diff --git a/app/javascript/dashboard/components-next/message/bubbles/Form.vue b/app/javascript/dashboard/components-next/message/bubbles/Form.vue
index ca9af4994..12cfafa8f 100644
--- a/app/javascript/dashboard/components-next/message/bubbles/Form.vue
+++ b/app/javascript/dashboard/components-next/message/bubbles/Form.vue
@@ -4,9 +4,11 @@ import BaseBubble from './Base.vue';
 import { useI18n } from 'vue-i18n';
 import { CONTENT_TYPES } from '../constants.js';
 import { useMessageContext } from '../provider.js';
+import { useInbox } from 'dashboard/composables/useInbox';
 
 const { content, contentAttributes, contentType } = useMessageContext();
 const { t } = useI18n();
+const { isAWebWidgetInbox } = useInbox();
 
 const formValues = computed(() => {
   if (contentType.value === CONTENT_TYPES.FORM) {
@@ -56,7 +58,7 @@ const formValues = computed(() => {
         <dd>{{ item.title }}</dd>
       </template>
     </dl>
-    <div v-else class="my-2 font-medium">
+    <div v-else-if="isAWebWidgetInbox" class="my-2 font-medium">
       {{ t('CONVERSATION.NO_RESPONSE') }}
     </div>
   </BaseBubble>
diff --git a/app/services/line/send_on_line_service.rb b/app/services/line/send_on_line_service.rb
index 03ebe0ab7..057eb09e2 100644
--- a/app/services/line/send_on_line_service.rb
+++ b/app/services/line/send_on_line_service.rb
@@ -22,6 +22,14 @@ class Line::SendOnLineService < Base::SendOnChannelService
   end
 
   def build_payload
+    if message.content_type == 'input_select' && message.content_attributes['items'].any?
+      build_input_select_payload
+    else
+      build_text_payload
+    end
+  end
+
+  def build_text_payload
     if message.content && message.attachments.any?
       [text_message, *attachments]
     elsif message.content.nil? && message.attachments.any?
@@ -52,6 +60,43 @@ class Line::SendOnLineService < Base::SendOnChannelService
     }
   end
 
+  # https://developers.line.biz/en/reference/messaging-api/#flex-message
+  def build_input_select_payload
+    {
+      type: 'flex',
+      altText: message.content,
+      contents: {
+        type: 'bubble',
+        body: {
+          type: 'box',
+          layout: 'vertical',
+          contents: [
+            {
+              type: 'text',
+              text: message.content
+            },
+            *input_select_to_button
+          ]
+        }
+      }
+    }
+  end
+
+  def input_select_to_button
+    message.content_attributes['items'].map do |item|
+      {
+        type: 'button',
+        style: 'link',
+        height: 'sm',
+        action: {
+          type: 'message',
+          label: item['title'],
+          text: item['value']
+        }
+      }
+    end
+  end
+
   # https://developers.line.biz/en/reference/messaging-api/#error-responses
   def external_error(error)
     # Message containing information about the error. See https://developers.line.biz/en/reference/messaging-api/#error-messages
diff --git a/spec/services/line/send_on_line_service_spec.rb b/spec/services/line/send_on_line_service_spec.rb
index bed8917b8..5352565e7 100644
--- a/spec/services/line/send_on_line_service_spec.rb
+++ b/spec/services/line/send_on_line_service_spec.rb
@@ -93,6 +93,69 @@ describe Line::SendOnLineService do
       end
     end
 
+    context 'with message input_select' do
+      let(:success_response) do
+        {
+          'message' => 'ok'
+        }.to_json
+      end
+
+      let(:expect_message) do
+        {
+          type: 'flex',
+          altText: 'test',
+          contents: {
+            type: 'bubble',
+            body: {
+              type: 'box',
+              layout: 'vertical',
+              contents: [
+                {
+                  type: 'text',
+                  text: 'test'
+                },
+                {
+                  type: 'button',
+                  style: 'link',
+                  height: 'sm',
+                  action: {
+                    type: 'message',
+                    label: 'text 1',
+                    text: 'value 1'
+                  }
+                },
+                {
+                  type: 'button',
+                  style: 'link',
+                  height: 'sm',
+                  action: {
+                    type: 'message',
+                    label: 'text 2',
+                    text: 'value 2'
+                  }
+                }
+              ]
+            }
+          }
+        }
+      end
+
+      it 'sends the message with input_select' do
+        message = create(
+          :message, message_type: :outgoing, content: 'test', content_type: 'input_select',
+                    content_attributes: { 'items' => [{ 'title' => 'text 1', 'value' => 'value 1' }, { 'title' => 'text 2', 'value' => 'value 2' }] },
+                    conversation: create(:conversation, inbox: line_channel.inbox)
+        )
+
+        expect(line_client).to receive(:push_message).with(
+          message.conversation.contact_inbox.source_id,
+          expect_message
+        ).and_return(OpenStruct.new(code: '200', body: success_response))
+
+        described_class.new(message: message).perform
+      end
+    end
+
     context 'with message attachments' do
       it 'sends the message with text and attachments' do
         attachment = message.attachments.new(account_id: message.account_id, file_type: :image)