diff --git a/app/controllers/api/v1/points_controller.rb b/app/controllers/api/v1/points_controller.rb
index e80d769a..a70dabdc 100644
--- a/app/controllers/api/v1/points_controller.rb
+++ b/app/controllers/api/v1/points_controller.rb
@@ -31,6 +31,6 @@ class Api::V1::PointsController < ApiController
   private
 
   def point_serializer
-    params[:slim] == 'true' ? SlimPointSerializer : PointSerializer
+    params[:slim] == 'true' ? Api::SlimPointSerializer : Api::PointSerializer
   end
 end
diff --git a/app/serializers/api/point_serializer.rb b/app/serializers/api/point_serializer.rb
new file mode 100644
index 00000000..0f875575
--- /dev/null
+++ b/app/serializers/api/point_serializer.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class Api::PointSerializer < PointSerializer
+  EXCLUDED_ATTRIBUTES = %w[created_at updated_at visit_id import_id user_id raw_data].freeze
+
+  def call
+    point.attributes.except(*EXCLUDED_ATTRIBUTES)
+  end
+end
diff --git a/app/serializers/slim_point_serializer.rb b/app/serializers/api/slim_point_serializer.rb
similarity index 89%
rename from app/serializers/slim_point_serializer.rb
rename to app/serializers/api/slim_point_serializer.rb
index 9d6a0450..76436116 100644
--- a/app/serializers/slim_point_serializer.rb
+++ b/app/serializers/api/slim_point_serializer.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class SlimPointSerializer
+class Api::SlimPointSerializer
   def initialize(point)
     @point = point
   end
diff --git a/app/serializers/point_serializer.rb b/app/serializers/point_serializer.rb
index 3bab9501..270e3e25 100644
--- a/app/serializers/point_serializer.rb
+++ b/app/serializers/point_serializer.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class PointSerializer
-  EXCLUDED_ATTRIBUTES = %w[created_at updated_at visit_id import_id user_id raw_data].freeze
+  EXCLUDED_ATTRIBUTES = %w[created_at updated_at visit_id id import_id user_id raw_data].freeze
 
   def initialize(point)
     @point = point
diff --git a/app/services/exports/create.rb b/app/services/exports/create.rb
index 5fabaf87..36d2cca2 100644
--- a/app/services/exports/create.rb
+++ b/app/services/exports/create.rb
@@ -72,8 +72,9 @@ class Exports::Create
   end
 
   def create_export_file(data)
-    dir_path = Rails.root.join('public', 'exports')
+    dir_path = Rails.root.join('public/exports')
     Dir.mkdir(dir_path) unless Dir.exist?(dir_path)
+
     file_path = dir_path.join("#{export.name}.#{file_format}")
 
     File.open(file_path, 'w') { |file| file.write(data) }
diff --git a/spec/serializers/api/point_serializer_spec.rb b/spec/serializers/api/point_serializer_spec.rb
new file mode 100644
index 00000000..8e7b51e5
--- /dev/null
+++ b/spec/serializers/api/point_serializer_spec.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Api::PointSerializer do
+  describe '#call' do
+    subject(:serializer) { described_class.new(point).call }
+
+    let(:point) { create(:point) }
+    let(:expected_json) { point.attributes.except(*Api::PointSerializer::EXCLUDED_ATTRIBUTES) }
+
+    it 'returns JSON with correct attributes' do
+      expect(serializer.to_json).to eq(expected_json.to_json)
+    end
+
+    it 'does not include excluded attributes' do
+      expect(serializer).not_to include(*Api::PointSerializer::EXCLUDED_ATTRIBUTES)
+    end
+  end
+end
diff --git a/spec/serializers/api/slim_point_serializer_spec.rb b/spec/serializers/api/slim_point_serializer_spec.rb
new file mode 100644
index 00000000..759713b3
--- /dev/null
+++ b/spec/serializers/api/slim_point_serializer_spec.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Api::SlimPointSerializer do
+  describe '#call' do
+    subject(:serializer) { described_class.new(point).call }
+
+    let(:point) { create(:point) }
+    let(:expected_json) { point.attributes.slice('id', 'latitude', 'longitude', 'timestamp') }
+
+    it 'returns JSON with correct attributes' do
+      expect(serializer.to_json).to eq(expected_json.to_json)
+    end
+  end
+end