diff --git a/doc/api/openapi/openapi_v2.yaml b/doc/api/openapi/openapi_v2.yaml
index a8206c01ef19855c3b03f07f5405cd84fcc43a0a..cbd86d9621e142571c68db50c56f8b0ad526676e 100644
--- a/doc/api/openapi/openapi_v2.yaml
+++ b/doc/api/openapi/openapi_v2.yaml
@@ -44380,6 +44380,8 @@ definitions:
         type: string
       lock_duo_features_enabled:
         type: string
+      web_based_commit_signing_enabled:
+        type: string
     description: API_Entities_Group model
   API_Entities_Namespace_RootStorageStatistics:
     type: object
@@ -44933,6 +44935,9 @@ definitions:
         type: boolean
         description: Indicates if the GitLab Duo features enabled setting is enforced
           for all subgroups
+      web_based_commit_signing_enabled:
+        type: boolean
+        description: Enable web based commit signing for this group
     description: Update a group. Available only for users who can administrate groups.
   API_Entities_GroupDetail:
     type: object
@@ -45049,6 +45054,8 @@ definitions:
         type: string
       lock_duo_features_enabled:
         type: string
+      web_based_commit_signing_enabled:
+        type: string
       shared_with_groups:
         type: string
       runners_token:
diff --git a/ee/lib/ee/api/entities/group.rb b/ee/lib/ee/api/entities/group.rb
index e1463a04cc60f989d3a483001092cbcace0c537e..534501d8703df044205c24ed8d1d49029701523c 100644
--- a/ee/lib/ee/api/entities/group.rb
+++ b/ee/lib/ee/api/entities/group.rb
@@ -54,6 +54,11 @@ module Group
               group.licensed_ai_features_available? &&
                 Ability.allowed?(options[:current_user], :admin_group, group)
             }
+          expose :web_based_commit_signing_enabled,
+            if: ->(group, options) {
+              ::Gitlab::Saas.feature_available?(:repositories_web_based_commit_signing) &&
+                Ability.allowed?(options[:current_user], :admin_group, group)
+            }
         end
       end
     end
diff --git a/ee/lib/ee/api/helpers/groups_helpers.rb b/ee/lib/ee/api/helpers/groups_helpers.rb
index d20cb403d557ca4b673164432e5a33044e76cf85..f34a8d57aac32fa72c0e16e64fc6855c2ae4c59c 100644
--- a/ee/lib/ee/api/helpers/groups_helpers.rb
+++ b/ee/lib/ee/api/helpers/groups_helpers.rb
@@ -64,6 +64,9 @@ module GroupsHelpers
             optional :lock_duo_features_enabled,
               type: ::Grape::API::Boolean,
               desc: "Indicates if the GitLab Duo features enabled setting is enforced for all subgroups"
+            optional :web_based_commit_signing_enabled,
+              type: ::Grape::API::Boolean,
+              desc: 'Enable web based commit signing for this group'
           end
 
           params :optional_projects_params_ee do
diff --git a/ee/spec/lib/ee/api/entities/group_spec.rb b/ee/spec/lib/ee/api/entities/group_spec.rb
index 1d9a71b6a4a0b6d69db5d74410c993b6b22db7b1..12052734a6bd285fc540217c2fedc03e295c05de 100644
--- a/ee/spec/lib/ee/api/entities/group_spec.rb
+++ b/ee/spec/lib/ee/api/entities/group_spec.rb
@@ -23,7 +23,8 @@
       :file_template_project_id,
       :duo_core_features_enabled,
       :duo_features_enabled,
-      :lock_duo_features_enabled
+      :lock_duo_features_enabled,
+      :web_based_commit_signing_enabled
     )
   end
 
@@ -103,6 +104,18 @@
           )
         end
       end
+
+      context 'and the repositories_web_based_commit_signing feature is available' do
+        before do
+          stub_saas_features(repositories_web_based_commit_signing: true)
+        end
+
+        it 'returns expected data' do
+          expect(json.keys).to include(
+            :web_based_commit_signing_enabled
+          )
+        end
+      end
     end
   end
 end
diff --git a/ee/spec/requests/api/groups_spec.rb b/ee/spec/requests/api/groups_spec.rb
index 4339fe403fac08905500e2caa0631564c1c6ef71..ab61d50309a4840ed3b0421630eecb07daa8644d 100644
--- a/ee/spec/requests/api/groups_spec.rb
+++ b/ee/spec/requests/api/groups_spec.rb
@@ -681,6 +681,36 @@
         expect(response).to have_gitlab_http_status(:ok)
       end
     end
+
+    context 'web_based_commit_signing_enabled' do
+      using RSpec::Parameterized::TableSyntax
+      context 'when authenticated as group owner' do
+        where(:feature_available, :feature_enabled, :result) do
+          true  | false | false
+          true  | true  | true
+          false | true  | nil
+          false | false | nil
+        end
+
+        with_them do
+          let(:params) { { web_based_commit_signing_enabled: true } }
+
+          before do
+            group.add_owner(user)
+
+            stub_saas_features(repositories_web_based_commit_signing: feature_available)
+            stub_feature_flags(use_web_based_commit_signing_enabled: feature_enabled)
+          end
+
+          it 'updates the attribute as expected' do
+            subject
+
+            expect(response).to have_gitlab_http_status(:ok)
+            expect(json_response['web_based_commit_signing_enabled']).to eq(result)
+          end
+        end
+      end
+    end
   end
 
   describe "POST /groups" do