diff --git a/app/controllers/api/v1/base_controller.rb b/app/controllers/api/v1/base_controller.rb
index 457a67380..f1fdc5d96 100644
--- a/app/controllers/api/v1/base_controller.rb
+++ b/app/controllers/api/v1/base_controller.rb
@@ -11,15 +11,6 @@ module Api
 
       class FilterParamError < StandardError; end
 
-      class MutuallyExclusiveParamsError < StandardError
-        attr_reader :first_param, :second_param
-
-        def initialize(first_param, second_param)
-          @first_param = first_param
-          @second_param = second_param
-        end
-      end
-
       class PermissionError < StandardError
         attr_reader :klass, :mode
 
@@ -37,14 +28,6 @@ module Api
                      :bad_request)
       end
 
-      rescue_from MutuallyExclusiveParamsError do |e|
-        render_error(I18n.t('api.core.errors.mutually_exclusive_params_error.title'),
-                     I18n.t('api.core.errors.mutually_exclusive_params_error.detail',
-                            first_param: e.first_param,
-                            second_param: e.second_param),
-                     :bad_request)
-      end
-
       rescue_from FilterParamError do |e|
         logger.error e.message
         logger.error e.backtrace.join("\n")
diff --git a/app/controllers/api/v2/inventory_item_child_relationships_controller.rb b/app/controllers/api/v2/inventory_item_child_relationships_controller.rb
new file mode 100644
index 000000000..8d6043753
--- /dev/null
+++ b/app/controllers/api/v2/inventory_item_child_relationships_controller.rb
@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+module Api
+  module V2
+    class InventoryItemChildRelationshipsController < BaseController
+      before_action :load_team, :load_inventory, :load_inventory_item
+      before_action :load_child_connection, only: %w(show destroy)
+      before_action :check_manage_permission, only: %w(create destroy)
+
+      def index
+        child_connections = timestamps_filter(@inventory_item.child_connections).page(params.dig(:page, :number))
+                                                                                .per(params.dig(:page, :size))
+        render jsonapi: child_connections, each_serializer: InventoryItemRelationshipSerializer, include: include_params
+      end
+
+      def show
+        render jsonapi: @child_connection, serializer: InventoryItemRelationshipSerializer, include: include_params
+      end
+
+      def create
+        inventory_item_to_link = RepositoryRow.where(repository: Repository.accessible_by_teams(@team))
+                                              .find(connection_params[:child_id])
+        child_connection = @inventory_item.child_connections.create!(
+          child: inventory_item_to_link,
+          created_by: current_user,
+          last_modified_by: current_user
+        )
+
+        render jsonapi: child_connection, serializer: InventoryItemRelationshipSerializer, status: :created
+      end
+
+      def destroy
+        @child_connection.destroy!
+        render body: nil
+      end
+
+      private
+
+      def load_child_connection
+        @child_connection = @inventory_item.child_connections.find(params.require(:id))
+      end
+
+      def check_manage_permission
+        raise PermissionError.new(Repository, :manage) unless can_connect_repository_rows?(@inventory)
+      end
+
+      def connection_params
+        raise TypeError unless params.require(:data).require(:type) == 'inventory_item_relationships'
+
+        params.require(:data).require(:attributes).permit(:child_id)
+      end
+
+      def permitted_includes
+        %w(child)
+      end
+    end
+  end
+end
diff --git a/app/controllers/api/v2/inventory_item_parent_relationships_controller.rb b/app/controllers/api/v2/inventory_item_parent_relationships_controller.rb
new file mode 100644
index 000000000..dec716a7d
--- /dev/null
+++ b/app/controllers/api/v2/inventory_item_parent_relationships_controller.rb
@@ -0,0 +1,60 @@
+# frozen_string_literal: true
+
+module Api
+  module V2
+    class InventoryItemParentRelationshipsController < BaseController
+      before_action :load_team, :load_inventory, :load_inventory_item
+      before_action :load_parent_connection, only: %w(show destroy)
+      before_action :check_manage_permission, only: %w(create destroy)
+
+      def index
+        parent_connections = timestamps_filter(@inventory_item.parent_connections).page(params.dig(:page, :number))
+                                                                                  .per(params.dig(:page, :size))
+        render jsonapi: parent_connections,
+               each_serializer: InventoryItemRelationshipSerializer,
+               include: include_params
+      end
+
+      def show
+        render jsonapi: @parent_connection, serializer: InventoryItemRelationshipSerializer, include: include_params
+      end
+
+      def create
+        inventory_item_to_link = RepositoryRow.where(repository: Repository.accessible_by_teams(@team))
+                                              .find(connection_params[:parent_id])
+        parent_connection = @inventory_item.parent_connections.create!(
+          parent: inventory_item_to_link,
+          created_by: current_user,
+          last_modified_by: current_user
+        )
+
+        render jsonapi: parent_connection, serializer: InventoryItemRelationshipSerializer, status: :created
+      end
+
+      def destroy
+        @parent_connection.destroy!
+        render body: nil
+      end
+
+      private
+
+      def load_parent_connection
+        @parent_connection = @inventory_item.parent_connections.find(params.require(:id))
+      end
+
+      def check_manage_permission
+        raise PermissionError.new(Repository, :manage) unless can_connect_repository_rows?(@inventory)
+      end
+
+      def connection_params
+        raise TypeError unless params.require(:data).require(:type) == 'inventory_item_relationships'
+
+        params.require(:data).require(:attributes).permit(:parent_id)
+      end
+
+      def permitted_includes
+        %w(parent)
+      end
+    end
+  end
+end
diff --git a/app/controllers/api/v2/inventory_item_relationships_controller.rb b/app/controllers/api/v2/inventory_item_relationships_controller.rb
deleted file mode 100644
index 5bab0b3c8..000000000
--- a/app/controllers/api/v2/inventory_item_relationships_controller.rb
+++ /dev/null
@@ -1,65 +0,0 @@
-# frozen_string_literal: true
-
-module Api
-  module V2
-    class InventoryItemRelationshipsController < BaseController
-      before_action :load_team, :load_inventory, :load_inventory_item
-      before_action :check_manage_permission, only: %w(create destroy)
-      before_action :load_create_params, only: :create
-
-      def create
-        parent = @relation == :parent ? @inventory_item : @inventory_item_to_link
-        child = @relation == :child ? @inventory_item : @inventory_item_to_link
-
-        @connection = RepositoryRowConnection.create!(
-          parent: parent,
-          child: child,
-          created_by: current_user,
-          last_modified_by: current_user
-        )
-
-        render jsonapi: @connection, serializer: InventoryItemRelationshipSerializer, status: :created
-      end
-
-      def destroy
-        @connection = @inventory_item.parent_connections
-                                     .or(@inventory_item.child_connections)
-                                     .find(params.require(:id))
-        @connection.destroy!
-        render body: nil
-      end
-
-      private
-
-      def check_manage_permission
-        raise PermissionError.new(Repository, :manage) unless can_manage_repository?(@inventory)
-      end
-
-      def load_create_params
-        if connection_params[:parent_id].present? && connection_params[:child_id].present?
-          raise MutuallyExclusiveParamsError.new(:parent_id, :child_id)
-        end
-
-        if connection_params[:parent_id].present?
-          @relation = :parent
-          @inventory_item_to_link = RepositoryRow.find(connection_params[:parent_id])
-        elsif connection_params[:child_id].present?
-          @relation = :child
-          @inventory_item_to_link = RepositoryRow.find(connection_params[:child_id])
-        end
-
-        raise ActiveRecord::RecordNotFound unless @inventory_item_to_link
-      end
-
-      def connection_params
-        raise TypeError unless params.require(:data).require(:type) == 'inventory_item_relationships'
-
-        params.require(:data).require(:attributes).permit(%i(parent_id child_id))
-      end
-
-      def permitted_includes
-        %w(parent child)
-      end
-    end
-  end
-end
diff --git a/config/routes/api_v2.rb b/config/routes/api_v2.rb
index f1155d051..8e99ca45b 100644
--- a/config/routes/api_v2.rb
+++ b/config/routes/api_v2.rb
@@ -36,7 +36,12 @@ namespace :v2 do
                 path: 'items',
                 only: [],
                 as: :items do
-        resources :inventory_item_relationships, only: %i(create destroy)
+        resources :child_relationships,
+                  only: %i(index show create destroy),
+                  controller: :inventory_item_child_relationships
+        resources :parent_relationships,
+                  only: %i(index show create destroy),
+                  controller: :inventory_item_parent_relationships
       end
     end
   end
diff --git a/spec/requests/api/v2/inventory_item_relationships_controller_spec.rb b/spec/requests/api/v2/inventory_item_child_relationships_controller_spec.rb
similarity index 63%
rename from spec/requests/api/v2/inventory_item_relationships_controller_spec.rb
rename to spec/requests/api/v2/inventory_item_child_relationships_controller_spec.rb
index dacd87a98..249ce14fc 100644
--- a/spec/requests/api/v2/inventory_item_relationships_controller_spec.rb
+++ b/spec/requests/api/v2/inventory_item_child_relationships_controller_spec.rb
@@ -1,6 +1,6 @@
 require 'rails_helper'
 
-RSpec.describe 'Api::V2::InventoryItemRelationshipsController', type: :request do
+RSpec.describe 'Api::V2::InventoryItemChildRelationshipsController', type: :request do
   before :all do
     @user = create(:user)
     @normal_user = create(:user, full_name: 'Normal User')
@@ -8,6 +8,8 @@ RSpec.describe 'Api::V2::InventoryItemRelationshipsController', type: :request d
     @inventory = create(:repository, team: @team, created_by: @user)
     @other_inventory = create(:repository, team: @team, created_by: @user)
     @inventory_item = create(:repository_row, repository: @inventory, created_by: @user)
+    @child_inventory_item = create(:repository_row, repository: @other_inventory, created_by: @user)
+    @child_connection = create(:repository_row_connection, parent: @inventory_item, child: @child_inventory_item, created_by: @user)
     @other_inventory_item = create(:repository_row, repository: @other_inventory, created_by: @user)
 
     @valid_headers = {
@@ -16,9 +18,56 @@ RSpec.describe 'Api::V2::InventoryItemRelationshipsController', type: :request d
                       }
   end
 
+  describe 'GET #index' do
+    it 'Response with correct inventory child relationship items' do
+      hash_body = nil
+      get api_v2_team_inventory_item_child_relationships_path(
+        team_id: @team.id,
+        inventory_id: @inventory.id,
+        item_id: @inventory_item.id,
+        include: :child
+      ), headers: @valid_headers
+      expect { hash_body = json }.not_to raise_exception
+      expect(hash_body[:data]).to match_array(
+        JSON.parse(
+          ActiveModelSerializers::SerializableResource
+            .new(@inventory_item.child_connections.order(:id),
+                 each_serializer: Api::V2::InventoryItemRelationshipSerializer,
+                 include: :child)
+            .to_json
+        )['data']
+      )
+      expect(hash_body).to include('included')
+    end
+  end
+
+  describe 'GET #show' do
+    it 'Response with correct inventory child relationship item' do
+      hash_body = nil
+      get api_v2_team_inventory_item_child_relationship_path(
+        team_id: @team.id,
+        inventory_id: @inventory.id,
+        item_id: @inventory_item.id,
+        id: @child_connection.id,
+        include: :child
+      ), headers: @valid_headers
+      expect { hash_body = json }.not_to raise_exception
+      expect(hash_body[:data]).to match_array(
+        JSON.parse(
+          ActiveModelSerializers::SerializableResource
+            .new(@child_connection,
+                 serializer: Api::V2::InventoryItemRelationshipSerializer,
+                 include: :child)
+            .to_json
+        )['data']
+      )
+      expect(hash_body).to include('included')
+    end
+  end
+
   describe 'POST #create' do
     let(:create_action) do
-      post api_v2_team_inventory_item_inventory_item_relationships_path(
+      post api_v2_team_inventory_item_child_relationships_path(
         team_id: @team.id,
         inventory_id: @inventory.id,
         item_id: @inventory_item.id
@@ -26,31 +75,13 @@ RSpec.describe 'Api::V2::InventoryItemRelationshipsController', type: :request d
     end
 
     context 'with valid parameters' do
-      context 'using parent_id' do
-        let(:request_body) do
-          {
-            data: {
-              type: 'inventory_item_relationships',
-              attributes: {
-                parent_id: @other_inventory_item.id
-              }
-            }
-          }
-        end
-  
-        it 'creates a new relationship' do
-          expect { create_action }.to change { RepositoryRowConnection.count }.by(1)
-          expect(response).to have_http_status(201)
-        end
-      end
-
       context 'using child_id' do
         let(:request_body) do
           {
             data: {
               type: 'inventory_item_relationships',
               attributes: {
-                parent_id: @other_inventory_item.id
+                child_id: @other_inventory_item.id
               }
             }
           }
@@ -63,26 +94,7 @@ RSpec.describe 'Api::V2::InventoryItemRelationshipsController', type: :request d
       end
     end
 
-    context 'with non valid parameters' do
-      context 'with mutually exclusive parameters' do
-        let(:request_body) do
-          {
-            data: {
-              type: 'inventory_item_relationships',
-              attributes: {
-                parent_id: @inventory_item.id,
-                child_id: @other_inventory_item.id
-              }
-            }
-          }
-        end
-  
-        it 'raises a mutually exclusive parameters error' do
-          create_action
-          expect(response).to have_http_status(400)
-        end
-      end
-  
+    context 'with non valid parameters' do 
       context 'with missing type' do
         let(:request_body) { { data: { type: '', attributes: { parent_id: @other_inventory_item.id } } } }
   
@@ -92,13 +104,13 @@ RSpec.describe 'Api::V2::InventoryItemRelationshipsController', type: :request d
         end
       end
   
-      context 'with missing item with parent_id or child_id' do
+      context 'with child_id for missing item' do
         let(:request_body) do
           {
             data: {
               type: 'inventory_item_relationships',
               attributes: {
-                parent_id: -1
+                child_id: -1
               }
             }
           }
@@ -112,7 +124,7 @@ RSpec.describe 'Api::V2::InventoryItemRelationshipsController', type: :request d
 
       context 'without manage permission' do
         let(:another_create_action) do
-          post api_v2_team_inventory_item_inventory_item_relationships_path(
+          post api_v2_team_inventory_item_child_relationships_path(
             team_id: @team.id,
             inventory_id: @inventory.id,
             item_id: @inventory_item.id
@@ -121,7 +133,7 @@ RSpec.describe 'Api::V2::InventoryItemRelationshipsController', type: :request d
             data: {
               type: 'inventory_item_relationships',
               attributes: {
-                parent_id: @other_inventory_item.id
+                child_id: @other_inventory_item.id
               }
             }
           }.to_json,
@@ -143,7 +155,7 @@ RSpec.describe 'Api::V2::InventoryItemRelationshipsController', type: :request d
     let(:relationship) { create(:repository_row_connection, parent: @inventory_item, child: @other_inventory_item, created_by: @user) }
 
     let(:destroy_action) do
-      delete api_v2_team_inventory_item_inventory_item_relationship_path(
+      delete api_v2_team_inventory_item_child_relationship_path(
         team_id: @team.id,
         inventory_id: @inventory.id,
         item_id: @inventory_item.id,
@@ -161,7 +173,7 @@ RSpec.describe 'Api::V2::InventoryItemRelationshipsController', type: :request d
 
     context 'without manage permission' do
       let(:another_destroy_action) do
-        delete api_v2_team_inventory_item_inventory_item_relationship_path(
+        delete api_v2_team_inventory_item_child_relationship_path(
           team_id: @team.id,
           inventory_id: @inventory.id,
           item_id: @inventory_item.id,
@@ -182,7 +194,7 @@ RSpec.describe 'Api::V2::InventoryItemRelationshipsController', type: :request d
 
     context 'with invalid ID' do
       it 'returns 404 not found' do
-        delete api_v2_team_inventory_item_inventory_item_relationship_path(
+        delete api_v2_team_inventory_item_child_relationship_path(
           team_id: @team.id,
           inventory_id: @inventory.id,
           item_id: @inventory_item.id,
diff --git a/spec/requests/api/v2/inventory_item_parent_relationships_controller_spec.rb b/spec/requests/api/v2/inventory_item_parent_relationships_controller_spec.rb
new file mode 100644
index 000000000..4eeba7046
--- /dev/null
+++ b/spec/requests/api/v2/inventory_item_parent_relationships_controller_spec.rb
@@ -0,0 +1,208 @@
+require 'rails_helper'
+
+RSpec.describe 'Api::V2::InventoryItemParentRelationshipsController', type: :request do
+  before :all do
+    @user = create(:user)
+    @normal_user = create(:user, full_name: 'Normal User')
+    @team = create(:team, created_by: @user)
+    @inventory = create(:repository, team: @team, created_by: @user)
+    @other_inventory = create(:repository, team: @team, created_by: @user)
+    @inventory_item = create(:repository_row, repository: @inventory, created_by: @user)
+    @parent_inventory_item = create(:repository_row, repository: @other_inventory, created_by: @user)
+    @parent_connection = create(:repository_row_connection, child: @inventory_item, parent: @parent_inventory_item, created_by: @user)
+    @other_inventory_item = create(:repository_row, repository: @other_inventory, created_by: @user)
+
+    @valid_headers = {
+                        'Authorization': 'Bearer ' + generate_token(@user.id),
+                        'Content-Type': 'application/json'
+                      }
+  end
+
+  describe 'GET #index' do
+    it 'Response with correct inventory parent relationship items' do
+      hash_body = nil
+      get api_v2_team_inventory_item_parent_relationships_path(
+        team_id: @team.id,
+        inventory_id: @inventory.id,
+        item_id: @inventory_item.id,
+        include: :parent
+      ), headers: @valid_headers
+      expect { hash_body = json }.not_to raise_exception
+      expect(hash_body[:data]).to match_array(
+        JSON.parse(
+          ActiveModelSerializers::SerializableResource
+            .new(@inventory_item.parent_connections.order(:id),
+                 each_serializer: Api::V2::InventoryItemRelationshipSerializer,
+                 include: :parent)
+            .to_json
+        )['data']
+      )
+      expect(hash_body).to include('included')
+    end
+  end
+
+  describe 'GET #show' do
+    it 'Response with correct inventory parent relationship item' do
+      hash_body = nil
+      get api_v2_team_inventory_item_parent_relationship_path(
+        team_id: @team.id,
+        inventory_id: @inventory.id,
+        item_id: @inventory_item.id,
+        id: @parent_connection.id,
+        include: :parent
+      ), headers: @valid_headers
+      expect { hash_body = json }.not_to raise_exception
+      expect(hash_body[:data]).to match_array(
+        JSON.parse(
+          ActiveModelSerializers::SerializableResource
+            .new(@parent_connection,
+                 serializer: Api::V2::InventoryItemRelationshipSerializer,
+                 include: :parent)
+            .to_json
+        )['data']
+      )
+      expect(hash_body).to include('included')
+    end
+  end
+
+  describe 'POST #create' do
+    let(:create_action) do
+      post api_v2_team_inventory_item_parent_relationships_path(
+        team_id: @team.id,
+        inventory_id: @inventory.id,
+        item_id: @inventory_item.id
+      ), params: request_body.to_json, headers: @valid_headers
+    end
+
+    context 'with valid parameters' do
+      context 'using parent_id' do
+        let(:request_body) do
+          {
+            data: {
+              type: 'inventory_item_relationships',
+              attributes: {
+                parent_id: @other_inventory_item.id
+              }
+            }
+          }
+        end
+  
+        it 'creates a new relationship' do
+          expect { create_action }.to change { RepositoryRowConnection.count }.by(1)
+          expect(response).to have_http_status(201)
+        end
+      end
+    end
+
+    context 'with non valid parameters' do 
+      context 'with missing type' do
+        let(:request_body) { { data: { type: '', attributes: { parent_id: @other_inventory_item.id } } } }
+  
+        it 'renders 400 bad request' do
+          create_action
+          expect(response).to have_http_status(400)
+        end
+      end
+  
+      context 'with parent_id for missing item' do
+        let(:request_body) do
+          {
+            data: {
+              type: 'inventory_item_relationships',
+              attributes: {
+                parent_id: -1
+              }
+            }
+          }
+        end
+  
+        it 'renders 404 not found' do
+          create_action
+          expect(response).to have_http_status(404)
+        end
+      end
+
+      context 'without manage permission' do
+        let(:another_create_action) do
+          post api_v2_team_inventory_item_parent_relationships_path(
+            team_id: @team.id,
+            inventory_id: @inventory.id,
+            item_id: @inventory_item.id
+          ),
+          params: {
+            data: {
+              type: 'inventory_item_relationships',
+              attributes: {
+                parent_id: @other_inventory_item.id
+              }
+            }
+          }.to_json,
+          headers: {
+            'Authorization': 'Bearer ' + generate_token(@normal_user.id),
+            'Content-Type': 'application/json'
+          }
+        end
+
+        it 'renders 403 forbidden' do
+          another_create_action
+          expect(response).to have_http_status(403)
+        end
+      end
+    end
+  end
+
+  describe 'DELETE #destroy' do
+    let(:relationship) { create(:repository_row_connection, child: @inventory_item, parent: @other_inventory_item, created_by: @user) }
+
+    let(:destroy_action) do
+      delete api_v2_team_inventory_item_parent_relationship_path(
+        team_id: @team.id,
+        inventory_id: @inventory.id,
+        item_id: @inventory_item.id,
+        id: relationship.id
+      ), headers: @valid_headers
+    end
+
+    context 'with valid ID' do
+      it 'deletes the relationship' do
+        destroy_action
+        expect(response).to have_http_status(200)
+        expect(RepositoryRowConnection.where(id: relationship.id)).to_not exist
+      end
+    end
+
+    context 'without manage permission' do
+      let(:another_destroy_action) do
+        delete api_v2_team_inventory_item_parent_relationship_path(
+          team_id: @team.id,
+          inventory_id: @inventory.id,
+          item_id: @inventory_item.id,
+          id: relationship.id
+        ),
+        headers: {
+          'Authorization': 'Bearer ' + generate_token(@normal_user.id),
+          'Content-Type': 'application/json'
+        }
+      end
+
+      it 'renders 403 forbidden' do
+        another_destroy_action
+        expect(response).to have_http_status(403)
+        expect(RepositoryRowConnection.where(id: relationship.id)).to exist
+      end
+    end
+
+    context 'with invalid ID' do
+      it 'returns 404 not found' do
+        delete api_v2_team_inventory_item_parent_relationship_path(
+          team_id: @team.id,
+          inventory_id: @inventory.id,
+          item_id: @inventory_item.id,
+          id: -1
+        ), headers: @valid_headers
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
+end