diff --git a/changelogs/unreleased/23731-add-param-to-user-api.yml b/changelogs/unreleased/23731-add-param-to-user-api.yml
new file mode 100644
index 0000000000000000000000000000000000000000..e31029ffb27a0326abc6cbb425f973eeb80401c0
--- /dev/null
+++ b/changelogs/unreleased/23731-add-param-to-user-api.yml
@@ -0,0 +1,4 @@
+---
+title: Add query param to filter users by external & blocked type
+merge_request: 7109
+author: Yatish Mehta
diff --git a/doc/api/users.md b/doc/api/users.md
index a50ba5432feb63653a39207d752af15ac26e3050..041df07c0515048cfa18f84a1fd74f9767cdb2f5 100644
--- a/doc/api/users.md
+++ b/doc/api/users.md
@@ -33,6 +33,18 @@ GET /users
 ]
 ```
 
+In addition, you can filter users based on states eg. `blocked`, `active`
+This works only to filter users who are `blocked` or `active`.
+It does not support `active=false` or `blocked=false`.
+
+```
+GET /users?active=true
+```
+
+```
+GET /users?blocked=true
+```
+
 ### For admins
 
 ```
@@ -120,6 +132,8 @@ For example:
 GET /users?username=jack_smith
 ```
 
+You can search for users who are external with: `/users?external=true`
+
 ## Single user
 
 Get a single user.
diff --git a/lib/api/users.rb b/lib/api/users.rb
index c28e07a76b711f2e5979c97cb7a8e1f3cd321ec6..298c401a816348ac5285e8af434a0f180145bd38 100644
--- a/lib/api/users.rb
+++ b/lib/api/users.rb
@@ -10,6 +10,9 @@ module API
       #  GET /users
       #  GET /users?search=Admin
       #  GET /users?username=root
+      #  GET /users?active=true
+      #  GET /users?external=true
+      #  GET /users?blocked=true
       get do
         unless can?(current_user, :read_users_list, nil)
           render_api_error!("Not authorized.", 403)
@@ -19,8 +22,10 @@ module API
           @users = User.where(username: params[:username])
         else
           @users = User.all
-          @users = @users.active if params[:active].present?
+          @users = @users.active if to_boolean(params[:active])
           @users = @users.search(params[:search]) if params[:search].present?
+          @users = @users.blocked if to_boolean(params[:blocked])
+          @users = @users.external if to_boolean(params[:external]) && current_user.is_admin?
           @users = paginate @users
         end
 
diff --git a/spec/requests/api/users_spec.rb b/spec/requests/api/users_spec.rb
index ae8639d78d5e41f0ca36d3d5a04f9d3b6a8db6fd..34d1f557e4bffab19460ae79b6a66c469a664a98 100644
--- a/spec/requests/api/users_spec.rb
+++ b/spec/requests/api/users_spec.rb
@@ -48,6 +48,17 @@ describe API::API, api: true  do
         end['username']).to eq(username)
       end
 
+      it "returns an array of blocked users" do
+        ldap_blocked_user
+        create(:user, state: 'blocked')
+
+        get api("/users?blocked=true", user)
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_an Array
+        expect(json_response).to all(include('state' => /(blocked|ldap_blocked)/))
+      end
+
       it "returns one user" do
         get api("/users?username=#{omniauth_user.username}", user)
         expect(response).to have_http_status(200)
@@ -69,6 +80,16 @@ describe API::API, api: true  do
         expect(json_response.first.keys).to include 'last_sign_in_at'
         expect(json_response.first.keys).to include 'confirmed_at'
       end
+
+      it "returns an array of external users" do
+        create(:user, external: true)
+
+        get api("/users?external=true", admin)
+
+        expect(response).to have_http_status(200)
+        expect(json_response).to be_an Array
+        expect(json_response).to all(include('external' => true))
+      end
     end
   end