diff --git a/app/controllers/api/v1/base_controller.rb b/app/controllers/api/v1/base_controller.rb
index 4c43813e9..96744578e 100644
--- a/app/controllers/api/v1/base_controller.rb
+++ b/app/controllers/api/v1/base_controller.rb
@@ -5,12 +5,12 @@ module Api
     class BaseController < ApiController
       rescue_from ActionController::ParameterMissing do |e|
         logger.error e.message
-        render json: {}, status: :bad_request
+        render jsonapi: {}, status: :bad_request
       end
 
       rescue_from ActiveRecord::RecordNotFound do |e|
         logger.error e.message
-        render json: {}, status: :not_found
+        render jsonapi: {}, status: :not_found
       end
     end
   end
diff --git a/app/controllers/api/v1/inventories_controller.rb b/app/controllers/api/v1/inventories_controller.rb
index 136801caa..e8c8ad6b4 100644
--- a/app/controllers/api/v1/inventories_controller.rb
+++ b/app/controllers/api/v1/inventories_controller.rb
@@ -9,18 +9,18 @@ module Api
       def index
         inventories =
           @team.repositories.page(params[:page]).per(params[:page_size])
-        render json: inventories, each_serializer: InventorySerializer
+        render jsonapi: inventories, each_serializer: InventorySerializer
       end
 
       def show
-        render json: @inventory, serializer: InventorySerializer
+        render jsonapi: @inventory, serializer: InventorySerializer
       end
 
       private
 
       def load_team
         @team = Team.find(params.require(:team_id))
-        return render json: {}, status: :forbidden unless can_read_team?(@team)
+        return render jsonapi: {}, status: :forbidden unless can_read_team?(@team)
       end
 
       def load_inventory
diff --git a/app/controllers/api/v1/inventory_items_controller.rb b/app/controllers/api/v1/inventory_items_controller.rb
index 6edf63454..0971c1d78 100644
--- a/app/controllers/api/v1/inventory_items_controller.rb
+++ b/app/controllers/api/v1/inventory_items_controller.rb
@@ -15,7 +15,7 @@ module Api
                       repository_cells: Extends::REPOSITORY_SEARCH_INCLUDES
                     ).page(params.dig(:page, :number))
                     .per(params.dig(:page, :size))
-        render json: items,
+        render jsonapi: items,
                each_serializer: InventoryItemSerializer,
                include: :inventory_cells
       end
@@ -43,7 +43,7 @@ module Api
         else
           item = @inventory.repository_rows.create!(attributes)
         end
-        render json: item,
+        render jsonapi: item,
                serializer: InventoryItemSerializer,
                include: :inventory_cells,
                status: :created
@@ -53,7 +53,7 @@ module Api
 
       def load_team
         @team = Team.find(params.require(:team_id))
-        return render json: {}, status: :forbidden unless can_read_team?(@team)
+        return render jsonapi: {}, status: :forbidden unless can_read_team?(@team)
       end
 
       def load_inventory
diff --git a/app/controllers/api/v1/teams_controller.rb b/app/controllers/api/v1/teams_controller.rb
index fdf00d14e..2c8630098 100644
--- a/app/controllers/api/v1/teams_controller.rb
+++ b/app/controllers/api/v1/teams_controller.rb
@@ -5,18 +5,18 @@ module Api
 
       def index
         teams = current_user.teams.page(params[:page]).per(params[:page_size])
-        render json: teams, each_serializer: TeamSerializer
+        render jsonapi: teams, each_serializer: TeamSerializer
       end
 
       def show
-        render json: @team, serializer: TeamSerializer
+        render jsonapi: @team, serializer: TeamSerializer
       end
 
       private
 
       def load_team
         @team = Team.find(params.require(:id))
-        return render json: {}, status: :forbidden unless can_read_team?(@team)
+        return render jsonapi: {}, status: :forbidden unless can_read_team?(@team)
       end
     end
   end
diff --git a/config/initializers/active_model_serializer.rb b/config/initializers/active_model_serializer.rb
index 692906d54..0258f46a7 100644
--- a/config/initializers/active_model_serializer.rb
+++ b/config/initializers/active_model_serializer.rb
@@ -1,4 +1,6 @@
 # frozen_string_literal: true
 
+require 'active_model_serializers/register_jsonapi_renderer'
+
 ActiveModelSerializers.config.adapter = :json_api
 ActiveModelSerializers.config.key_transform = :unaltered
diff --git a/config/initializers/mime_types.rb b/config/initializers/mime_types.rb
index 72b582a0a..dc1899682 100644
--- a/config/initializers/mime_types.rb
+++ b/config/initializers/mime_types.rb
@@ -2,4 +2,3 @@
 
 # Add new mime types for use in respond_to blocks:
 # Mime::Type.register "text/richtext", :rtf
-Mime::Type.register 'application/vnd.api+json', :json
diff --git a/config/routes.rb b/config/routes.rb
index 750fe3950..5c3819723 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -545,7 +545,10 @@ Rails.application.routes.draw do
           resources :teams, only: %i(index show) do
             resources :inventories, only: %i(index show) do
               get 'columns', to: 'inventory_columns#index'
-              resources :inventory_items, only: %i(index create), path: 'items'
+              resources :inventory_items,
+                        only: %i(index create),
+                        path: 'items',
+                        as: :items
             end
           end
           resources :users, only: %i(show) do
diff --git a/spec/requests/api/v1/inventory_items_controller_spec.rb b/spec/requests/api/v1/inventory_items_controller_spec.rb
index 80e28fc80..5da4f1cae 100644
--- a/spec/requests/api/v1/inventory_items_controller_spec.rb
+++ b/spec/requests/api/v1/inventory_items_controller_spec.rb
@@ -75,7 +75,7 @@ RSpec.describe 'Api::V1::InventoryItemsController', type: :request do
       get api_v1_team_inventory_items_path(
         team_id: @teams.first.id,
         inventory_id: @teams.first.repositories.first.id
-      ), params: { page_size: 100 }, headers: @valid_headers
+      ), params: { page: { size: 100 } }, headers: @valid_headers
       expect { hash_body = json }.not_to raise_exception
       expect(hash_body[:data]).to match(
         ActiveModelSerializers::SerializableResource