diff --git a/Gemfile b/Gemfile
index ff322343..acf60a8b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -30,7 +30,7 @@ gem 'puma', '~> 6.6', '>= 6.6.1'
 gem 'pundit', '~> 2.5'
 gem 'rack-attack', '~> 6.7'
 gem 'rack-cors', '~> 3.0', require: 'rack/cors'
-gem 'rails', '~> 7.2.2', '>= 7.2.2.1'
+gem 'rails', '~> 7.2.3', '>= 7.2.3.2'
 gem 'rails-i18n', '~> 7.0', '>= 7.0.10'
 gem 'redis', '~> 5.4', '>= 5.4.1'
 gem 'roo', '~> 2.10', '>= 2.10.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index a790f37a..57e2cc5b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,69 +1,71 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actioncable (7.2.3.2)
+      actionpack (= 7.2.3.2)
+      activesupport (= 7.2.3.2)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
       zeitwerk (~> 2.6)
-    actionmailbox (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      activejob (= 7.2.2.1)
-      activerecord (= 7.2.2.1)
-      activestorage (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actionmailbox (7.2.3.2)
+      actionpack (= 7.2.3.2)
+      activejob (= 7.2.3.2)
+      activerecord (= 7.2.3.2)
+      activestorage (= 7.2.3.2)
+      activesupport (= 7.2.3.2)
       mail (>= 2.8.0)
-    actionmailer (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      actionview (= 7.2.2.1)
-      activejob (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actionmailer (7.2.3.2)
+      actionpack (= 7.2.3.2)
+      actionview (= 7.2.3.2)
+      activejob (= 7.2.3.2)
+      activesupport (= 7.2.3.2)
       mail (>= 2.8.0)
       rails-dom-testing (~> 2.2)
-    actionpack (7.2.2.1)
-      actionview (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actionpack (7.2.3.2)
+      actionview (= 7.2.3.2)
+      activesupport (= 7.2.3.2)
+      cgi
       nokogiri (>= 1.8.5)
       racc
-      rack (>= 2.2.4, < 3.2)
+      rack (>= 2.2.4, < 3.3)
       rack-session (>= 1.0.1)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
       useragent (~> 0.16)
-    actiontext (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      activerecord (= 7.2.2.1)
-      activestorage (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actiontext (7.2.3.2)
+      actionpack (= 7.2.3.2)
+      activerecord (= 7.2.3.2)
+      activestorage (= 7.2.3.2)
+      activesupport (= 7.2.3.2)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actionview (7.2.3.2)
+      activesupport (= 7.2.3.2)
       builder (~> 3.1)
+      cgi
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
     active_model_otp (2.3.4)
       activemodel
       rotp (~> 6.3.0)
-    activejob (7.2.2.1)
-      activesupport (= 7.2.2.1)
+    activejob (7.2.3.2)
+      activesupport (= 7.2.3.2)
       globalid (>= 0.3.6)
-    activemodel (7.2.2.1)
-      activesupport (= 7.2.2.1)
-    activerecord (7.2.2.1)
-      activemodel (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    activemodel (7.2.3.2)
+      activesupport (= 7.2.3.2)
+    activerecord (7.2.3.2)
+      activemodel (= 7.2.3.2)
+      activesupport (= 7.2.3.2)
       timeout (>= 0.4.0)
-    activestorage (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      activejob (= 7.2.2.1)
-      activerecord (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    activestorage (7.2.3.2)
+      actionpack (= 7.2.3.2)
+      activejob (= 7.2.3.2)
+      activerecord (= 7.2.3.2)
+      activesupport (= 7.2.3.2)
       marcel (~> 1.0)
-    activesupport (7.2.2.1)
+    activesupport (7.2.3.2)
       base64
       benchmark (>= 0.3)
       bigdecimal
@@ -72,7 +74,7 @@ GEM
       drb
       i18n (>= 1.6, < 2)
       logger (>= 1.4.2)
-      minitest (>= 5.1)
+      minitest (>= 5.1, < 6)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
     addressable (2.8.7)
@@ -117,6 +119,8 @@ GEM
       fastimage
     case_transform (0.2)
       activesupport
+    cgi (0.5.2)
+    cgi (0.5.2-java)
     coderay (1.1.3)
     colorize (1.1.0)
     concurrent-ruby (1.3.5)
@@ -347,20 +351,20 @@ GEM
       rack (>= 1.3)
     rackup (2.2.1)
       rack (>= 3)
-    rails (7.2.2.1)
-      actioncable (= 7.2.2.1)
-      actionmailbox (= 7.2.2.1)
-      actionmailer (= 7.2.2.1)
-      actionpack (= 7.2.2.1)
-      actiontext (= 7.2.2.1)
-      actionview (= 7.2.2.1)
-      activejob (= 7.2.2.1)
-      activemodel (= 7.2.2.1)
-      activerecord (= 7.2.2.1)
-      activestorage (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    rails (7.2.3.2)
+      actioncable (= 7.2.3.2)
+      actionmailbox (= 7.2.3.2)
+      actionmailer (= 7.2.3.2)
+      actionpack (= 7.2.3.2)
+      actiontext (= 7.2.3.2)
+      actionview (= 7.2.3.2)
+      activejob (= 7.2.3.2)
+      activemodel (= 7.2.3.2)
+      activerecord (= 7.2.3.2)
+      activestorage (= 7.2.3.2)
+      activesupport (= 7.2.3.2)
       bundler (>= 1.15.0)
-      railties (= 7.2.2.1)
+      railties (= 7.2.3.2)
     rails-dom-testing (2.2.0)
       activesupport (>= 5.0.0)
       minitest
@@ -371,13 +375,15 @@ GEM
     rails-i18n (7.0.10)
       i18n (>= 0.7, < 2)
       railties (>= 6.0.0, < 8)
-    railties (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    railties (7.2.3.2)
+      actionpack (= 7.2.3.2)
+      activesupport (= 7.2.3.2)
+      cgi
       irb (~> 1.13)
       rackup (>= 1.0.0)
       rake (>= 12.2)
       thor (~> 1.0, >= 1.2.2)
+      tsort (>= 0.2)
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
     rake (13.2.1)
@@ -534,6 +540,7 @@ GEM
     timecop (0.9.10)
     timeliness (0.5.2)
     timeout (0.4.3)
+    tsort (0.2.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     tzinfo-data (1.2025.2)
@@ -617,7 +624,7 @@ DEPENDENCIES
   rack-attack (~> 6.7)
   rack-cors (~> 3.0)
   rack-mini-profiler (~> 3.3, >= 3.3.1)
-  rails (~> 7.2.2, >= 7.2.2.1)
+  rails (~> 7.2.3, >= 7.2.3.2)
   rails-i18n (~> 7.0, >= 7.0.10)
   rb-readline (~> 0.5, >= 0.5.5)
   redis (~> 5.4, >= 5.4.1)
diff --git a/app/models/alumni_contribution.rb b/app/models/alumni_contribution.rb
new file mode 100644
index 00000000..8abce55c
--- /dev/null
+++ b/app/models/alumni_contribution.rb
@@ -0,0 +1,12 @@
+class AlumniContribution < ApplicationRecord
+  has_paper_trail
+
+  belongs_to :user
+
+  validates :user, uniqueness: true
+  validates :sponsoring_amount, numericality: { greater_than_or_equal_to: 0, allow_nil: true }
+  validates :help_digtus, inclusion: [true, false]
+  validates :help_kring, inclusion: [true, false]
+  validates :help_vereniging, inclusion: [true, false]
+  validates :help_anders, length: { maximum: 1000, allow_nil: true }
+end
diff --git a/app/models/user.rb b/app/models/user.rb
index 9761b2cd..2c22273a 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -27,6 +27,7 @@ class User < ApplicationRecord # rubocop:disable Metrics/ClassLength
   has_many :mandates, class_name: 'Debit::Mandate', dependent: :delete_all
   has_many :transactions, class_name: 'Debit::Transaction', dependent: :delete_all
   has_many :group_mail_aliases, through: :active_groups, source: :mail_aliases
+  has_one :alumni_contribution, dependent: :destroy
 
   # See https://github.com/doorkeeper-gem/doorkeeper#active-record
   has_many :access_grants, class_name: 'Doorkeeper::AccessGrant',
diff --git a/app/policies/alumni_contribution_policy.rb b/app/policies/alumni_contribution_policy.rb
new file mode 100644
index 00000000..ddd4264e
--- /dev/null
+++ b/app/policies/alumni_contribution_policy.rb
@@ -0,0 +1,35 @@
+class AlumniContributionPolicy < ApplicationPolicy
+  def index?
+    user_can_read?
+  end
+
+  def show?
+    user_can_read?
+  end
+
+  def create?
+    user_can_create?
+  end
+
+  def update?
+    user_can_update?
+  end
+
+  def destroy?
+    user_can_update?
+  end
+
+  private
+
+  def user_can_read?
+    user&.permission?(:read, record) || record.user == user
+  end
+
+  def user_can_create?
+    user&.permission?(:create, record)
+  end
+
+  def user_can_update?
+    user&.permission?(:update, record) || record.user == user
+  end
+end
diff --git a/app/resources/v1/alumni_contribution_resource.rb b/app/resources/v1/alumni_contribution_resource.rb
new file mode 100644
index 00000000..d104d72a
--- /dev/null
+++ b/app/resources/v1/alumni_contribution_resource.rb
@@ -0,0 +1,13 @@
+class V1::AlumniContributionResource < V1::ApplicationResource
+  attributes :sponsoring_amount, :help_digtus, :help_kring, :help_vereniging, :help_anders
+
+  has_one :user, always_include_linkage_data: true
+
+  def self.creatable_fields(_context)
+    %i[sponsoring_amount help_digtus help_kring help_vereniging help_anders]
+  end
+
+  def self.updatable_fields(_context)
+    %i[sponsoring_amount help_digtus help_kring help_vereniging help_anders]
+  end
+end
diff --git a/config/brakeman.ignore b/config/brakeman.ignore
index e6e759e6..ed06d2ce 100644
--- a/config/brakeman.ignore
+++ b/config/brakeman.ignore
@@ -1,6 +1,24 @@
 {
   "ignored_warnings": [
+    {
+      "warning_type": "Unmaintained Dependency",
+      "warning_code": 120,
+      "fingerprint": "d84924377155b41e094acae7404ec2e521629d86f97b0ff628e3d1b263f8101c",
+      "check_name": "EOLRails",
+      "message": "Support for Rails 7.2.3.2 ended on 2026-08-09",
+      "file": "Gemfile.lock",
+      "line": 354,
+      "link": "https://brakemanscanner.org/docs/warning_types/unmaintained_dependency/",
+      "code": null,
+      "render_path": null,
+      "location": null,
+      "user_input": null,
+      "confidence": "High",
+      "cwe_id": [
+        1104
+      ],
+      "note": "ignored update comming soon"
+    }
   ],
-  "updated": "2016-06-03 22:39:14 +0200",
-  "brakeman_version": "3.3.1"
+  "brakeman_version": "7.1.1"
 }
diff --git a/config/routes.rb b/config/routes.rb
index 3dc11a66..a568df82 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -15,6 +15,7 @@
         post :generate_alias
       end
     end
+    jsonapi_resources :alumni_contributions
     jsonapi_resources :articles
     jsonapi_resources :article_comments
     jsonapi_resources :board_room_presences
diff --git a/db/migrate/20260828004330_create_alumni_contributions.rb b/db/migrate/20260828004330_create_alumni_contributions.rb
new file mode 100644
index 00000000..974199a7
--- /dev/null
+++ b/db/migrate/20260828004330_create_alumni_contributions.rb
@@ -0,0 +1,14 @@
+class CreateAlumniContributions < ActiveRecord::Migration[7.0]
+  def change
+    create_table :alumni_contributions do |t|
+      t.references :user, null: false, foreign_key: true, index: { unique: true }
+      t.decimal :sponsoring_amount, precision: 10, scale: 2, default: 0.00
+      t.boolean :help_digtus, default: false, null: false
+      t.boolean :help_kring, default: false, null: false
+      t.boolean :help_vereniging, default: false, null: false
+      t.text :help_anders
+      t.datetime :deleted_at
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 1812a52a..c4717d40 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2025_11_03_104056) do
+ActiveRecord::Schema[7.2].define(version: 2026_08_28_004330) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -71,6 +71,19 @@
     t.index ["form_id"], name: "index_activities_on_form_id", unique: true
   end
 
+  create_table "alumni_contributions", force: :cascade do |t|
+    t.bigint "user_id", null: false
+    t.decimal "sponsoring_amount", precision: 10, scale: 2, default: "0.0"
+    t.boolean "help_digtus", default: false, null: false
+    t.boolean "help_kring", default: false, null: false
+    t.boolean "help_vereniging", default: false, null: false
+    t.text "help_anders"
+    t.datetime "deleted_at"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["user_id"], name: "index_alumni_contributions_on_user_id", unique: true
+  end
+
   create_table "article_comments", id: :serial, force: :cascade do |t|
     t.text "content"
     t.integer "article_id"
@@ -597,6 +610,7 @@
 
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
+  add_foreign_key "alumni_contributions", "users"
   add_foreign_key "article_comments", "articles"
   add_foreign_key "article_comments", "users", column: "author_id"
   add_foreign_key "articles", "groups"
diff --git a/spec/factories/alumni_contributions.rb b/spec/factories/alumni_contributions.rb
new file mode 100644
index 00000000..207de78a
--- /dev/null
+++ b/spec/factories/alumni_contributions.rb
@@ -0,0 +1,10 @@
+FactoryBot.define do
+  factory :alumni_contribution do
+    user
+    sponsoring_amount { Faker::Number.decimal(l_digits: 3, r_digits: 2) }
+    help_digtus { [true, false].sample }
+    help_kring { [true, false].sample }
+    help_vereniging { [true, false].sample }
+    help_anders { [nil, Faker::Lorem.sentence].sample }
+  end
+end
diff --git a/spec/factories/users.rb b/spec/factories/users.rb
index 1bd738db..6fa27bf8 100644
--- a/spec/factories/users.rb
+++ b/spec/factories/users.rb
@@ -37,6 +37,8 @@
     transient do
       user_permission_list { [] }
       groups { [] }
+      with_alumni_contribution { false }
+      alumni_contribution_attributes { {} }
     end
 
     after :create do |user, evaluator|
@@ -47,6 +49,10 @@
       evaluator.groups.each do |group|
         FactoryBot.create(:membership, group:, user:)
       end
+
+      if evaluator.with_alumni_contribution
+        FactoryBot.create(:alumni_contribution, user:, **evaluator.alumni_contribution_attributes)
+      end
     end
   end
 end
diff --git a/spec/models/alumni_contribution_spec.rb b/spec/models/alumni_contribution_spec.rb
new file mode 100644
index 00000000..7c3624b8
--- /dev/null
+++ b/spec/models/alumni_contribution_spec.rb
@@ -0,0 +1,104 @@
+require 'rails_helper'
+
+RSpec.describe AlumniContribution do
+  describe 'associations' do
+    it 'belongs to user' do
+      expect(described_class.reflect_on_association(:user)).to be_a(ActiveRecord::Reflection::BelongsToReflection)
+    end
+  end
+
+  describe 'validations' do
+    subject(:alumni_contribution) { build(:alumni_contribution) }
+
+    it { expect(alumni_contribution).to be_valid }
+
+    describe 'user' do
+      it 'validates uniqueness of user' do
+        existing = create(:alumni_contribution)
+        alumni_contribution.user = existing.user
+        expect(alumni_contribution).not_to be_valid
+      end
+    end
+
+    describe 'sponsoring_amount' do
+      it 'validates numericality is greater than or equal to 0' do
+        alumni_contribution.sponsoring_amount = -10.00
+        expect(alumni_contribution).not_to be_valid
+      end
+
+      it 'allows zero' do
+        alumni_contribution.sponsoring_amount = 0.00
+        expect(alumni_contribution).to be_valid
+      end
+
+      it 'allows nil' do
+        alumni_contribution.sponsoring_amount = nil
+        expect(alumni_contribution).to be_valid
+      end
+    end
+
+    describe 'help_digtus' do
+      it 'validates inclusion in [true, false]' do
+        alumni_contribution.help_digtus = nil
+        expect(alumni_contribution).not_to be_valid
+      end
+    end
+
+    describe 'help_kring' do
+      it 'validates inclusion in [true, false]' do
+        alumni_contribution.help_kring = nil
+        expect(alumni_contribution).not_to be_valid
+      end
+    end
+
+    describe 'help_vereniging' do
+      it 'validates inclusion in [true, false]' do
+        alumni_contribution.help_vereniging = nil
+        expect(alumni_contribution).not_to be_valid
+      end
+    end
+
+    describe 'help_anders' do
+      it 'validates maximum length of 1000' do
+        alumni_contribution.help_anders = 'a' * 1001
+        expect(alumni_contribution).not_to be_valid
+      end
+
+      it 'allows exactly 1000 characters' do
+        alumni_contribution.help_anders = 'a' * 1000
+        expect(alumni_contribution).to be_valid
+      end
+
+      it 'allows nil' do
+        alumni_contribution.help_anders = nil
+        expect(alumni_contribution).to be_valid
+      end
+    end
+  end
+
+  describe 'database schema' do
+    it 'has user_id column' do
+      expect(described_class.column_names).to include('user_id')
+    end
+
+    it 'has sponsoring_amount column' do
+      expect(described_class.column_names).to include('sponsoring_amount')
+    end
+
+    it 'has help_digtus column' do
+      expect(described_class.column_names).to include('help_digtus')
+    end
+
+    it 'has help_kring column' do
+      expect(described_class.column_names).to include('help_kring')
+    end
+
+    it 'has help_vereniging column' do
+      expect(described_class.column_names).to include('help_vereniging')
+    end
+
+    it 'has help_anders column' do
+      expect(described_class.column_names).to include('help_anders')
+    end
+  end
+end
diff --git a/spec/policies/alumni_contribution_policy_spec.rb b/spec/policies/alumni_contribution_policy_spec.rb
new file mode 100644
index 00000000..b6c35a5a
--- /dev/null
+++ b/spec/policies/alumni_contribution_policy_spec.rb
@@ -0,0 +1,56 @@
+require 'rails_helper'
+
+RSpec.describe AlumniContributionPolicy, type: :policy do
+  subject(:policy) { described_class }
+
+  let(:user) { build_stubbed(:user) }
+  let(:record) { build_stubbed(:alumni_contribution) }
+
+  permissions :index?, :show? do
+    describe 'when record is not owned and without permission' do
+      it { expect(policy).not_to permit(user, record) }
+    end
+
+    describe 'when record is owned' do
+      let(:record) { build_stubbed(:alumni_contribution, user:) }
+
+      it { expect(policy).to permit(user, record) }
+    end
+
+    describe 'when with permission' do
+      let(:user) { create(:user, user_permission_list: ['alumni_contribution.read']) }
+
+      it { expect(policy).to permit(user, record) }
+    end
+  end
+
+  permissions :create? do
+    describe 'when without permission' do
+      it { expect(policy).not_to permit(user, record) }
+    end
+
+    describe 'when with permission' do
+      let(:user) { create(:user, user_permission_list: ['alumni_contribution.create']) }
+
+      it { expect(policy).to permit(user, record) }
+    end
+  end
+
+  permissions :update?, :destroy? do
+    describe 'when record is not owned and without permission' do
+      it { expect(policy).not_to permit(user, record) }
+    end
+
+    describe 'when record is owned' do
+      let(:record) { build_stubbed(:alumni_contribution, user:) }
+
+      it { expect(policy).to permit(user, record) }
+    end
+
+    describe 'when with permission' do
+      let(:user) { create(:user, user_permission_list: ['alumni_contribution.update']) }
+
+      it { expect(policy).to permit(user, record) }
+    end
+  end
+end
diff --git a/spec/resources/v1/alumni_contribution_resource_spec.rb b/spec/resources/v1/alumni_contribution_resource_spec.rb
new file mode 100644
index 00000000..890c13d1
--- /dev/null
+++ b/spec/resources/v1/alumni_contribution_resource_spec.rb
@@ -0,0 +1,20 @@
+require 'rails_helper'
+
+RSpec.describe V1::AlumniContributionResource, type: :resource do
+  let(:user) { create(:user) }
+  let(:context) { { user: } }
+
+  describe '#creatable_fields' do
+    it {
+      expect(described_class.creatable_fields(context)).to match_array(%i[sponsoring_amount help_digtus help_kring
+                                                                          help_vereniging help_anders])
+    }
+  end
+
+  describe '#updatable_fields' do
+    it {
+      expect(described_class.updatable_fields(context)).to match_array(%i[sponsoring_amount help_digtus help_kring
+                                                                          help_vereniging help_anders])
+    }
+  end
+end