diff --git a/modules/meeting/lib/api/v3/meeting_agenda_items/agenda_items_by_meeting_api.rb b/modules/meeting/lib/api/v3/meeting_agenda_items/agenda_items_by_meeting_api.rb
index c9b1f484bc5..5fc7f2dcb1a 100644
--- a/modules/meeting/lib/api/v3/meeting_agenda_items/agenda_items_by_meeting_api.rb
+++ b/modules/meeting/lib/api/v3/meeting_agenda_items/agenda_items_by_meeting_api.rb
@@ -36,17 +36,10 @@ module API
           get do
             items = @meeting.agenda_items.includes(:author, :presenter, :work_package, :meeting_section)
             MeetingAgendaItemCollectionRepresenter.new(items,
-                                                       self_link: api_v3_paths.meeting_agenda_items(@meeting.id),
+                                                       self_link: api_v3_paths.meeting_agenda_items(meeting_id: @meeting.id),
                                                        current_user:)
           end
 
-          post(&::API::V3::Utilities::Endpoints::Create
-                 .new(model: MeetingAgendaItem,
-                      params_modifier: ->(params) {
-                        params.except(:meeting, :meeting_id).merge(meeting: @meeting)
-                      })
-                 .mount)
-
           route_param :agenda_item_id, type: Integer, desc: "Agenda item ID" do
             after_validation do
               @meeting_agenda_item = @meeting.agenda_items.find(declared_params[:agenda_item_id])
@@ -54,10 +47,6 @@ module API
 
             get &::API::V3::Utilities::Endpoints::Show.new(model: MeetingAgendaItem).mount
 
-            patch &::API::V3::Utilities::Endpoints::Update.new(model: MeetingAgendaItem).mount
-
-            delete &::API::V3::Utilities::Endpoints::Delete.new(model: MeetingAgendaItem).mount
-
             mount ::API::V3::MeetingOutcomes::OutcomesByAgendaItemAPI
           end
         end
diff --git a/modules/meeting/lib/api/v3/meeting_agenda_items/meeting_agenda_item_representer.rb b/modules/meeting/lib/api/v3/meeting_agenda_items/meeting_agenda_item_representer.rb
index 16d41286ba6..9a23182b7ab 100644
--- a/modules/meeting/lib/api/v3/meeting_agenda_items/meeting_agenda_item_representer.rb
+++ b/modules/meeting/lib/api/v3/meeting_agenda_items/meeting_agenda_item_representer.rb
@@ -42,8 +42,7 @@ module API
           { outcomes: %i[author work_package] }
         ]
 
-        self_link id_attribute: ->(*) { [represented.meeting_id, represented.id] },
-                  title_getter: ->(*) { represented.title }
+        self_link title_getter: ->(*) { represented.title }
 
         property :id
 
@@ -88,7 +87,7 @@ module API
                               next if represented.meeting_section_id.nil?
 
                               {
-                                href: api_v3_paths.meeting_section(represented.meeting_id, represented.meeting_section_id),
+                                href: api_v3_paths.meeting_section(represented.meeting_section_id),
                                 title: represented.meeting_section&.title
                               }
                             }
@@ -102,8 +101,7 @@ module API
                              link: ->(*) {
                                represented.outcomes.map do |outcome|
                                  {
-                                   href: api_v3_paths
-                                     .meeting_agenda_item_outcome(represented.meeting_id, represented.id, outcome.id),
+                                   href: api_v3_paths.meeting_outcome(outcome.id),
                                    title: outcome.id.to_s
                                  }
                                end
diff --git a/modules/meeting/lib/api/v3/meeting_agenda_items/meeting_agenda_items_api.rb b/modules/meeting/lib/api/v3/meeting_agenda_items/meeting_agenda_items_api.rb
new file mode 100644
index 00000000000..a1936b3c0a6
--- /dev/null
+++ b/modules/meeting/lib/api/v3/meeting_agenda_items/meeting_agenda_items_api.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+module API
+  module V3
+    module MeetingAgendaItems
+      class MeetingAgendaItemsAPI < ::API::OpenProjectAPI
+        resources :meeting_agenda_items do
+          post &::API::V3::Utilities::Endpoints::Create.new(model: MeetingAgendaItem).mount
+
+          route_param :id, type: Integer, desc: "Agenda item ID" do
+            after_validation do
+              @meeting_agenda_item = MeetingAgendaItem
+                .joins(meeting: :project)
+                .merge(Meeting.visible)
+                .find(declared_params[:id])
+            end
+
+            get &::API::V3::Utilities::Endpoints::Show.new(model: MeetingAgendaItem).mount
+
+            patch &::API::V3::Utilities::Endpoints::Update.new(model: MeetingAgendaItem).mount
+
+            delete &::API::V3::Utilities::Endpoints::Delete.new(model: MeetingAgendaItem).mount
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/modules/meeting/lib/api/v3/meeting_outcomes/meeting_outcome_representer.rb b/modules/meeting/lib/api/v3/meeting_outcomes/meeting_outcome_representer.rb
index 153353f19fe..dac02c36edb 100644
--- a/modules/meeting/lib/api/v3/meeting_outcomes/meeting_outcome_representer.rb
+++ b/modules/meeting/lib/api/v3/meeting_outcomes/meeting_outcome_representer.rb
@@ -39,10 +39,7 @@ module API
 
         self.to_eager_load = [{ meeting_agenda_item: :meeting }, :author, :work_package]
 
-        self_link path: :meeting_agenda_item_outcome,
-                  id_attribute: ->(*) {
-                    [represented.meeting_agenda_item.meeting_id, represented.meeting_agenda_item_id, represented.id]
-                  },
+        self_link path: :meeting_outcome,
                   title_getter: ->(*) { represented.id.to_s }
 
         property :id
@@ -56,13 +53,16 @@ module API
                             representer: ::API::V3::Users::UserRepresenter,
                             skip_render: ->(*) { represented.author_id.nil? }
 
-        link :agendaItem do
-          {
-            href: api_v3_paths.meeting_agenda_item(represented.meeting_agenda_item.meeting_id,
-                                                   represented.meeting_agenda_item_id),
-            title: represented.meeting_agenda_item.title
-          }
-        end
+        associated_resource :meeting_agenda_item,
+                            as: :agendaItem,
+                            link: ->(*) {
+                              next if represented.meeting_agenda_item_id.nil?
+
+                              {
+                                href: api_v3_paths.meeting_agenda_item(represented.meeting_agenda_item_id),
+                                title: represented.meeting_agenda_item.title
+                              }
+                            }
 
         associated_visible_resource :work_package
 
diff --git a/modules/meeting/lib/api/v3/meeting_outcomes/meeting_outcomes_api.rb b/modules/meeting/lib/api/v3/meeting_outcomes/meeting_outcomes_api.rb
new file mode 100644
index 00000000000..8101c85217f
--- /dev/null
+++ b/modules/meeting/lib/api/v3/meeting_outcomes/meeting_outcomes_api.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+module API
+  module V3
+    module MeetingOutcomes
+      class MeetingOutcomesAPI < ::API::OpenProjectAPI
+        resources :meeting_outcomes do
+          post &::API::V3::Utilities::Endpoints::Create.new(model: MeetingOutcome).mount
+
+          route_param :id, type: Integer, desc: "Outcome ID" do
+            after_validation do
+              @meeting_outcome = MeetingOutcome
+                .joins(meeting_agenda_item: { meeting: :project })
+                .merge(Meeting.visible)
+                .find(declared_params[:id])
+            end
+
+            get &::API::V3::Utilities::Endpoints::Show.new(model: MeetingOutcome).mount
+
+            patch &::API::V3::Utilities::Endpoints::Update.new(model: MeetingOutcome).mount
+
+            delete &::API::V3::Utilities::Endpoints::Delete.new(model: MeetingOutcome).mount
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/modules/meeting/lib/api/v3/meeting_outcomes/outcomes_by_agenda_item_api.rb b/modules/meeting/lib/api/v3/meeting_outcomes/outcomes_by_agenda_item_api.rb
index 9ab379fad82..298e54d3421 100644
--- a/modules/meeting/lib/api/v3/meeting_outcomes/outcomes_by_agenda_item_api.rb
+++ b/modules/meeting/lib/api/v3/meeting_outcomes/outcomes_by_agenda_item_api.rb
@@ -38,29 +38,17 @@ module API
 
             MeetingOutcomeCollectionRepresenter.new(outcomes,
                                                     self_link: api_v3_paths
-                                                      .meeting_agenda_item_outcomes(@meeting.id, @meeting_agenda_item.id),
+                                                      .meeting_agenda_item_outcomes(@meeting_agenda_item.id,
+                                                                                    meeting_id: @meeting.id),
                                                     current_user:)
           end
 
-          post(&::API::V3::Utilities::Endpoints::Create
-                 .new(model: MeetingOutcome,
-                      params_modifier: ->(params) {
-                        params
-                          .except(:meeting_agenda_item, :meeting_agenda_item_id)
-                          .merge(meeting_agenda_item: @meeting_agenda_item)
-                      })
-                 .mount)
-
           route_param :outcome_id, type: Integer, desc: "Outcome ID" do
             after_validation do
               @meeting_outcome = @meeting_agenda_item.outcomes.find(declared_params[:outcome_id])
             end
 
             get &::API::V3::Utilities::Endpoints::Show.new(model: MeetingOutcome).mount
-
-            patch &::API::V3::Utilities::Endpoints::Update.new(model: MeetingOutcome).mount
-
-            delete &::API::V3::Utilities::Endpoints::Delete.new(model: MeetingOutcome).mount
           end
         end
       end
diff --git a/modules/meeting/lib/api/v3/meeting_sections/meeting_section_representer.rb b/modules/meeting/lib/api/v3/meeting_sections/meeting_section_representer.rb
index 79b6c768f62..3ffef01b4fe 100644
--- a/modules/meeting/lib/api/v3/meeting_sections/meeting_section_representer.rb
+++ b/modules/meeting/lib/api/v3/meeting_sections/meeting_section_representer.rb
@@ -38,8 +38,7 @@ module API
 
         self.to_eager_load = [:meeting]
 
-        self_link id_attribute: ->(*) { [represented.meeting_id, represented.id] },
-                  title_getter: ->(*) { represented.title }
+        self_link title_getter: ->(*) { represented.title }
 
         property :id
 
diff --git a/modules/meeting/lib/api/v3/meeting_sections/meeting_sections_api.rb b/modules/meeting/lib/api/v3/meeting_sections/meeting_sections_api.rb
new file mode 100644
index 00000000000..4434c35ea40
--- /dev/null
+++ b/modules/meeting/lib/api/v3/meeting_sections/meeting_sections_api.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+module API
+  module V3
+    module MeetingSections
+      class MeetingSectionsAPI < ::API::OpenProjectAPI
+        resources :meeting_sections do
+          post &::API::V3::Utilities::Endpoints::Create.new(model: MeetingSection).mount
+
+          route_param :id, type: Integer, desc: "Section ID" do
+            after_validation do
+              @meeting_section = MeetingSection
+                .joins(meeting: :project)
+                .merge(Meeting.visible)
+                .find(declared_params[:id])
+            end
+
+            get &::API::V3::Utilities::Endpoints::Show.new(model: MeetingSection).mount
+
+            patch &::API::V3::Utilities::Endpoints::Update.new(model: MeetingSection).mount
+
+            delete &::API::V3::Utilities::Endpoints::Delete.new(model: MeetingSection).mount
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/modules/meeting/lib/api/v3/meeting_sections/sections_by_meeting_api.rb b/modules/meeting/lib/api/v3/meeting_sections/sections_by_meeting_api.rb
index efe1479a4d6..ace20bb5f02 100644
--- a/modules/meeting/lib/api/v3/meeting_sections/sections_by_meeting_api.rb
+++ b/modules/meeting/lib/api/v3/meeting_sections/sections_by_meeting_api.rb
@@ -36,27 +36,16 @@ module API
           get do
             sections = @meeting.sections
             MeetingSectionCollectionRepresenter.new(sections,
-                                                    self_link: api_v3_paths.meeting_sections(@meeting.id),
+                                                    self_link: api_v3_paths.meeting_sections(meeting_id: @meeting.id),
                                                     current_user:)
           end
 
-          post(&::API::V3::Utilities::Endpoints::Create
-                 .new(model: MeetingSection,
-                      params_modifier: ->(params) {
-                        params.except(:meeting, :meeting_id).merge(meeting: @meeting)
-                      })
-                 .mount)
-
           route_param :section_id, type: Integer, desc: "Section ID" do
             after_validation do
               @meeting_section = @meeting.sections.find(declared_params[:section_id])
             end
 
             get &::API::V3::Utilities::Endpoints::Show.new(model: MeetingSection).mount
-
-            patch &::API::V3::Utilities::Endpoints::Update.new(model: MeetingSection).mount
-
-            delete &::API::V3::Utilities::Endpoints::Delete.new(model: MeetingSection).mount
           end
         end
       end
diff --git a/modules/meeting/lib/api/v3/meetings/meeting_representer.rb b/modules/meeting/lib/api/v3/meetings/meeting_representer.rb
index 11cc02bb724..793490a5a01 100644
--- a/modules/meeting/lib/api/v3/meetings/meeting_representer.rb
+++ b/modules/meeting/lib/api/v3/meetings/meeting_representer.rb
@@ -76,13 +76,13 @@ module API
 
         link :agendaItems do
           {
-            href: api_v3_paths.meeting_agenda_items(represented.id)
+            href: api_v3_paths.meeting_agenda_items(meeting_id: represented.id)
           }
         end
 
         link :sections do
           {
-            href: api_v3_paths.meeting_sections(represented.id)
+            href: api_v3_paths.meeting_sections(meeting_id: represented.id)
           }
         end
 
diff --git a/modules/meeting/lib/api/v3/meetings/meetings_api.rb b/modules/meeting/lib/api/v3/meetings/meetings_api.rb
index 34e793394d3..d339b4cc684 100644
--- a/modules/meeting/lib/api/v3/meetings/meetings_api.rb
+++ b/modules/meeting/lib/api/v3/meetings/meetings_api.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 #-- copyright
 # OpenProject is an open source project management software.
 # Copyright (C) the OpenProject GmbH
@@ -58,6 +59,10 @@ module API
             mount ::API::V3::MeetingSections::SectionsByMeetingAPI
           end
         end
+
+        mount ::API::V3::MeetingAgendaItems::MeetingAgendaItemsAPI
+        mount ::API::V3::MeetingSections::MeetingSectionsAPI
+        mount ::API::V3::MeetingOutcomes::MeetingOutcomesAPI
       end
     end
   end
diff --git a/modules/meeting/lib/open_project/meeting/engine.rb b/modules/meeting/lib/open_project/meeting/engine.rb
index c7894770d41..8ea3f1a9cdc 100644
--- a/modules/meeting/lib/open_project/meeting/engine.rb
+++ b/modules/meeting/lib/open_project/meeting/engine.rb
@@ -241,28 +241,52 @@ module OpenProject::Meeting
       "#{root}/meetings/#{id}/form"
     end
 
-    add_api_path :meeting_agenda_items do |meeting_id|
-      "#{meeting(meeting_id)}/agenda_items"
+    add_api_path :meeting_agenda_items do |meeting_id: nil|
+      if meeting_id
+        "#{meeting(meeting_id)}/agenda_items"
+      else
+        "#{root}/meeting_agenda_items"
+      end
     end
 
-    add_api_path :meeting_agenda_item do |meeting_id, id|
-      "#{meeting(meeting_id)}/agenda_items/#{id}"
+    add_api_path :meeting_agenda_item do |id, meeting_id: nil|
+      if meeting_id
+        "#{meeting(meeting_id)}/agenda_items/#{id}"
+      else
+        "#{root}/meeting_agenda_items/#{id}"
+      end
     end
 
-    add_api_path :meeting_agenda_item_outcomes do |meeting_id, agenda_item_id|
-      "#{meeting_agenda_item(meeting_id, agenda_item_id)}/outcomes"
+    add_api_path :meeting_agenda_item_outcomes do |agenda_item_id, meeting_id: nil|
+      "#{meeting_agenda_item(agenda_item_id, meeting_id:)}/outcomes"
     end
 
-    add_api_path :meeting_agenda_item_outcome do |meeting_id, agenda_item_id, id|
-      "#{meeting_agenda_item_outcomes(meeting_id, agenda_item_id)}/#{id}"
+    add_api_path :meeting_outcomes do
+      "#{root}/meeting_outcomes"
     end
 
-    add_api_path :meeting_sections do |meeting_id|
-      "#{meeting(meeting_id)}/sections"
+    add_api_path :meeting_outcome do |id|
+      "#{root}/meeting_outcomes/#{id}"
     end
 
-    add_api_path :meeting_section do |meeting_id, id|
-      "#{meeting(meeting_id)}/sections/#{id}"
+    add_api_path :meeting_agenda_item_outcome do |id, agenda_item_id:, meeting_id: nil|
+      "#{meeting_agenda_item_outcomes(agenda_item_id, meeting_id:)}/#{id}"
+    end
+
+    add_api_path :meeting_sections do |meeting_id: nil|
+      if meeting_id
+        "#{meeting(meeting_id)}/sections"
+      else
+        "#{root}/meeting_sections"
+      end
+    end
+
+    add_api_path :meeting_section do |id, meeting_id: nil|
+      if meeting_id
+        "#{meeting(meeting_id)}/sections/#{id}"
+      else
+        "#{root}/meeting_sections/#{id}"
+      end
     end
 
     add_api_path :recurring_meetings do
diff --git a/modules/meeting/spec/requests/api/v3/meeting_agenda_items/agenda_items_by_meeting_resource_spec.rb b/modules/meeting/spec/requests/api/v3/meeting_agenda_items/agenda_items_by_meeting_resource_spec.rb
index 5d5bdb39574..c040a31a1ed 100644
--- a/modules/meeting/spec/requests/api/v3/meeting_agenda_items/agenda_items_by_meeting_resource_spec.rb
+++ b/modules/meeting/spec/requests/api/v3/meeting_agenda_items/agenda_items_by_meeting_resource_spec.rb
@@ -51,7 +51,7 @@ RSpec.describe "API v3 Meeting Agenda Items sub-resource", content_type: :json d
   end
 
   describe "GET /api/v3/meetings/:meeting_id/agenda_items" do
-    let(:path) { api_v3_paths.meeting_agenda_items(meeting.id) }
+    let(:path) { api_v3_paths.meeting_agenda_items(meeting_id: meeting.id) }
 
     before { get path }
 
@@ -69,6 +69,18 @@ RSpec.describe "API v3 Meeting Agenda Items sub-resource", content_type: :json d
       expect(last_response.body)
         .to have_json_size(1)
         .at_path("_embedded/elements/0/_embedded/outcomes")
+
+      expect(last_response.body)
+        .to be_json_eql(api_v3_paths.meeting_outcome(outcome.id).to_json)
+        .at_path("_embedded/elements/0/_links/outcomes/0/href")
+
+      expect(last_response.body)
+        .to be_json_eql(api_v3_paths.meeting_agenda_item(agenda_item.id).to_json)
+        .at_path("_embedded/elements/0/_links/self/href")
+
+      expect(last_response.body)
+        .to be_json_eql(api_v3_paths.meeting_section(section.id).to_json)
+        .at_path("_embedded/elements/0/_links/section/href")
     end
 
     context "without view_meetings permission" do
@@ -80,11 +92,16 @@ RSpec.describe "API v3 Meeting Agenda Items sub-resource", content_type: :json d
     end
   end
 
-  describe "POST /api/v3/meetings/:meeting_id/agenda_items" do
-    let(:path) { api_v3_paths.meeting_agenda_items(meeting.id) }
+  describe "POST /api/v3/meeting_agenda_items" do
+    let(:path) { api_v3_paths.meeting_agenda_items }
     let(:body) do
       {
-        title: "New agenda item"
+        title: "New agenda item",
+        _links: {
+          meeting: {
+            href: api_v3_paths.meeting(meeting.id)
+          }
+        }
       }.to_json
     end
 
@@ -109,6 +126,44 @@ RSpec.describe "API v3 Meeting Agenda Items sub-resource", content_type: :json d
         .at_path("title")
     end
 
+    context "with a section href returned by the section collection" do
+      let!(:target_section) { create(:meeting_section, meeting:) }
+      let(:target_section_href) do
+        get api_v3_paths.meeting_sections(meeting_id: meeting.id)
+
+        JSON
+          .parse(last_response.body)
+          .dig("_embedded", "elements")
+          .find { |item| item["id"] == target_section.id }
+          .dig("_links", "self", "href")
+      end
+      let(:body) do
+        {
+          title: "New agenda item in target section",
+          _links: {
+            meeting: {
+              href: api_v3_paths.meeting(meeting.id)
+            },
+            section: {
+              href: target_section_href
+            }
+          }
+        }.to_json
+      end
+
+      it "responds with 201" do
+        expect(target_section_href).to eq(api_v3_paths.meeting_section(target_section.id))
+        expect(response).to have_http_status(:created)
+      end
+
+      it "creates the agenda item in that section" do
+        response
+
+        expect(meeting.agenda_items.find_by(title: "New agenda item in target section").meeting_section)
+          .to eq(target_section)
+      end
+    end
+
     context "without manage_agendas permission" do
       let(:permissions) { %i[view_meetings] }
 
@@ -119,7 +174,7 @@ RSpec.describe "API v3 Meeting Agenda Items sub-resource", content_type: :json d
   end
 
   describe "GET /api/v3/meetings/:meeting_id/agenda_items/:id" do
-    let(:path) { api_v3_paths.meeting_agenda_item(meeting.id, agenda_item.id) }
+    let(:path) { api_v3_paths.meeting_agenda_item(agenda_item.id, meeting_id: meeting.id) }
 
     before { get path }
 
@@ -141,7 +196,7 @@ RSpec.describe "API v3 Meeting Agenda Items sub-resource", content_type: :json d
 
     context "with an item from another meeting" do
       let(:other_meeting) { create(:meeting, project:, author: current_user) }
-      let(:path) { api_v3_paths.meeting_agenda_item(other_meeting.id, agenda_item.id) }
+      let(:path) { api_v3_paths.meeting_agenda_item(agenda_item.id, meeting_id: other_meeting.id) }
 
       it "returns 404" do
         expect(last_response).to have_http_status(:not_found)
@@ -155,7 +210,7 @@ RSpec.describe "API v3 Meeting Agenda Items sub-resource", content_type: :json d
         create(:wp_meeting_agenda_item, meeting:, meeting_section: section, work_package: private_work_package,
                                         author: current_user)
       end
-      let(:path) { api_v3_paths.meeting_agenda_item(meeting.id, wp_agenda_item.id) }
+      let(:path) { api_v3_paths.meeting_agenda_item(wp_agenda_item.id, meeting_id: meeting.id) }
 
       it "returns 200" do
         expect(last_response).to have_http_status(:ok)
@@ -173,8 +228,34 @@ RSpec.describe "API v3 Meeting Agenda Items sub-resource", content_type: :json d
     end
   end
 
-  describe "PATCH /api/v3/meetings/:meeting_id/agenda_items/:id" do
-    let(:path) { api_v3_paths.meeting_agenda_item(meeting.id, agenda_item.id) }
+  describe "GET /api/v3/meeting_agenda_items/:id" do
+    let(:path) { api_v3_paths.meeting_agenda_item(agenda_item.id) }
+
+    before { get path }
+
+    it "returns 200 and the agenda item" do
+      expect(last_response).to have_http_status(:ok)
+
+      expect(last_response.body)
+        .to be_json_eql("MeetingAgendaItem".to_json)
+        .at_path("_type")
+
+      expect(last_response.body)
+        .to be_json_eql(api_v3_paths.meeting_agenda_item(agenda_item.id).to_json)
+        .at_path("_links/self/href")
+    end
+
+    context "without view_meetings permission" do
+      let(:permissions) { [] }
+
+      it "returns 404" do
+        expect(last_response).to have_http_status(:not_found)
+      end
+    end
+  end
+
+  describe "PATCH /api/v3/meeting_agenda_items/:id" do
+    let(:path) { api_v3_paths.meeting_agenda_item(agenda_item.id) }
     let(:body) do
       {
         title: "Updated title",
@@ -193,6 +274,42 @@ RSpec.describe "API v3 Meeting Agenda Items sub-resource", content_type: :json d
       expect(agenda_item.reload.title).to eq("Updated title")
     end
 
+    context "with a section href returned by the agenda item collection" do
+      let(:target_section) { create(:meeting_section, meeting:) }
+      let!(:target_agenda_item) do
+        create(:meeting_agenda_item, meeting:, meeting_section: target_section, author: current_user)
+      end
+      let(:target_section_href) do
+        get api_v3_paths.meeting_agenda_items(meeting_id: meeting.id)
+
+        JSON
+          .parse(last_response.body)
+          .dig("_embedded", "elements")
+          .find { |item| item["id"] == target_agenda_item.id }
+          .dig("_links", "section", "href")
+      end
+      let(:body) do
+        {
+          lockVersion: agenda_item.lock_version,
+          _links: {
+            section: {
+              href: target_section_href
+            }
+          }
+        }.to_json
+      end
+
+      it "responds with 200" do
+        expect(target_section_href).to eq(api_v3_paths.meeting_section(target_section.id))
+        expect(response).to have_http_status(:ok)
+      end
+
+      it "moves the agenda item to that section" do
+        response
+        expect(agenda_item.reload.meeting_section).to eq(target_section)
+      end
+    end
+
     context "without manage_agendas permission" do
       let(:permissions) { %i[view_meetings] }
 
@@ -202,8 +319,8 @@ RSpec.describe "API v3 Meeting Agenda Items sub-resource", content_type: :json d
     end
   end
 
-  describe "DELETE /api/v3/meetings/:meeting_id/agenda_items/:id" do
-    let(:path) { api_v3_paths.meeting_agenda_item(meeting.id, agenda_item.id) }
+  describe "DELETE /api/v3/meeting_agenda_items/:id" do
+    let(:path) { api_v3_paths.meeting_agenda_item(agenda_item.id) }
 
     before { delete path }
 
diff --git a/modules/meeting/spec/requests/api/v3/meeting_outcomes/outcomes_by_agenda_item_resource_spec.rb b/modules/meeting/spec/requests/api/v3/meeting_outcomes/outcomes_by_agenda_item_resource_spec.rb
index dc0b3d6419a..5dfc4be0954 100644
--- a/modules/meeting/spec/requests/api/v3/meeting_outcomes/outcomes_by_agenda_item_resource_spec.rb
+++ b/modules/meeting/spec/requests/api/v3/meeting_outcomes/outcomes_by_agenda_item_resource_spec.rb
@@ -51,7 +51,7 @@ RSpec.describe "API v3 Meeting Outcomes sub-resource", content_type: :json do
   end
 
   describe "GET /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id/outcomes" do
-    let(:path) { api_v3_paths.meeting_agenda_item_outcomes(meeting.id, agenda_item.id) }
+    let(:path) { api_v3_paths.meeting_agenda_item_outcomes(agenda_item.id, meeting_id: meeting.id) }
 
     before { get path }
 
@@ -65,11 +65,19 @@ RSpec.describe "API v3 Meeting Outcomes sub-resource", content_type: :json do
       expect(last_response.body)
         .to have_json_size(1)
         .at_path("_embedded/elements")
+
+      expect(last_response.body)
+        .to be_json_eql(api_v3_paths.meeting_outcome(outcome.id).to_json)
+        .at_path("_embedded/elements/0/_links/self/href")
+
+      expect(last_response.body)
+        .to be_json_eql(api_v3_paths.meeting_agenda_item(agenda_item.id).to_json)
+        .at_path("_embedded/elements/0/_links/agendaItem/href")
     end
 
     context "with an agenda item from another meeting" do
       let(:other_meeting) { create(:meeting, project:, author: current_user) }
-      let(:path) { api_v3_paths.meeting_agenda_item_outcomes(other_meeting.id, agenda_item.id) }
+      let(:path) { api_v3_paths.meeting_agenda_item_outcomes(agenda_item.id, meeting_id: other_meeting.id) }
 
       it "returns 404" do
         expect(last_response).to have_http_status(:not_found)
@@ -108,12 +116,17 @@ RSpec.describe "API v3 Meeting Outcomes sub-resource", content_type: :json do
     end
   end
 
-  describe "POST /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id/outcomes" do
-    let(:path) { api_v3_paths.meeting_agenda_item_outcomes(meeting.id, agenda_item.id) }
+  describe "POST /api/v3/meeting_outcomes" do
+    let(:path) { api_v3_paths.meeting_outcomes }
     let(:body) do
       {
         kind: "information",
-        notes: { raw: "Outcome created via API" }
+        notes: { raw: "Outcome created via API" },
+        _links: {
+          agendaItem: {
+            href: api_v3_paths.meeting_agenda_item(agenda_item.id)
+          }
+        }
       }.to_json
     end
 
@@ -153,6 +166,9 @@ RSpec.describe "API v3 Meeting Outcomes sub-resource", content_type: :json do
         {
           kind: "work_package",
           _links: {
+            agendaItem: {
+              href: api_v3_paths.meeting_agenda_item(agenda_item.id)
+            },
             workPackage: {
               href: api_v3_paths.work_package(work_package.id)
             }
@@ -182,6 +198,9 @@ RSpec.describe "API v3 Meeting Outcomes sub-resource", content_type: :json do
         {
           kind: "work_package",
           _links: {
+            agendaItem: {
+              href: api_v3_paths.meeting_agenda_item(agenda_item.id)
+            },
             workPackage: {
               href: api_v3_paths.work_package(private_work_package.id)
             }
@@ -197,7 +216,11 @@ RSpec.describe "API v3 Meeting Outcomes sub-resource", content_type: :json do
   end
 
   describe "GET /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id/outcomes/:id" do
-    let(:path) { api_v3_paths.meeting_agenda_item_outcome(meeting.id, agenda_item.id, outcome.id) }
+    let(:path) do
+      api_v3_paths.meeting_agenda_item_outcome(outcome.id,
+                                               agenda_item_id: agenda_item.id,
+                                               meeting_id: meeting.id)
+    end
 
     before { get path }
 
@@ -211,11 +234,19 @@ RSpec.describe "API v3 Meeting Outcomes sub-resource", content_type: :json do
       expect(last_response.body)
         .to be_json_eql(outcome.id.to_json)
         .at_path("id")
+
+      expect(last_response.body)
+        .to be_json_eql(api_v3_paths.meeting_outcome(outcome.id).to_json)
+        .at_path("_links/self/href")
     end
 
     context "with an outcome from another agenda item" do
       let(:other_agenda_item) { create(:meeting_agenda_item, meeting:, meeting_section: section, author: current_user) }
-      let(:path) { api_v3_paths.meeting_agenda_item_outcome(meeting.id, other_agenda_item.id, outcome.id) }
+      let(:path) do
+        api_v3_paths.meeting_agenda_item_outcome(outcome.id,
+                                                 agenda_item_id: other_agenda_item.id,
+                                                 meeting_id: meeting.id)
+      end
 
       it "returns 404" do
         expect(last_response).to have_http_status(:not_found)
@@ -242,13 +273,38 @@ RSpec.describe "API v3 Meeting Outcomes sub-resource", content_type: :json do
           .at_path("_links/workPackage/href")
 
         expect(last_response.body).not_to have_json_path("_embedded/workPackage")
-
       end
     end
   end
 
-  describe "PATCH /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id/outcomes/:id" do
-    let(:path) { api_v3_paths.meeting_agenda_item_outcome(meeting.id, agenda_item.id, outcome.id) }
+  describe "GET /api/v3/meeting_outcomes/:id" do
+    let(:path) { api_v3_paths.meeting_outcome(outcome.id) }
+
+    before { get path }
+
+    it "returns 200 and the outcome" do
+      expect(last_response).to have_http_status(:ok)
+
+      expect(last_response.body)
+        .to be_json_eql("MeetingOutcome".to_json)
+        .at_path("_type")
+
+      expect(last_response.body)
+        .to be_json_eql(api_v3_paths.meeting_outcome(outcome.id).to_json)
+        .at_path("_links/self/href")
+    end
+
+    context "without view_meetings permission" do
+      let(:permissions) { [] }
+
+      it "returns 404" do
+        expect(last_response).to have_http_status(:not_found)
+      end
+    end
+  end
+
+  describe "PATCH /api/v3/meeting_outcomes/:id" do
+    let(:path) { api_v3_paths.meeting_outcome(outcome.id) }
     let(:body) do
       {
         notes: { raw: "Updated outcome" }
@@ -271,8 +327,8 @@ RSpec.describe "API v3 Meeting Outcomes sub-resource", content_type: :json do
     end
   end
 
-  describe "DELETE /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id/outcomes/:id" do
-    let(:path) { api_v3_paths.meeting_agenda_item_outcome(meeting.id, agenda_item.id, outcome.id) }
+  describe "DELETE /api/v3/meeting_outcomes/:id" do
+    let(:path) { api_v3_paths.meeting_outcome(outcome.id) }
 
     before { delete path }
 
diff --git a/modules/meeting/spec/requests/api/v3/meeting_sections/sections_by_meeting_resource_spec.rb b/modules/meeting/spec/requests/api/v3/meeting_sections/sections_by_meeting_resource_spec.rb
index 17782fcc872..ebfd2190f65 100644
--- a/modules/meeting/spec/requests/api/v3/meeting_sections/sections_by_meeting_resource_spec.rb
+++ b/modules/meeting/spec/requests/api/v3/meeting_sections/sections_by_meeting_resource_spec.rb
@@ -49,7 +49,7 @@ RSpec.describe "API v3 Meeting Sections sub-resource", content_type: :json do
   end
 
   describe "GET /api/v3/meetings/:meeting_id/sections" do
-    let(:path) { api_v3_paths.meeting_sections(meeting.id) }
+    let(:path) { api_v3_paths.meeting_sections(meeting_id: meeting.id) }
 
     before { get path }
 
@@ -59,6 +59,10 @@ RSpec.describe "API v3 Meeting Sections sub-resource", content_type: :json do
       expect(last_response.body)
         .to be_json_eql("Collection".to_json)
         .at_path("_type")
+
+      expect(last_response.body)
+        .to be_json_eql(api_v3_paths.meeting_section(section.id).to_json)
+        .at_path("_embedded/elements/0/_links/self/href")
     end
 
     context "without view_meetings permission" do
@@ -70,11 +74,16 @@ RSpec.describe "API v3 Meeting Sections sub-resource", content_type: :json do
     end
   end
 
-  describe "POST /api/v3/meetings/:meeting_id/sections" do
-    let(:path) { api_v3_paths.meeting_sections(meeting.id) }
+  describe "POST /api/v3/meeting_sections" do
+    let(:path) { api_v3_paths.meeting_sections }
     let(:body) do
       {
-        title: "New Section"
+        title: "New Section",
+        _links: {
+          meeting: {
+            href: api_v3_paths.meeting(meeting.id)
+          }
+        }
       }.to_json
     end
 
@@ -109,7 +118,7 @@ RSpec.describe "API v3 Meeting Sections sub-resource", content_type: :json do
   end
 
   describe "GET /api/v3/meetings/:meeting_id/sections/:id" do
-    let(:path) { api_v3_paths.meeting_section(meeting.id, section.id) }
+    let(:path) { api_v3_paths.meeting_section(section.id, meeting_id: meeting.id) }
 
     before { get path }
 
@@ -127,7 +136,7 @@ RSpec.describe "API v3 Meeting Sections sub-resource", content_type: :json do
 
     context "with a section from another meeting" do
       let(:other_meeting) { create(:meeting, project:, author: current_user) }
-      let(:path) { api_v3_paths.meeting_section(other_meeting.id, section.id) }
+      let(:path) { api_v3_paths.meeting_section(section.id, meeting_id: other_meeting.id) }
 
       it "returns 404" do
         expect(last_response).to have_http_status(:not_found)
@@ -135,8 +144,34 @@ RSpec.describe "API v3 Meeting Sections sub-resource", content_type: :json do
     end
   end
 
-  describe "PATCH /api/v3/meetings/:meeting_id/sections/:id" do
-    let(:path) { api_v3_paths.meeting_section(meeting.id, section.id) }
+  describe "GET /api/v3/meeting_sections/:id" do
+    let(:path) { api_v3_paths.meeting_section(section.id) }
+
+    before { get path }
+
+    it "returns 200 and the section" do
+      expect(last_response).to have_http_status(:ok)
+
+      expect(last_response.body)
+        .to be_json_eql("MeetingSection".to_json)
+        .at_path("_type")
+
+      expect(last_response.body)
+        .to be_json_eql(api_v3_paths.meeting_section(section.id).to_json)
+        .at_path("_links/self/href")
+    end
+
+    context "without view_meetings permission" do
+      let(:permissions) { [] }
+
+      it "returns 404" do
+        expect(last_response).to have_http_status(:not_found)
+      end
+    end
+  end
+
+  describe "PATCH /api/v3/meeting_sections/:id" do
+    let(:path) { api_v3_paths.meeting_section(section.id) }
     let(:body) do
       {
         title: "Updated Section Title"
@@ -163,8 +198,8 @@ RSpec.describe "API v3 Meeting Sections sub-resource", content_type: :json do
     end
   end
 
-  describe "DELETE /api/v3/meetings/:meeting_id/sections/:id" do
-    let(:path) { api_v3_paths.meeting_section(meeting.id, section.id) }
+  describe "DELETE /api/v3/meeting_sections/:id" do
+    let(:path) { api_v3_paths.meeting_section(section.id) }
 
     before { delete path }