stripe_billing_version should be integer two

app/views/api/v1/models/_account.json.jbuilder

@@ -7,6 +7,8 @@ if resource.custom_attributes.present?
     json.subscription_status resource.custom_attributes['subscription_status']
     json.subscription_ends_on resource.custom_attributes['subscription_ends_on']
     json.stripe_subscription_id resource.custom_attributes['stripe_subscription_id'] if resource.custom_attributes['stripe_subscription_id'].present?
+    json.stripe_billing_version resource.custom_attributes['stripe_billing_version'] if resource.custom_attributes['stripe_billing_version'].present?
+    json.stripe_customer_id resource.custom_attributes['stripe_customer_id'] if resource.custom_attributes['stripe_customer_id'].present?
     if resource.custom_attributes['pending_stripe_pricing_plan_id'].present?
       json.pending_stripe_pricing_plan_id resource.custom_attributes['pending_stripe_pricing_plan_id']
     end

enterprise/app/jobs/enterprise/billing/credit_sync_job.rb

@@ -15,7 +15,7 @@ class Enterprise::Billing::CreditSyncJob < ApplicationJob
     Rails.logger.info '[CreditSyncJob] Starting credit sync for all accounts'
 
     accounts_with_stripe = Account.where(
-      "custom_attributes->>'stripe_customer_id' IS NOT NULL AND custom_attributes->>'stripe_billing_version' = '2'"
+      "custom_attributes->>'stripe_customer_id' IS NOT NULL AND custom_attributes->>'stripe_billing_version' = 2"
     )
     synced_count = 0
     failed_count = 0

enterprise/app/services/enterprise/billing/create_stripe_customer_service.rb

@@ -57,7 +57,7 @@ class Enterprise::Billing::CreateStripeCustomerService
 
     attributes = {
       stripe_customer_id: customer_id,
-      stripe_billing_version: '2'
+      stripe_billing_version: 2
     }
 
     if hacker_plan_config&.value.present?

spec/enterprise/services/enterprise/billing/create_stripe_customer_service_spec.rb

@@ -54,7 +54,7 @@ describe Enterprise::Billing::CreateStripeCustomerService do
         expect(Stripe::Customer).to have_received(:create).with({ name: account.name, email: admin1.email })
         expect(account.reload.custom_attributes).to include(
           'stripe_customer_id' => 'cus_random_number',
-          'stripe_billing_version' => '2',
+          'stripe_billing_version' => 2,
           'stripe_pricing_plan_id' => 'bpp_hacker_123',
           'plan_name' => 'Hacker',
           'subscribed_quantity' => 2
@@ -79,7 +79,7 @@ describe Enterprise::Billing::CreateStripeCustomerService do
         expect(Stripe::Customer).not_to have_received(:create)
         expect(account.reload.custom_attributes).to include(
           'stripe_customer_id' => 'cus_existing_v2',
-          'stripe_billing_version' => '2',
+          'stripe_billing_version' => 2,
           'stripe_pricing_plan_id' => 'bpp_hacker_123',
           'plan_name' => 'Hacker',
           'subscribed_quantity' => 2

spec/enterprise/services/enterprise/billing/v2/usage_reporter_service_spec.rb

@@ -1,7 +1,7 @@
 require 'rails_helper'
 
 describe Enterprise::Billing::V2::UsageReporterService do
-  let(:account) { create(:account, custom_attributes: { 'stripe_billing_version' => '2', 'stripe_customer_id' => 'cus_123' }) }
+  let(:account) { create(:account, custom_attributes: { 'stripe_billing_version' => 2, 'stripe_customer_id' => 'cus_123' }) }
   let(:service) { described_class.new(account: account) }
 
   describe '#report' do