diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 6428b504a..5d207e463 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -27,7 +27,7 @@ class ApplicationController < ActionController::Base
   private
 
     def authenticate_http_basic
-      if Rails.env.staging? || Rails.env.production?
+      if Rails.env.staging? || Rails.env.preproduction? || Rails.env.production?
         authenticate_or_request_with_http_basic do |username, password|
           username == Rails.application.secrets.http_basic_username && password == Rails.application.secrets.http_basic_password
         end
diff --git a/lib/census_api.rb b/lib/census_api.rb
index 9b6f200ef..a0403f6b0 100644
--- a/lib/census_api.rb
+++ b/lib/census_api.rb
@@ -49,7 +49,7 @@ class CensusApi
   end
 
   def end_point_available?
-    Rails.env.staging? || Rails.env.production?
+    Rails.env.staging? || Rails.env.preproduction? || Rails.env.production?
   end
 
   def stubbed_response
diff --git a/lib/sms_api.rb b/lib/sms_api.rb
index 886ed7f34..9192f2178 100644
--- a/lib/sms_api.rb
+++ b/lib/sms_api.rb
@@ -34,7 +34,7 @@ class SMSApi
   end
 
   def end_point_available?
-    Rails.env.staging? || Rails.env.production?
+    Rails.env.staging? || Rails.env.preproduction? || Rails.env.production?
   end
 
   def stubbed_response