diff --git a/docs/_pages/index.md b/docs/_pages/index.md
index fa2ae94..36332ac 100644
--- a/docs/_pages/index.md
+++ b/docs/_pages/index.md
@@ -112,6 +112,8 @@ Authorization Code Flow のみに対応しています。
 
 **この記事は GraphQL についての説明はしていませんので、GraphQL 自体の仕様について[GraphQL公式サイト](https://graphql.org/)等でご確認ください。**
 
+GraphQLの[スキーマ](schema)は `bin/console eccube:api:dump-schema` コマンドで出力できます。
+
 GraphQL の Query で以下のデータの取得が可能です。
 
 - [商品情報の取得](query/products)
diff --git a/docs/_pages/schema.md b/docs/_pages/schema.md
new file mode 100644
index 0000000..3dbc68d
--- /dev/null
+++ b/docs/_pages/schema.md
@@ -0,0 +1,815 @@
+---
+layout: home
+author_profile: true
+permalink: /schema
+---
+
+## スキーマ
+
+GraphQLのスキーマは `bin/console eccube:api:dump-schema` コマンドで出力できます。
+
+```graphql
+type Authority {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type Category {
+  id: ID!
+  name: String!
+  hierarchy: Int!
+  sort_no: Int!
+  create_date: DateTime!
+  update_date: DateTime!
+  ProductCategories: [ProductCategory]
+  Children: [Category]
+  Parent: Category
+  Creator: Member
+}
+
+type ClassCategory {
+  id: ID!
+  backend_name: String
+  name: String!
+  sort_no: Int!
+  visible: Boolean!
+  create_date: DateTime!
+  update_date: DateTime!
+  ClassName: ClassName
+  Creator: Member
+}
+
+type ClassName {
+  id: ID!
+  backend_name: String
+  name: String!
+  sort_no: Int!
+  create_date: DateTime!
+  update_date: DateTime!
+  ClassCategories: [ClassCategory]
+  Creator: Member
+}
+
+type Country {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type Customer {
+  id: ID!
+  name01: String!
+  name02: String!
+  kana01: String
+  kana02: String
+  company_name: String
+  postal_code: String
+  addr01: String
+  addr02: String
+  email: String!
+  phone_number: String
+  birth: DateTime
+  first_buy_date: DateTime
+  last_buy_date: DateTime
+  buy_times: Float
+  buy_total: Float
+  note: String
+  reset_expire: DateTime
+  point: Float!
+  create_date: DateTime!
+  update_date: DateTime!
+  CustomerFavoriteProducts: [CustomerFavoriteProduct]
+  CustomerAddresses: [CustomerAddress]
+  Orders: [Order]
+  Status: CustomerStatus
+  Sex: Sex
+  Job: Job
+  Country: Country
+  Pref: Pref
+}
+
+type CustomerAddress {
+  id: ID!
+  name01: String!
+  name02: String!
+  kana01: String
+  kana02: String
+  company_name: String
+  postal_code: String
+  addr01: String
+  addr02: String
+  phone_number: String
+  create_date: DateTime!
+  update_date: DateTime!
+  Customer: Customer
+  Country: Country
+  Pref: Pref
+}
+
+type CustomerConnection {
+  edges: [CustomerEdge]
+  nodes: [Customer]
+  pageInfo: CustomerPageInfo!
+  totalCount: Int!
+}
+
+type CustomerEdge {
+  node: Customer
+}
+
+type CustomerFavoriteProduct {
+  id: ID!
+  create_date: DateTime!
+  update_date: DateTime!
+  Customer: Customer
+  Product: Product
+}
+
+type CustomerOrderStatus {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type CustomerPageInfo {
+  hasNextPage: Boolean!
+  hasPreviousPage: Boolean!
+}
+
+type CustomerStatus {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+"""
+The `DateTime` scalar type represents time data, represented as an ISO-8601 encoded UTC date string.
+"""
+scalar DateTime
+
+type Delivery {
+  id: ID!
+  name: String
+  service_name: String
+  description: String
+  confirm_url: String
+  sort_no: Int
+  visible: Boolean!
+  create_date: DateTime!
+  update_date: DateTime!
+  PaymentOptions: [PaymentOption]
+  DeliveryFees: [DeliveryFee]
+  DeliveryTimes: [DeliveryTime]
+  Creator: Member
+  SaleType: SaleType
+}
+
+type DeliveryDuration {
+  id: ID!
+  name: String
+  duration: Int!
+  sort_no: Int!
+}
+
+type DeliveryFee {
+  id: ID!
+  fee: Float!
+  Delivery: Delivery
+  Pref: Pref
+}
+
+type DeliveryTime {
+  id: ID!
+  delivery_time: String!
+  sort_no: Int!
+  visible: Boolean!
+  create_date: DateTime!
+  update_date: DateTime!
+  Delivery: Delivery
+}
+
+type DeviceType {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type Job {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type MailHistory {
+  id: ID!
+  send_date: DateTime
+  mail_subject: String
+  mail_body: String
+  mail_html_body: String
+  Order: Order
+  Creator: Member
+}
+
+type Member {
+  id: ID!
+  name: String
+  department: String
+  login_id: String!
+  sort_no: Int!
+  create_date: DateTime!
+  update_date: DateTime!
+  login_date: DateTime
+  Work: Work
+  Authority: Authority
+  Creator: Member
+}
+
+type Mutation {
+  updateProductStock(
+    """商品コード"""
+    code: String!
+
+    """在庫数（在庫無制限の場合、0以上の数値を指定）"""
+    stock: Int
+
+    """在庫無制限（無制限は true 、制限は false を指定）"""
+    stock_unlimited: Boolean!
+  ): ProductClass
+  updateShipped(
+    """出荷ID"""
+    id: ID!
+
+    """出荷日（ Y-m-d\TH:i:sP 形式で指定可能、未指定の場合は実行日時）"""
+    shipping_date: DateTime
+
+    """出荷業者"""
+    shipping_delivery_name: String
+
+    """お問い合わせ番号"""
+    tracking_number: String
+
+    """出荷用メモ欄"""
+    note: String
+
+    """出荷完了メール送信フラグ（送信する場合は true を指定）"""
+    is_send_mail: Boolean = false
+  ): Shipping
+}
+
+type Order {
+  id: ID!
+  pre_order_id: String
+  order_no: String
+  message: String
+  name01: String!
+  name02: String!
+  kana01: String
+  kana02: String
+  company_name: String
+  email: String
+  phone_number: String
+  postal_code: String
+  addr01: String
+  addr02: String
+  birth: DateTime
+  subtotal: Float!
+  discount: Float!
+  delivery_fee_total: Float!
+  charge: Float!
+  tax: Float!
+  total: Float!
+  payment_total: Float!
+  payment_method: String
+  note: String
+  create_date: DateTime!
+  update_date: DateTime!
+  order_date: DateTime
+  payment_date: DateTime
+  currency_code: String
+  complete_message: String
+  complete_mail_message: String
+  add_point: Float!
+  use_point: Float!
+  OrderItems: [OrderItem]
+  Shippings: [Shipping]
+  MailHistories: [MailHistory]
+  Customer: Customer
+  Country: Country
+  Pref: Pref
+  Sex: Sex
+  Job: Job
+  Payment: Payment
+  DeviceType: DeviceType
+  CustomerOrderStatus: CustomerOrderStatus
+  OrderStatusColor: OrderStatusColor
+  OrderStatus: OrderStatus
+}
+
+type OrderConnection {
+  edges: [OrderEdge]
+  nodes: [Order]
+  pageInfo: OrderPageInfo!
+  totalCount: Int!
+}
+
+type OrderEdge {
+  node: Order
+}
+
+type OrderItem {
+  id: ID!
+  product_name: String!
+  product_code: String
+  class_name1: String
+  class_name2: String
+  class_category_name1: String
+  class_category_name2: String
+  price: Float!
+  quantity: Float!
+  tax: Float!
+  tax_rate: Float!
+  tax_adjust: Float!
+  tax_rule_id: Int
+  currency_code: String
+  processor_name: String
+  point_rate: Float
+  Order: Order
+  Product: Product
+  ProductClass: ProductClass
+  Shipping: Shipping
+  RoundingType: RoundingType
+  TaxType: TaxType
+  TaxDisplayType: TaxDisplayType
+  OrderItemType: OrderItemType
+}
+
+type OrderItemType {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type OrderPageInfo {
+  hasNextPage: Boolean!
+  hasPreviousPage: Boolean!
+}
+
+type OrderStatus {
+  display_order_count: Boolean!
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type OrderStatusColor {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type Payment {
+  id: ID!
+  method: String
+  charge: Float
+  rule_max: Float
+  sort_no: Int
+  fixed: Boolean!
+  payment_image: String
+  rule_min: Float
+  method_class: String
+  visible: Boolean!
+  create_date: DateTime!
+  update_date: DateTime!
+  PaymentOptions: [PaymentOption]
+  Creator: Member
+}
+
+type PaymentOption {
+  delivery_id: ID!
+  payment_id: ID!
+  Delivery: Delivery
+  Payment: Payment
+}
+
+type Pref {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type Product {
+  id: ID!
+  name: String!
+  note: String
+  description_list: String
+  description_detail: String
+  search_word: String
+  free_area: String
+  create_date: DateTime!
+  update_date: DateTime!
+  ProductCategories: [ProductCategory]
+  ProductClasses: [ProductClass]
+  ProductImage: [ProductImage]
+  ProductTag: [ProductTag]
+  CustomerFavoriteProducts: [CustomerFavoriteProduct]
+  Creator: Member
+  Status: ProductStatus
+}
+
+type ProductCategory {
+  product_id: ID!
+  category_id: ID!
+  Product: Product
+  Category: Category
+}
+
+type ProductClass {
+  id: ID!
+  code: String
+  stock: Float
+  stock_unlimited: Boolean!
+  sale_limit: Float
+  price01: Float
+  price02: Float!
+  delivery_fee: Float
+  visible: Boolean!
+  create_date: DateTime!
+  update_date: DateTime!
+  currency_code: String
+  point_rate: Float
+  ProductStock: ProductStock
+  TaxRule: TaxRule
+  Product: Product
+  SaleType: SaleType
+  ClassCategory1: ClassCategory
+  ClassCategory2: ClassCategory
+  DeliveryDuration: DeliveryDuration
+  Creator: Member
+}
+
+type ProductConnection {
+  edges: [ProductEdge]
+  nodes: [Product]
+  pageInfo: ProductPageInfo!
+  totalCount: Int!
+}
+
+type ProductEdge {
+  node: Product
+}
+
+type ProductImage {
+  id: ID!
+  file_name: String!
+  sort_no: Int!
+  create_date: DateTime!
+  Product: Product
+  Creator: Member
+}
+
+type ProductPageInfo {
+  hasNextPage: Boolean!
+  hasPreviousPage: Boolean!
+}
+
+type ProductStatus {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type ProductStock {
+  id: ID!
+  stock: Float
+  create_date: DateTime!
+  update_date: DateTime!
+  ProductClass: ProductClass
+  Creator: Member
+}
+
+type ProductTag {
+  id: ID!
+  create_date: DateTime!
+  Product: Product
+  Tag: Tag
+  Creator: Member
+}
+
+type Query {
+  customer(id: ID!): Customer
+  customers(
+    """会員ID・メールアドレス・お名前"""
+    multi: String = null
+
+    """会員種別"""
+    customer_status: [String] = ["1", "2"]
+
+    """性別"""
+    sex: [String] = null
+
+    """誕生月"""
+    birth_month: String = null
+
+    """誕生日(開始)"""
+    birth_start: String = null
+
+    """誕生日(終了)"""
+    birth_end: String = null
+
+    """都道府県"""
+    pref: String = null
+
+    """電話番号"""
+    phone_number: String = null
+
+    """購入商品名"""
+    buy_product_name: String = null
+
+    """購入金額(開始)"""
+    buy_total_start: String = null
+
+    """購入金額(終了)"""
+    buy_total_end: String = null
+
+    """購入件数(開始)"""
+    buy_times_start: Int = null
+
+    """購入件数(終了)"""
+    buy_times_end: Int = null
+
+    """登録日(開始)"""
+    create_date_start: String = null
+
+    """登録日(開始)"""
+    create_datetime_start: DateTime = null
+
+    """登録日(終了)"""
+    create_date_end: String = null
+
+    """登録日(終了)"""
+    create_datetime_end: DateTime = null
+
+    """更新日(開始)"""
+    update_date_start: String = null
+
+    """更新日(開始)"""
+    update_datetime_start: DateTime = null
+
+    """更新日(終了)"""
+    update_date_end: String = null
+
+    """更新日(終了)"""
+    update_datetime_end: DateTime = null
+
+    """最終購入日(開始)"""
+    last_buy_start: String = null
+
+    """最終購入日(開始)"""
+    last_buy_datetime_start: DateTime = null
+
+    """最終購入日(終了)"""
+    last_buy_end: String = null
+
+    """最終購入日(終了)"""
+    last_buy_datetime_end: DateTime = null
+
+    """ページ番号"""
+    page: Int = 1
+
+    """ページあたりの取得数の上限"""
+    limit: Int = 50
+  ): CustomerConnection
+  hello: String
+  order(id: ID!): Order
+  orders(
+    """注文番号・お名前・会社名・メールアドレス・電話番号"""
+    multi: String = null
+
+    """対応状況"""
+    status: [String] = null
+
+    """注文者名"""
+    name: String = null
+
+    """注文者名(カナ)"""
+    kana: String = null
+
+    """注文者会社名"""
+    company_name: String = null
+
+    """メールアドレス"""
+    email: String = null
+
+    """注文番号"""
+    order_no: String = null
+
+    """電話番号"""
+    phone_number: String = null
+
+    """お問い合わせ番号"""
+    tracking_number: String = null
+
+    """出荷メール"""
+    shipping_mail: [String] = null
+
+    """支払方法"""
+    payment: [String] = null
+
+    """注文日(開始)"""
+    order_date_start: String = null
+
+    """注文日(開始)"""
+    order_datetime_start: DateTime = null
+
+    """注文日(終了)"""
+    order_date_end: String = null
+
+    """注文日(終了)"""
+    order_datetime_end: DateTime = null
+
+    """入金日(開始)"""
+    payment_date_start: String = null
+
+    """入金日(開始)"""
+    payment_datetime_start: DateTime = null
+
+    """入金日(終了)"""
+    payment_date_end: String = null
+
+    """入金日(終了)"""
+    payment_datetime_end: DateTime = null
+
+    """更新日(開始)"""
+    update_date_start: String = null
+
+    """更新日(開始)"""
+    update_datetime_start: DateTime = null
+
+    """更新日(終了)"""
+    update_date_end: String = null
+
+    """更新日(終了)"""
+    update_datetime_end: DateTime = null
+
+    """お届け日(開始)"""
+    shipping_delivery_date_start: String = null
+
+    """お届け日(開始)"""
+    shipping_delivery_datetime_start: DateTime = null
+
+    """お届け日(終了)"""
+    shipping_delivery_date_end: String = null
+
+    """お届け日(終了)"""
+    shipping_delivery_datetime_end: DateTime = null
+
+    """購入金額(開始)"""
+    payment_total_start: String = null
+
+    """購入金額(終了)"""
+    payment_total_end: String = null
+
+    """購入商品名"""
+    buy_product_name: String = null
+
+    """ページ番号"""
+    page: Int = 1
+
+    """ページあたりの取得数の上限"""
+    limit: Int = 50
+  ): OrderConnection
+  product(id: ID!): Product
+  products(
+    """商品名・商品ID・商品コード"""
+    id: String = null
+
+    """カテゴリ"""
+    category_id: String = null
+
+    """公開ステータス"""
+    status: [String] = ["1", "2"]
+
+    """在庫数"""
+    stock: [String] = null
+
+    """登録日(開始)"""
+    create_date_start: String = null
+
+    """登録日(開始)"""
+    create_datetime_start: DateTime = null
+
+    """登録日(終了)"""
+    create_date_end: String = null
+
+    """登録日(終了)"""
+    create_datetime_end: DateTime = null
+
+    """更新日(開始)"""
+    update_date_start: String = null
+
+    """更新日(開始)"""
+    update_datetime_start: DateTime = null
+
+    """更新日(終了)"""
+    update_date_end: String = null
+
+    """更新日(終了)"""
+    update_datetime_end: DateTime = null
+
+    """ページ番号"""
+    page: Int = 1
+
+    """ページあたりの取得数の上限"""
+    limit: Int = 50
+  ): ProductConnection
+}
+
+type RoundingType {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type SaleType {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type Sex {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type Shipping {
+  id: ID!
+  name01: String!
+  name02: String!
+  kana01: String
+  kana02: String
+  company_name: String
+  phone_number: String
+  postal_code: String
+  addr01: String
+  addr02: String
+  shipping_delivery_name: String
+  time_id: Int
+  shipping_delivery_time: String
+  shipping_delivery_date: DateTime
+  shipping_date: DateTime
+  tracking_number: String
+  note: String
+  sort_no: Int
+  create_date: DateTime!
+  update_date: DateTime!
+  mail_send_date: DateTime
+  Order: Order
+  OrderItems: [OrderItem]
+  Country: Country
+  Pref: Pref
+  Delivery: Delivery
+  Creator: Member
+}
+
+type Tag {
+  id: ID!
+  name: String!
+  sort_no: Int!
+  ProductTag: [ProductTag]
+}
+
+type TaxDisplayType {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type TaxRule {
+  id: ID!
+  tax_rate: Float!
+  tax_adjust: Float!
+  apply_date: DateTime!
+  create_date: DateTime!
+  update_date: DateTime!
+  ProductClass: ProductClass
+  Creator: Member
+  Country: Country
+  Pref: Pref
+  Product: Product
+  RoundingType: RoundingType
+}
+
+type TaxType {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+
+type Work {
+  id: ID!
+  name: String!
+  sort_no: Int!
+}
+```