diff --git a/changelogs/unreleased/enabling_runners_token_for_groups.yml b/changelogs/unreleased/enabling_runners_token_for_groups.yml
new file mode 100644
index 0000000000000000000000000000000000000000..9e55aca82dec7cb8629f81a5e598371bbf45d2ce
--- /dev/null
+++ b/changelogs/unreleased/enabling_runners_token_for_groups.yml
@@ -0,0 +1,5 @@
+---
+title: Adds the runners_token of the group if the user that requests the group info is admin of it
+merge_request: 16831
+author: Ignacio Lorenzo Subirá Otal nachootal@gmail.com
+type: changed
diff --git a/doc/api/groups.md b/doc/api/groups.md
index 8b13462b887e48d600a4fb6f72738fb7f3c2eafd..18e71f488cedce7e58e41685dcc27c32a4f918c7 100644
--- a/doc/api/groups.md
+++ b/doc/api/groups.md
@@ -208,7 +208,7 @@ Example response:
 ## Details of a group
 
 Get all details of a group. This endpoint can be accessed without authentication
-if the group is publicly accessible.
+if the group is publicly accessible. In case the user that requests is admin of the group, it will return the `runners_token` for the group too.
 
 ```
 GET /groups/:id
@@ -240,6 +240,7 @@ Example response:
   "request_access_enabled": false,
   "full_name": "Twitter",
   "full_path": "twitter",
+  "runners_token": "ba324ca7b1c77fc20bb9",
   "file_template_project_id": 1,
   "parent_id": null,
   "projects": [
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index f7cd6d35854afd2fbd0cd88e65123360c95c6395..8b01b5c2d71a2b59c881724fac2cd006db0b0bc5 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -400,6 +400,7 @@ class Group < BasicGroupDetails
     end
 
     class GroupDetail < Group
+      expose :runners_token, if: lambda { |group, options| options[:user_can_admin_group] }
       expose :projects, using: Entities::Project do |group, options|
         projects = GroupProjectsFinder.new(
           group: group,
diff --git a/lib/api/groups.rb b/lib/api/groups.rb
index 0b086f2e36dae0f3bf46dcc213b797ca900dc2ad..83860949e3e3527209950d3d48c711c31e86bb08 100644
--- a/lib/api/groups.rb
+++ b/lib/api/groups.rb
@@ -173,7 +173,8 @@ def present_groups(params, groups)
 
         options = {
           with: params[:with_projects] ? Entities::GroupDetail : Entities::Group,
-          current_user: current_user
+          current_user: current_user,
+          user_can_admin_group: can?(current_user, :admin_group, group)
         }
 
         group, options = with_custom_attributes(group, options)
diff --git a/spec/requests/api/groups_spec.rb b/spec/requests/api/groups_spec.rb
index 0893dcb39b6afd0ab3e2d0e45f40fcc00289680f..b3acf531ccb85caec8c171ddd75b55613314f286 100644
--- a/spec/requests/api/groups_spec.rb
+++ b/spec/requests/api/groups_spec.rb
@@ -59,6 +59,16 @@
           .to satisfy_one { |group| group['name'] == group1.name }
       end
 
+      it "does not include runners_token information" do
+        get api("/groups", user1)
+
+        expect(response).to have_gitlab_http_status(200)
+        expect(response).to include_pagination_headers
+        expect(json_response).to be_an Array
+        expect(json_response.length).to eq(1)
+        expect(json_response.first).not_to include('runners_token')
+      end
+
       it "does not include statistics" do
         get api("/groups", user1), params: { statistics: true }
 
@@ -79,6 +89,16 @@
         expect(json_response.length).to eq(2)
       end
 
+      it "does not include runners_token information" do
+        get api("/groups", admin)
+
+        expect(response).to have_gitlab_http_status(200)
+        expect(response).to include_pagination_headers
+        expect(json_response).to be_an Array
+        expect(json_response.length).to eq(2)
+        expect(json_response.first).not_to include('runners_token')
+      end
+
       it "does not include statistics by default" do
         get api("/groups", admin)
 
@@ -292,6 +312,7 @@ def response_project_ids(json_response, key)
         get api("/groups/#{group1.id}")
 
         expect(response).to have_gitlab_http_status(200)
+        expect(json_response).not_to include('runners_token')
       end
 
       it 'returns only public projects in the group' do
@@ -350,6 +371,22 @@ def response_project_ids(json_response, key)
         expect(response).to have_gitlab_http_status(200)
         expect(json_response['projects']).to be_nil
         expect(json_response['shared_projects']).to be_nil
+        expect(json_response).not_to include('runners_token')
+      end
+
+      it "doesn't return runners_token if the user is not the owner of the group" do
+        get api("/groups/#{group1.id}", user3)
+
+        expect(response).to have_gitlab_http_status(200)
+        expect(json_response).not_to include('runners_token')
+      end
+
+      it "returns runners_token if the user is the owner of the group" do
+        group1.add_owner(user3)
+        get api("/groups/#{group1.id}", user3)
+
+        expect(response).to have_gitlab_http_status(200)
+        expect(json_response).to include('runners_token')
       end
 
       it "does not return a non existing group" do
@@ -407,6 +444,13 @@ def response_project_ids(json_response, key)
         expect(json_response['name']).to eq(group2.name)
       end
 
+      it "returns information of the runners_token for the group" do
+        get api("/groups/#{group2.id}", admin)
+
+        expect(response).to have_gitlab_http_status(200)
+        expect(json_response).to include('runners_token')
+      end
+
       it "does not return a non existing group" do
         get api("/groups/1328", admin)