diff --git a/app/controllers/api/v1/activities_controller.rb b/app/controllers/api/v1/activities_controller.rb
deleted file mode 100644
index 125c44c86..000000000
--- a/app/controllers/api/v1/activities_controller.rb
+++ /dev/null
@@ -1,59 +0,0 @@
-# frozen_string_literal: true
-
-module Api
-  module V1
-    class ActivitiesController < BaseController
-      before_action :load_team
-      before_action :load_project
-      before_action :load_experiment
-      before_action :load_task
-      before_action :load_activity, only: :show
-
-      def index
-        activities = @my_module.activities
-                               .page(params.dig(:page, :number))
-                               .per(params.dig(:page, :size))
-
-        render jsonapi: activities,
-          each_serializer: ActivitySerializer
-      end
-
-      def show
-        render jsonapi: @activity, serializer: ActivitySerializer
-      end
-
-      private
-
-      def load_team
-        @team = Team.find(params.require(:team_id))
-        render jsonapi: {}, status: :forbidden unless can_read_team?(@team)
-      end
-
-      def load_project
-        @project = @team.projects.find(params.require(:project_id))
-        render jsonapi: {}, status: :forbidden unless can_read_project?(
-          @project
-        )
-      end
-
-      def load_experiment
-        @experiment = @project.experiments.find(params.require(:experiment_id))
-        render jsonapi: {}, status: :forbidden unless can_read_experiment?(
-          @experiment
-        )
-      end
-
-      def load_task
-        @my_module = @experiment.my_modules.find(params.require(:task_id))
-        render jsonapi: {}, status: :not_found if @my_module.nil?
-      end
-
-      def load_activity
-        @activity = @my_module.activities.find(
-          params.require(:id)
-        )
-        render jsonapi: {}, status: :not_found if @activity.nil?
-      end
-    end
-  end
-end
diff --git a/app/controllers/api/v1/tasks_controller.rb b/app/controllers/api/v1/tasks_controller.rb
index 562af7919..9ab8ed1ea 100644
--- a/app/controllers/api/v1/tasks_controller.rb
+++ b/app/controllers/api/v1/tasks_controller.rb
@@ -7,7 +7,7 @@ module Api
       before_action :load_project
       before_action :load_experiment
       before_action :load_task, only: :show
-      before_action :load_task_relative, only: %i(inputs outputs)
+      before_action :load_task_relative, only: %i(inputs outputs activities)
 
       def index
         tasks = @experiment.my_modules
@@ -35,6 +35,15 @@ module Api
         render jsonapi: outputs, each_serializer: TaskSerializer
       end
 
+      def activities
+        activities = @task.activities
+                          .page(params.dig(:page, :number))
+                          .per(params.dig(:page, :size))
+
+        render jsonapi: activities,
+          each_serializer: ActivitySerializer
+      end
+
       private
 
       def load_team
diff --git a/app/serializers/api/v1/activity_serializer.rb b/app/serializers/api/v1/activity_serializer.rb
index 28910b7f5..251bc3711 100644
--- a/app/serializers/api/v1/activity_serializer.rb
+++ b/app/serializers/api/v1/activity_serializer.rb
@@ -4,9 +4,15 @@ module Api
   module V1
     class ActivitySerializer < ActiveModel::Serializer
       type :activities
-      attributes :id, :my_module_id, :user_id, :type_of, :message,
-                 :project_id, :experiment_id
-      belongs_to :my_module, serializer: TaskSerializer
+      attributes :id, :type_of, :message
+      belongs_to :project, serializer: ProjectSerializer
+      belongs_to :experiment, serializer: TaskSerializer,
+                              if: -> { object.experiment.present? }
+      belongs_to :my_module, key: :task,
+                             serializer: TaskSerializer,
+                             class_name: 'MyModule',
+                             if: -> { object.my_module.present? }
+      belongs_to :user, serializer: UserSerializer
     end
   end
 end
diff --git a/app/serializers/api/v1/project_serializer.rb b/app/serializers/api/v1/project_serializer.rb
new file mode 100644
index 000000000..db413ece6
--- /dev/null
+++ b/app/serializers/api/v1/project_serializer.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+module Api
+  module V1
+    class ProjectSerializer < ActiveModel::Serializer
+      type :projects
+      attributes :id
+    end
+  end
+end
diff --git a/config/routes.rb b/config/routes.rb
index 067ac2663..f4440c769 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -581,9 +581,7 @@ Rails.application.routes.draw do
                             as: :results
                   get 'inputs', to: 'tasks#inputs'
                   get 'outputs', to: 'tasks#outputs'
-                  resources :activities, only: %i(index show),
-                            path: 'activities',
-                            as: :activities
+                  get 'activities', to: 'tasks#activities'
                 end
               end
             end