diff --git a/ruby/rails8-sidekiq/app/Gemfile b/ruby/rails8-sidekiq/app/Gemfile
index 74bf41a74..784dff2a0 100644
--- a/ruby/rails8-sidekiq/app/Gemfile
+++ b/ruby/rails8-sidekiq/app/Gemfile
@@ -16,6 +16,7 @@ gem "turbo-rails"
 gem "stimulus-rails"
 # Build JSON APIs with ease [https://github.com/rails/jbuilder]
 gem "jbuilder"
+gem "graphql"
 
 # Use Active Model has_secure_password [https://guides.rubyonrails.org/active_model_basics.html#securepassword]
 # gem "bcrypt", "~> 3.1.7"
diff --git a/ruby/rails8-sidekiq/app/Gemfile.lock b/ruby/rails8-sidekiq/app/Gemfile.lock
index a7f6d157b..fe9297777 100644
--- a/ruby/rails8-sidekiq/app/Gemfile.lock
+++ b/ruby/rails8-sidekiq/app/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: /integration
   specs:
-    appsignal (4.7.5)
+    appsignal (4.8.4)
       logger
       rack (>= 2.0.0)
 
@@ -116,11 +116,16 @@ GEM
     erubi (1.13.1)
     et-orbi (1.2.11)
       tzinfo
+    fiber-storage (1.0.1)
     fugit (1.11.1)
       et-orbi (~> 1, >= 1.2.11)
       raabro (~> 1.4)
     globalid (1.2.1)
       activesupport (>= 6.1)
+    graphql (2.6.1)
+      base64
+      fiber-storage
+      logger
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
     importmap-rails (2.0.3)
@@ -394,6 +399,7 @@ DEPENDENCIES
   brakeman
   capybara
   debug
+  graphql
   importmap-rails
   jbuilder
   kamal
diff --git a/ruby/rails8-sidekiq/app/app/controllers/examples_controller.rb b/ruby/rails8-sidekiq/app/app/controllers/examples_controller.rb
index 402bd742d..a19994996 100644
--- a/ruby/rails8-sidekiq/app/app/controllers/examples_controller.rb
+++ b/ruby/rails8-sidekiq/app/app/controllers/examples_controller.rb
@@ -1,3 +1,6 @@
+require "net/http"
+require "json"
+
 class ReportError < StandardError; end
 
 class ExamplesController < ApplicationController
@@ -48,6 +51,115 @@ def error_reporter
     render :html => "An error has been reported through the Rails error reporter"
   end
 
+  def graphql_demo
+    query = <<~GRAPHQL
+      query CustomerOverview($customerId: ID!, $ordersLimit: Int!, $status: OrderStatus) {
+        customer(id: $customerId) {
+          id
+          fullName
+          tier
+          loyaltyPoints
+          primaryAddress {
+            city
+            country
+          }
+          orders(limit: $ordersLimit, status: $status) {
+            id
+            orderNumber
+            status
+            total {
+              amount
+              currency
+            }
+            lineItems {
+              sku
+              quantity
+              totalPrice {
+                amount
+                currency
+              }
+              product {
+                id
+                name
+                category
+                supplier {
+                  name
+                  region
+                }
+              }
+            }
+            shipment {
+              carrier
+              trackingNumber
+              estimatedDeliveryOn
+            }
+          }
+        }
+      }
+
+      query WarehouseOperations($warehouseId: ID!, $productQuery: String!, $limit: Int!) {
+        warehouse(id: $warehouseId) {
+          id
+          code
+          name
+          address {
+            city
+            country
+          }
+          inventorySnapshots {
+            productId
+            available
+            reserved
+            reorderThreshold
+            onHand
+          }
+        }
+        searchProducts(query: $productQuery, limit: $limit) {
+          id
+          name
+          category
+          unitPrice {
+            amount
+            currency
+          }
+          supplier {
+            id
+            name
+          }
+        }
+      }
+    GRAPHQL
+
+    batch_payload = [
+      {
+        query: query,
+        operationName: "CustomerOverview",
+        variables: {
+          customerId: "cust-001",
+          ordersLimit: 2,
+          status: "SHIPPED"
+        }
+      },
+      {
+        query: query,
+        operationName: "WarehouseOperations",
+        variables: {
+          warehouseId: "wh-east-1",
+          productQuery: "pro",
+          limit: 3
+        }
+      }
+    ]
+
+    response = post_graphql_request(batch_payload)
+
+    render json: {
+      description: "Batch request with multiple operationName values in one HTTP request",
+      request_payload: batch_payload,
+      graphql_response: response[:body]
+    }, status: response[:status]
+  end
+
   def queries
     user_count = User.count
     User.destroy_all if user_count > 10_000
@@ -57,6 +169,36 @@ def queries
     end
     @users = User.all
   end
+
+  private
+
+  def post_graphql_request(payload)
+    uri = URI.parse("#{request.base_url}/graphql")
+    http = Net::HTTP.new(uri.host, uri.port)
+    http.use_ssl = uri.scheme == "https"
+
+    request = Net::HTTP::Post.new(uri.request_uri)
+    request["Content-Type"] = "application/json"
+    request.body = payload.to_json
+
+    response = http.request(request)
+    {
+      status: response.code.to_i,
+      body: JSON.parse(response.body)
+    }
+  rescue JSON::ParserError
+    {
+      status: :bad_gateway,
+      body: {
+        errors: [
+          {
+            message: "GraphQL endpoint returned invalid JSON",
+            raw_body: response&.body
+          }
+        ]
+      }
+    }
+  end
 end
 
 class CauseCauser
diff --git a/ruby/rails8-sidekiq/app/app/controllers/graphql_controller.rb b/ruby/rails8-sidekiq/app/app/controllers/graphql_controller.rb
new file mode 100644
index 000000000..3ffd8b2ad
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/controllers/graphql_controller.rb
@@ -0,0 +1,72 @@
+class GraphqlController < ApplicationController
+  skip_forgery_protection
+
+  def execute
+    if batch_request?
+      render json: ExampleAppSchema.multiplex(multiplex_payload)
+    else
+      render json: ExampleAppSchema.execute(
+        params[:query],
+        variables: prepare_variables(params[:variables]),
+        operation_name: params[:operationName],
+        context: graphql_context
+      )
+    end
+  rescue StandardError => e
+    render json: { errors: [{ message: e.message }] }, status: :unprocessable_entity
+  ensure
+    transaction_name = params[:operationName] || "Unknown"
+    puts "!!! controller transaction name: #{transaction_name}"
+    Appsignal::Transaction.current.set_action(transaction_name)
+  end
+
+  private
+
+  def batch_request?
+    params[:_json].is_a?(Array)
+  end
+
+  def multiplex_payload
+    params[:_json].map do |entry|
+      payload = normalize_entry(entry)
+      puts "!!! controller multiplex action name: #{payload["operationName"] || payload[:operationName]}"
+      {
+        query: payload["query"] || payload[:query],
+        variables: prepare_variables(payload["variables"] || payload[:variables]),
+        operation_name: payload["operationName"] || payload[:operationName],
+        context: graphql_context
+      }
+    end
+  end
+
+  def normalize_entry(entry)
+    if entry.respond_to?(:to_unsafe_h)
+      entry.to_unsafe_h
+    else
+      entry.to_h
+    end
+  end
+
+  def graphql_context
+    {
+      request_id: request.request_id,
+      remote_ip: request.remote_ip,
+      :set_appsignal_action_name => true
+    }
+  end
+
+  def prepare_variables(variables_param)
+    case variables_param
+    when String
+      variables_param.present? ? prepare_variables(JSON.parse(variables_param)) : {}
+    when ActionController::Parameters
+      variables_param.to_unsafe_h
+    when Hash
+      variables_param
+    when nil
+      {}
+    else
+      raise ArgumentError, "Unexpected variables format: #{variables_param.class}"
+    end
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/example_app_schema.rb b/ruby/rails8-sidekiq/app/app/graphql/example_app_schema.rb
new file mode 100644
index 000000000..b2093fc07
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/example_app_schema.rb
@@ -0,0 +1,4 @@
+class ExampleAppSchema < GraphQL::Schema
+  trace_with(GraphQL::Tracing::AppsignalTrace)
+  query Types::QueryType
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/graphql_demo_data.rb b/ruby/rails8-sidekiq/app/app/graphql/graphql_demo_data.rb
new file mode 100644
index 000000000..da87c15fe
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/graphql_demo_data.rb
@@ -0,0 +1,307 @@
+module GraphqlDemoData
+  module_function
+
+  SUPPLIERS = [
+    { id: "sup-001", name: "Northwind Parts Co.", region: "North America", rating: 4.7 },
+    { id: "sup-002", name: "Helios Fabrication", region: "Europe", rating: 4.4 },
+    { id: "sup-003", name: "Pacific Components", region: "APAC", rating: 4.8 }
+  ].freeze
+
+  PRODUCTS = [
+    {
+      id: "prod-001",
+      sku: "PRM-CHAIR-01",
+      name: "Pro Ergonomic Chair",
+      category: "furniture",
+      supplier_id: "sup-001",
+      unit_price_cents: 42_500
+    },
+    {
+      id: "prod-002",
+      sku: "STM-DESK-02",
+      name: "Standing Desk Max",
+      category: "furniture",
+      supplier_id: "sup-002",
+      unit_price_cents: 75_000
+    },
+    {
+      id: "prod-003",
+      sku: "MKY-KEYB-03",
+      name: "Mechanical Keyboard Pro",
+      category: "accessories",
+      supplier_id: "sup-003",
+      unit_price_cents: 13_500
+    },
+    {
+      id: "prod-004",
+      sku: "4K-MON-04",
+      name: "4K Monitor 27in",
+      category: "displays",
+      supplier_id: "sup-001",
+      unit_price_cents: 31_999
+    }
+  ].freeze
+
+  CUSTOMERS = [
+    {
+      id: "cust-001",
+      email: "alex.rivera@example.com",
+      first_name: "Alex",
+      last_name: "Rivera",
+      tier: "GOLD",
+      loyalty_points: 12_450,
+      primary_address: {
+        line1: "145 Spring St",
+        line2: nil,
+        city: "New York",
+        state: "NY",
+        postal_code: "10012",
+        country: "US"
+      }
+    },
+    {
+      id: "cust-002",
+      email: "mina.cho@example.com",
+      first_name: "Mina",
+      last_name: "Cho",
+      tier: "SILVER",
+      loyalty_points: 3_880,
+      primary_address: {
+        line1: "24 Docklands Ave",
+        line2: "Unit 8",
+        city: "Melbourne",
+        state: "VIC",
+        postal_code: "3008",
+        country: "AU"
+      }
+    }
+  ].freeze
+
+  WAREHOUSES = [
+    {
+      id: "wh-east-1",
+      code: "USE1",
+      name: "US East Fulfillment",
+      timezone: "America/New_York",
+      address: {
+        line1: "200 Harbor Rd",
+        line2: nil,
+        city: "Newark",
+        state: "NJ",
+        postal_code: "07105",
+        country: "US"
+      }
+    },
+    {
+      id: "wh-eu-1",
+      code: "EUC1",
+      name: "EU Central Fulfillment",
+      timezone: "Europe/Amsterdam",
+      address: {
+        line1: "75 Kanaalweg",
+        line2: nil,
+        city: "Rotterdam",
+        state: "ZH",
+        postal_code: "3011",
+        country: "NL"
+      }
+    }
+  ].freeze
+
+  INVENTORY_SNAPSHOTS = [
+    { warehouse_id: "wh-east-1", product_id: "prod-001", available: 72, reserved: 8, reorder_threshold: 15 },
+    { warehouse_id: "wh-east-1", product_id: "prod-002", available: 19, reserved: 4, reorder_threshold: 10 },
+    { warehouse_id: "wh-east-1", product_id: "prod-003", available: 205, reserved: 13, reorder_threshold: 40 },
+    { warehouse_id: "wh-east-1", product_id: "prod-004", available: 34, reserved: 3, reorder_threshold: 8 },
+    { warehouse_id: "wh-eu-1", product_id: "prod-001", available: 14, reserved: 2, reorder_threshold: 7 },
+    { warehouse_id: "wh-eu-1", product_id: "prod-003", available: 89, reserved: 5, reorder_threshold: 20 }
+  ].freeze
+
+  ORDERS = [
+    {
+      id: "ord-1001",
+      order_number: "SO-2026-1001",
+      customer_id: "cust-001",
+      status: "SHIPPED",
+      placed_at: Time.utc(2026, 3, 10, 14, 15, 0),
+      billing_address: {
+        line1: "145 Spring St",
+        line2: nil,
+        city: "New York",
+        state: "NY",
+        postal_code: "10012",
+        country: "US"
+      },
+      shipping_address: {
+        line1: "145 Spring St",
+        line2: nil,
+        city: "New York",
+        state: "NY",
+        postal_code: "10012",
+        country: "US"
+      },
+      shipment: {
+        carrier: "DHL",
+        service_level: "EXPRESS",
+        tracking_number: "DHL123456789US",
+        estimated_delivery_on: Date.new(2026, 3, 14),
+        shipped_at: Time.utc(2026, 3, 11, 9, 5, 0),
+        status: "IN_TRANSIT"
+      },
+      line_items: [
+        { sku: "PRM-CHAIR-01", quantity: 2, product_id: "prod-001", unit_price_cents: 42_500, discount_cents: 3_000 },
+        { sku: "MKY-KEYB-03", quantity: 1, product_id: "prod-003", unit_price_cents: 13_500, discount_cents: 0 }
+      ]
+    },
+    {
+      id: "ord-1002",
+      order_number: "SO-2026-1027",
+      customer_id: "cust-001",
+      status: "PROCESSING",
+      placed_at: Time.utc(2026, 4, 1, 8, 45, 0),
+      billing_address: {
+        line1: "145 Spring St",
+        line2: nil,
+        city: "New York",
+        state: "NY",
+        postal_code: "10012",
+        country: "US"
+      },
+      shipping_address: {
+        line1: "605 Market St",
+        line2: "Suite 300",
+        city: "San Francisco",
+        state: "CA",
+        postal_code: "94105",
+        country: "US"
+      },
+      shipment: {
+        carrier: "UPS",
+        service_level: "GROUND",
+        tracking_number: "",
+        estimated_delivery_on: Date.new(2026, 4, 6),
+        shipped_at: nil,
+        status: "LABEL_CREATED"
+      },
+      line_items: [
+        { sku: "STM-DESK-02", quantity: 1, product_id: "prod-002", unit_price_cents: 75_000, discount_cents: 5_000 },
+        { sku: "4K-MON-04", quantity: 2, product_id: "prod-004", unit_price_cents: 31_999, discount_cents: 2_000 }
+      ]
+    },
+    {
+      id: "ord-1003",
+      order_number: "SO-2026-1055",
+      customer_id: "cust-002",
+      status: "DELIVERED",
+      placed_at: Time.utc(2026, 2, 20, 22, 10, 0),
+      billing_address: {
+        line1: "24 Docklands Ave",
+        line2: "Unit 8",
+        city: "Melbourne",
+        state: "VIC",
+        postal_code: "3008",
+        country: "AU"
+      },
+      shipping_address: {
+        line1: "24 Docklands Ave",
+        line2: "Unit 8",
+        city: "Melbourne",
+        state: "VIC",
+        postal_code: "3008",
+        country: "AU"
+      },
+      shipment: {
+        carrier: "FedEx",
+        service_level: "PRIORITY",
+        tracking_number: "FX5566778899",
+        estimated_delivery_on: Date.new(2026, 2, 25),
+        shipped_at: Time.utc(2026, 2, 21, 6, 30, 0),
+        status: "DELIVERED"
+      },
+      line_items: [
+        { sku: "MKY-KEYB-03", quantity: 3, product_id: "prod-003", unit_price_cents: 13_500, discount_cents: 1_500 }
+      ]
+    }
+  ].freeze
+
+  def customer(id)
+    CUSTOMERS.find { |record| record[:id] == id }
+  end
+
+  def customers(tier: nil, limit: nil)
+    result = CUSTOMERS
+    result = result.select { |record| record[:tier] == tier } if tier.present?
+    limit.present? ? result.first(limit) : result
+  end
+
+  def order(id)
+    ORDERS.find { |record| record[:id] == id }
+  end
+
+  def orders_for_customer(customer_id, status: nil, limit: nil)
+    result = ORDERS.select { |record| record[:customer_id] == customer_id }
+    result = result.select { |record| record[:status] == status } if status.present?
+    result = result.sort_by { |record| record[:placed_at] }.reverse
+    limit.present? ? result.first(limit) : result
+  end
+
+  def warehouse(id)
+    WAREHOUSES.find { |record| record[:id] == id }
+  end
+
+  def warehouses
+    WAREHOUSES
+  end
+
+  def supplier(id)
+    SUPPLIERS.find { |record| record[:id] == id }
+  end
+
+  def product(id)
+    PRODUCTS.find { |record| record[:id] == id }
+  end
+
+  def search_products(query, limit)
+    normalized = query.to_s.downcase
+    result = PRODUCTS.select do |record|
+      record[:name].downcase.include?(normalized) ||
+        record[:sku].downcase.include?(normalized) ||
+        record[:category].downcase.include?(normalized)
+    end
+    result.first(limit)
+  end
+
+  def inventory_for_product(product_id)
+    INVENTORY_SNAPSHOTS.select { |snapshot| snapshot[:product_id] == product_id }
+  end
+
+  def inventory_for_warehouse(warehouse_id, product_ids: nil)
+    result = INVENTORY_SNAPSHOTS.select { |snapshot| snapshot[:warehouse_id] == warehouse_id }
+    result = result.select { |snapshot| product_ids.include?(snapshot[:product_id]) } if product_ids.present?
+    result
+  end
+
+  def money(cents, currency = "USD")
+    {
+      amount: (cents.to_f / 100).round(2),
+      currency: currency
+    }
+  end
+
+  def line_item_total_cents(line_item)
+    gross = line_item[:unit_price_cents] * line_item[:quantity]
+    [gross - line_item[:discount_cents], 0].max
+  end
+
+  def order_subtotal_cents(order)
+    order[:line_items].sum { |line_item| line_item[:unit_price_cents] * line_item[:quantity] }
+  end
+
+  def order_total_cents(order)
+    order[:line_items].sum { |line_item| line_item_total_cents(line_item) }
+  end
+
+  def customer_total_spend_cents(customer_id)
+    orders_for_customer(customer_id).sum { |order| order_total_cents(order) }
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/address_type.rb b/ruby/rails8-sidekiq/app/app/graphql/types/address_type.rb
new file mode 100644
index 000000000..b822a901a
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/address_type.rb
@@ -0,0 +1,10 @@
+module Types
+  class AddressType < Types::BaseObject
+    field :line1, String, null: false
+    field :line2, String, null: true
+    field :city, String, null: false
+    field :state, String, null: false
+    field :postal_code, String, null: false
+    field :country, String, null: false
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/base_enum.rb b/ruby/rails8-sidekiq/app/app/graphql/types/base_enum.rb
new file mode 100644
index 000000000..b45a845f7
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/base_enum.rb
@@ -0,0 +1,4 @@
+module Types
+  class BaseEnum < GraphQL::Schema::Enum
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/base_object.rb b/ruby/rails8-sidekiq/app/app/graphql/types/base_object.rb
new file mode 100644
index 000000000..40a81ccd2
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/base_object.rb
@@ -0,0 +1,4 @@
+module Types
+  class BaseObject < GraphQL::Schema::Object
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/customer_tier_enum.rb b/ruby/rails8-sidekiq/app/app/graphql/types/customer_tier_enum.rb
new file mode 100644
index 000000000..059c9830d
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/customer_tier_enum.rb
@@ -0,0 +1,10 @@
+module Types
+  class CustomerTierEnum < Types::BaseEnum
+    graphql_name "CustomerTier"
+
+    value "BRONZE"
+    value "SILVER"
+    value "GOLD"
+    value "PLATINUM"
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/customer_type.rb b/ruby/rails8-sidekiq/app/app/graphql/types/customer_type.rb
new file mode 100644
index 000000000..c515713ab
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/customer_type.rb
@@ -0,0 +1,29 @@
+module Types
+  class CustomerType < Types::BaseObject
+    field :id, ID, null: false
+    field :email, String, null: false
+    field :first_name, String, null: false
+    field :last_name, String, null: false
+    field :full_name, String, null: false
+    field :tier, Types::CustomerTierEnum, null: false
+    field :loyalty_points, Integer, null: false
+    field :primary_address, Types::AddressType, null: false
+    field :orders, [ "Types::OrderType" ], null: false do
+      argument :status, Types::OrderStatusEnum, required: false
+      argument :limit, Integer, required: false
+    end
+    field :total_spend, Types::MoneyType, null: false
+
+    def full_name
+      "#{object[:first_name]} #{object[:last_name]}"
+    end
+
+    def orders(status: nil, limit: nil)
+      GraphqlDemoData.orders_for_customer(object[:id], status:, limit:)
+    end
+
+    def total_spend
+      GraphqlDemoData.money(GraphqlDemoData.customer_total_spend_cents(object[:id]))
+    end
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/inventory_snapshot_type.rb b/ruby/rails8-sidekiq/app/app/graphql/types/inventory_snapshot_type.rb
new file mode 100644
index 000000000..b628bdf5a
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/inventory_snapshot_type.rb
@@ -0,0 +1,14 @@
+module Types
+  class InventorySnapshotType < Types::BaseObject
+    field :product_id, ID, null: false
+    field :warehouse_id, ID, null: false
+    field :available, Integer, null: false
+    field :reserved, Integer, null: false
+    field :reorder_threshold, Integer, null: false
+    field :on_hand, Integer, null: false
+
+    def on_hand
+      object[:available] + object[:reserved]
+    end
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/line_item_type.rb b/ruby/rails8-sidekiq/app/app/graphql/types/line_item_type.rb
new file mode 100644
index 000000000..0bdea5734
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/line_item_type.rb
@@ -0,0 +1,26 @@
+module Types
+  class LineItemType < Types::BaseObject
+    field :sku, String, null: false
+    field :quantity, Integer, null: false
+    field :unit_price, Types::MoneyType, null: false
+    field :discount, Types::MoneyType, null: false
+    field :total_price, Types::MoneyType, null: false
+    field :product, Types::ProductType, null: false
+
+    def unit_price
+      GraphqlDemoData.money(object[:unit_price_cents])
+    end
+
+    def discount
+      GraphqlDemoData.money(object[:discount_cents])
+    end
+
+    def total_price
+      GraphqlDemoData.money(GraphqlDemoData.line_item_total_cents(object))
+    end
+
+    def product
+      GraphqlDemoData.product(object[:product_id])
+    end
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/money_type.rb b/ruby/rails8-sidekiq/app/app/graphql/types/money_type.rb
new file mode 100644
index 000000000..7b9b13a68
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/money_type.rb
@@ -0,0 +1,6 @@
+module Types
+  class MoneyType < Types::BaseObject
+    field :amount, Float, null: false
+    field :currency, String, null: false
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/order_status_enum.rb b/ruby/rails8-sidekiq/app/app/graphql/types/order_status_enum.rb
new file mode 100644
index 000000000..85354e5dc
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/order_status_enum.rb
@@ -0,0 +1,11 @@
+module Types
+  class OrderStatusEnum < Types::BaseEnum
+    graphql_name "OrderStatus"
+
+    value "PENDING"
+    value "PROCESSING"
+    value "SHIPPED"
+    value "DELIVERED"
+    value "CANCELLED"
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/order_type.rb b/ruby/rails8-sidekiq/app/app/graphql/types/order_type.rb
new file mode 100644
index 000000000..124515beb
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/order_type.rb
@@ -0,0 +1,27 @@
+module Types
+  class OrderType < Types::BaseObject
+    field :id, ID, null: false
+    field :order_number, String, null: false
+    field :status, Types::OrderStatusEnum, null: false
+    field :placed_at, GraphQL::Types::ISO8601DateTime, null: false
+    field :billing_address, Types::AddressType, null: false
+    field :shipping_address, Types::AddressType, null: false
+    field :shipment, Types::ShipmentType, null: false
+    field :line_items, [ Types::LineItemType ], null: false
+    field :subtotal, Types::MoneyType, null: false
+    field :total, Types::MoneyType, null: false
+    field :customer, Types::CustomerType, null: false
+
+    def subtotal
+      GraphqlDemoData.money(GraphqlDemoData.order_subtotal_cents(object))
+    end
+
+    def total
+      GraphqlDemoData.money(GraphqlDemoData.order_total_cents(object))
+    end
+
+    def customer
+      GraphqlDemoData.customer(object[:customer_id])
+    end
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/product_type.rb b/ruby/rails8-sidekiq/app/app/graphql/types/product_type.rb
new file mode 100644
index 000000000..114030da8
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/product_type.rb
@@ -0,0 +1,23 @@
+module Types
+  class ProductType < Types::BaseObject
+    field :id, ID, null: false
+    field :sku, String, null: false
+    field :name, String, null: false
+    field :category, String, null: false
+    field :unit_price, Types::MoneyType, null: false
+    field :supplier, Types::SupplierType, null: false
+    field :inventory_snapshots, [ Types::InventorySnapshotType ], null: false
+
+    def unit_price
+      GraphqlDemoData.money(object[:unit_price_cents])
+    end
+
+    def supplier
+      GraphqlDemoData.supplier(object[:supplier_id])
+    end
+
+    def inventory_snapshots
+      GraphqlDemoData.inventory_for_product(object[:id])
+    end
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/query_type.rb b/ruby/rails8-sidekiq/app/app/graphql/types/query_type.rb
new file mode 100644
index 000000000..a157f1d61
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/query_type.rb
@@ -0,0 +1,51 @@
+module Types
+  class QueryType < Types::BaseObject
+    field :customer, Types::CustomerType, null: true do
+      argument :id, ID, required: true
+    end
+
+    field :customers, [ Types::CustomerType ], null: false do
+      argument :tier, Types::CustomerTierEnum, required: false
+      argument :limit, Integer, required: false, default_value: 20
+    end
+
+    field :order, Types::OrderType, null: true do
+      argument :id, ID, required: true
+    end
+
+    field :warehouse, Types::WarehouseType, null: true do
+      argument :id, ID, required: true
+    end
+
+    field :warehouses, [ Types::WarehouseType ], null: false
+
+    field :search_products, [ Types::ProductType ], null: false do
+      argument :query, String, required: true
+      argument :limit, Integer, required: false, default_value: 10
+    end
+
+    def customer(id:)
+      GraphqlDemoData.customer(id)
+    end
+
+    def customers(tier: nil, limit: 20)
+      GraphqlDemoData.customers(tier:, limit:)
+    end
+
+    def order(id:)
+      GraphqlDemoData.order(id)
+    end
+
+    def warehouse(id:)
+      GraphqlDemoData.warehouse(id)
+    end
+
+    def warehouses
+      GraphqlDemoData.warehouses
+    end
+
+    def search_products(query:, limit: 10)
+      GraphqlDemoData.search_products(query, limit)
+    end
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/shipment_type.rb b/ruby/rails8-sidekiq/app/app/graphql/types/shipment_type.rb
new file mode 100644
index 000000000..07aad6cc5
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/shipment_type.rb
@@ -0,0 +1,10 @@
+module Types
+  class ShipmentType < Types::BaseObject
+    field :carrier, String, null: false
+    field :service_level, String, null: false
+    field :tracking_number, String, null: false
+    field :estimated_delivery_on, GraphQL::Types::ISO8601Date, null: false
+    field :shipped_at, GraphQL::Types::ISO8601DateTime, null: true
+    field :status, String, null: false
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/supplier_type.rb b/ruby/rails8-sidekiq/app/app/graphql/types/supplier_type.rb
new file mode 100644
index 000000000..667a94ea3
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/supplier_type.rb
@@ -0,0 +1,8 @@
+module Types
+  class SupplierType < Types::BaseObject
+    field :id, ID, null: false
+    field :name, String, null: false
+    field :region, String, null: false
+    field :rating, Float, null: false
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/graphql/types/warehouse_type.rb b/ruby/rails8-sidekiq/app/app/graphql/types/warehouse_type.rb
new file mode 100644
index 000000000..c95edb18f
--- /dev/null
+++ b/ruby/rails8-sidekiq/app/app/graphql/types/warehouse_type.rb
@@ -0,0 +1,16 @@
+module Types
+  class WarehouseType < Types::BaseObject
+    field :id, ID, null: false
+    field :code, String, null: false
+    field :name, String, null: false
+    field :timezone, String, null: false
+    field :address, Types::AddressType, null: false
+    field :inventory_snapshots, [ Types::InventorySnapshotType ], null: false do
+      argument :product_ids, [ ID ], required: false
+    end
+
+    def inventory_snapshots(product_ids: nil)
+      GraphqlDemoData.inventory_for_warehouse(object[:id], product_ids:)
+    end
+  end
+end
diff --git a/ruby/rails8-sidekiq/app/app/views/examples/index.html.erb b/ruby/rails8-sidekiq/app/app/views/examples/index.html.erb
index 8670288b4..96aef85a6 100644
--- a/ruby/rails8-sidekiq/app/app/views/examples/index.html.erb
+++ b/ruby/rails8-sidekiq/app/app/views/examples/index.html.erb
@@ -6,6 +6,7 @@
   <li><%= link_to "Request with error cause", error_cause_path %></li>
   <li><%= link_to "Request with custom cause", custom_error_path %></li>
   <li><%= link_to "Error reporter test", error_reporter_path %></li>
+  <li><%= link_to "GraphQL batch demo", "/examples/graphql_demo" %></li>
   <li><%= link_to "Sidekiq workers", workers_path %></li>
   <li><%= link_to "Posts", posts_path %></li>
 </ul>
diff --git a/ruby/rails8-sidekiq/app/config/routes.rb b/ruby/rails8-sidekiq/app/config/routes.rb
index acc1551f7..32f7cdca0 100644
--- a/ruby/rails8-sidekiq/app/config/routes.rb
+++ b/ruby/rails8-sidekiq/app/config/routes.rb
@@ -16,6 +16,8 @@
   get "/error_cause", to: "examples#error_cause"
   get "/error_reporter", to: "examples#error_reporter"
   get "/custom_error", to: "examples#custom_error"
+  get "/examples/graphql_demo", to: "examples#graphql_demo"
+  post "/graphql", to: "graphql#execute"
 
   resources :posts
 end