_status
               delete :sync, :action => :cancel_sync
               post :reclaim_space
+              post :verify_checksum
               post '/lifecycle_environments' => 'capsule_content#add_lifecycle_environment'
               delete '/lifecycle_environments/:environment_id' => 'capsule_content#remove_lifecycle_environment'
             end
diff --git a/lib/katello/permission_creator.rb b/lib/katello/permission_creator.rb
index ff2f58fd378..c6e670024b9 100644
--- a/lib/katello/permission_creator.rb
+++ b/lib/katello/permission_creator.rb
@@ -54,7 +54,7 @@ def capsule_content_permissions
       @plugin.permission :manage_capsule_content,
                          {
                            'katello/api/v2/capsule_content' => [:add_lifecycle_environment, :remove_lifecycle_environment,
-                                                                :update_counts, :sync, :reclaim_space, :cancel_sync],
+                                                                :update_counts, :sync, :reclaim_space, :verify_checksum, :cancel_sync],
                            'katello/api/v2/capsules' => [:index, :show]
                          },
                          :resource_type => 'SmartProxy'