diff --git a/.env.example b/.env.example
index df7cf9c..c3b4590 100644
--- a/.env.example
+++ b/.env.example
@@ -2,3 +2,4 @@ APP_ID=
 CLIENT_ID=
 CLIENT_SECRET=
 REDIRECT_URI=
+TOKEN=
diff --git a/README.md b/README.md
index 9a341c1..a04bf0c 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # ColorMeShopApi API client
-GMOベポパが提供している ColorMeショップの API を PHP から利用するためのライブラリです。
+GMOベポパ が提供している ColorMeショップ の API を PHP から利用するためのライブラリです。
+
+現在一部のみ実装済み。
 
 ## 環境
 PHP 8.1 以上
@@ -157,6 +159,16 @@ TODO: write
 #### メールの送信
 TODO: write
 
+### 顧客
+#### 顧客データの一覧を取得
+TODO: write
+
+#### 顧客データの取得
+TODO: write
+
+### 顧客データを追加
+not implement
+
 ### 決済
 #### 決済設定の一覧を取得
 TODO: write
@@ -166,12 +178,10 @@ TODO: write
 TODO: write
 
 ### 配送日時設定を取得
-TODO: write
-
+not implement
 
 ### 未実装
 * ショップ
-* 顧客
 * 商品
 * 在庫
 * 商品グループ
diff --git a/client b/client
index 9f0d21e..0ab6192 100755
--- a/client
+++ b/client
@@ -9,7 +9,7 @@ echo __NAMESPACE__ . " shell\n";
 echo "-----\nexample:\n";
 echo "\$client = new Client;\n\n";
 echo "// get url for OAuth\n";
-echo "\$oAuthUrl = \$client->getOAuthUrl(\$scopes);\n\n";
+echo "\$oAuthUrl = \$client->getOAuthUrl(\$options, \$scopes);\n\n";
 echo "// get sales\n";
 echo "\$sales = \$client->getSales();\n";
 
@@ -24,16 +24,22 @@ $sh = new \Psy\Shell();
 $sh->addCode(sprintf("namespace %s;", __NAMESPACE__));
 
 // set default
-$options = new Entities\OAuth\Options(
-    $_ENV['CLIENT_ID'],
-    $_ENV['CLIENT_SECRET'],
-    $_ENV['REDIRECT_URI'] ?? Constants\AuthRedirectUri::NO_REDIRECT,
-);
+$options = null;
+if (!empty($_ENV['CLIENT_ID']) && !empty($_ENV['CLIENT_SECRET'])) {
+    $options = new Entities\OAuth\Options(
+        $_ENV['CLIENT_ID'],
+        $_ENV['CLIENT_SECRET'],
+        $_ENV['REDIRECT_URI'] ?? Constants\AuthRedirectUri::NO_REDIRECT,
+    );
+
+}
 $scopes = new Values\Scopes(Constants\AuthScope::cases());
+$token = $_ENV['TOKEN'] ?? null;
 
 $sh->setScopeVariables([
     'options' => $options,
     'scopes' => $scopes,
+    'token' => $token,
 ]);
 
 $sh->run();
diff --git a/composer.json b/composer.json
index d351f2d..259dc0d 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     ],
     "minimum-stability": "dev",
     "prefer-stable": true,
-    "version": "0.3.4",
+    "version": "0.4.0",
     "license": "MIT",
     "authors": [
         {
diff --git a/src/Client.php b/src/Client.php
index 54ac40c..3115ff6 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -15,7 +15,7 @@
 
 use Shimoning\ColorMeShopApi\Services\Sales;
 use Shimoning\ColorMeShopApi\Entities\Sales\Sale;
-use Shimoning\ColorMeShopApi\Entities\Sales\SearchParameters;
+use Shimoning\ColorMeShopApi\Entities\Sales\SearchParameters as SalesSearchParameters;
 use Shimoning\ColorMeShopApi\Entities\Sales\SaleUpdater;
 use Shimoning\ColorMeShopApi\Entities\Sales\Stat as SaleStat;
 
@@ -25,6 +25,10 @@
 use Shimoning\ColorMeShopApi\Services\Delivery;
 use Shimoning\ColorMeShopApi\Entities\Delivery\Delivery as DeliveryEntity;
 
+use Shimoning\ColorMeShopApi\Services\Customer;
+use Shimoning\ColorMeShopApi\Entities\Customer\SearchParameters as CustomerSearchParameters;
+use Shimoning\ColorMeShopApi\Entities\Customer\Customer as CustomerEntity;
+
 class Client
 {
     protected string $accessToken;
@@ -66,13 +70,17 @@ public function exchangeCode2Token(OAuthOptions $options, string $code): AccessT
      * 受注データのリストを取得
      *
      * @link https://developer.shop-pro.jp/docs/colorme-api#tag/sale/operation/getSales
-     * @param SearchParameters|null $searchParameters
+     * @param SalesSearchParameters|null $searchParameters
      * @param string|null $accessToken
      * @return Page<Sale>|Errors
      */
-    public function getSales(?SearchParameters $searchParameters = null, ?string $accessToken = null): Page|Errors
-    {
-        return $this->salesService($accessToken)->page($searchParameters ?? new SearchParameters([]), $accessToken);
+    public function getSales(
+        ?SalesSearchParameters $searchParameters = null,
+        ?string $accessToken = null,
+    ): Page|Errors {
+        return $this
+            ->salesService($accessToken)
+            ->page($searchParameters ?? new SalesSearchParameters([]), $accessToken);
     }
 
     /**
@@ -123,8 +131,11 @@ public function updateSale(SaleUpdater $updater, ?string $accessToken = null): S
      * @param string|null $accessToken
      * @return Sale|Errors
      */
-    public function cancelSale(int|string $id, ?bool $restock = false, ?string $accessToken = null): Sale|Errors
-    {
+    public function cancelSale(
+        int|string $id,
+        ?bool $restock = false,
+        ?string $accessToken = null,
+    ): Sale|Errors {
         return $this->salesService($accessToken)->cancel($id, $restock, $accessToken);
     }
 
@@ -137,8 +148,11 @@ public function cancelSale(int|string $id, ?bool $restock = false, ?string $acce
      * @param string|null $accessToken
      * @return true|Errors
      */
-    public function sendSalesMail(int|string $id, MailType $mailType, ?string $accessToken = null): bool|Errors
-    {
+    public function sendSalesMail(
+        int|string $id,
+        MailType $mailType,
+        ?string $accessToken = null,
+    ): bool|Errors {
         return $this->salesService($accessToken)->sendMail($id, $mailType, $accessToken);
     }
 
@@ -162,6 +176,7 @@ private function salesService(?string $accessToken = null): Sales
      * 決済設定の一覧を取得
      *
      * @link https://developer.shop-pro.jp/docs/colorme-api#tag/payment/operation/getPayments
+     * @param string|null $accessToken
      * @return Collection<PaymentEntity>|Errors
      */
     public function getPayments(?string $accessToken = null): Collection|Errors
@@ -180,6 +195,7 @@ public function getPayments(?string $accessToken = null): Collection|Errors
      * 配送方法一覧を取得
      *
      * @link https://developer.shop-pro.jp/docs/colorme-api#tag/delivery/operation/getDeliveries
+     * @param string|null $accessToken
      * @return Collection<DeliveryEntity>|Errors
      */
     public function getDeliveries(?string $accessToken = null): Collection|Errors
@@ -193,4 +209,47 @@ public function getDeliveries(?string $accessToken = null): Collection|Errors
 
         return (new Delivery($this->accessToken))->all();
     }
+
+    /**
+     * 顧客データのリストを取得
+     *
+     * @link https://developer.shop-pro.jp/docs/colorme-api#tag/customer/operation/getCustomers
+     * @param CustomerSearchParameters|null $searchParameters
+     * @param string|null $accessToken
+     * @return Page<CustomerEntity>|Errors
+     */
+    public function getCustomers(
+        ?CustomerSearchParameters $searchParameters = null,
+        ?string $accessToken = null,
+    ): Page|Errors {
+        if ($accessToken) {
+            $this->accessToken = $accessToken;
+        }
+        if (empty($this->accessToken)) {
+            throw new ParameterException('アクセストークンは必ず指定してください');
+        }
+
+        return (new Customer($this->accessToken))
+            ->page($searchParameters ?? new CustomerSearchParameters([]));
+    }
+
+    /**
+     * 顧客データの取得
+     *
+     * @link https://developer.shop-pro.jp/docs/colorme-api#tag/customer/operation/getCustomer
+     * @param integer|string $id
+     * @param string|null $accessToken
+     * @return CustomerEntity|Errors
+     */
+    public function getCustomer(int|string $id, ?string $accessToken = null): CustomerEntity|Errors
+    {
+        if ($accessToken) {
+            $this->accessToken = $accessToken;
+        }
+        if (empty($this->accessToken)) {
+            throw new ParameterException('アクセストークンは必ず指定してください');
+        }
+
+        return (new Customer($this->accessToken))->one($id, $accessToken);
+    }
 }
diff --git a/src/Entities/Customer/Customer.php b/src/Entities/Customer/Customer.php
index 36507d9..47a2e49 100644
--- a/src/Entities/Customer/Customer.php
+++ b/src/Entities/Customer/Customer.php
@@ -3,9 +3,9 @@
 namespace Shimoning\ColorMeShopApi\Entities\Customer;
 
 use Shimoning\ColorMeShopApi\Entities\Entity;
-use Shimoning\ColorMeShopApi\Constants\Prefecture;
-use Shimoning\ColorMeShopApi\Constants\Sex;
 use Shimoning\ColorMeShopApi\Values\Furigana;
+use Shimoning\ColorMeShopApi\Constants\Sex;
+use Shimoning\ColorMeShopApi\Constants\Prefecture;
 
 /**
  * 顧客
diff --git a/src/Entities/Customer/SearchParameters.php b/src/Entities/Customer/SearchParameters.php
new file mode 100644
index 0000000..801579a
--- /dev/null
+++ b/src/Entities/Customer/SearchParameters.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace Shimoning\ColorMeShopApi\Entities\Customer;
+
+use Shimoning\ColorMeShopApi\Entities\Entity;
+use Shimoning\ColorMeShopApi\Values\Furigana;
+use Shimoning\ColorMeShopApi\Values\DateTime;
+use Shimoning\ColorMeShopApi\Values\Limit;
+use Shimoning\ColorMeShopApi\Constants\Sex;
+
+/**
+ * before/after は直感的でないためサポートしない。
+ * make_date_max/make_date_min を使用すること。
+ *
+ * TODO: fields のサポート
+ */
+class SearchParameters extends Entity
+{
+    const OBJECT_FIELDS = [
+        'furigana'=> [
+            'value' => Furigana::class,
+        ],
+        'sex' => [
+            'enum' => Sex::class,
+        ],
+
+        'makeDateMin'=> [
+            'value' => DateTime::class,
+        ],
+        'makeDateMax'=> [
+            'value' => DateTime::class,
+        ],
+        'updateDateMin'=> [
+            'value' => DateTime::class,
+        ],
+        'updateDateMax'=> [
+            'value' => DateTime::class,
+        ],
+
+        'limit'=> [
+            'value' => Limit::class,
+        ],
+    ];
+
+    protected ?array $ids;
+
+    protected ?string $name;
+    protected ?Furigana $furigana;
+
+    protected ?string $mail;
+    protected ?string $postal;
+    protected ?string $tel;
+    protected ?Sex $sex;
+    protected ?bool $member;
+
+    protected ?DateTime $makeDateMin;   // after
+    protected ?DateTime $makeDateMax;   // before
+    protected ?DateTime $updateDateMin;
+    protected ?DateTime $updateDateMax;
+
+    protected ?Limit $limit;
+    protected ?int $offset;
+}
diff --git a/src/Services/Customer.php b/src/Services/Customer.php
new file mode 100644
index 0000000..109ee0b
--- /dev/null
+++ b/src/Services/Customer.php
@@ -0,0 +1,76 @@
+<?php
+
+namespace Shimoning\ColorMeShopApi\Services;
+
+use Shimoning\ColorMeShopApi\Communicator\Request;
+use Shimoning\ColorMeShopApi\Communicator\RequestOptions;
+use Shimoning\ColorMeShopApi\Communicator\Errors;
+use Shimoning\ColorMeShopApi\Entities\Customer\SearchParameters;
+use Shimoning\ColorMeShopApi\Entities\Collection;
+use Shimoning\ColorMeShopApi\Entities\Page;
+use Shimoning\ColorMeShopApi\Entities\Pagination;
+use Shimoning\ColorMeShopApi\Entities\Customer\Customer as CustomerEntity;
+
+class Customer
+{
+    protected string $_accessToken;
+
+    public function __construct(string $accessToken)
+    {
+        $this->_accessToken = $accessToken;
+    }
+
+    /**
+     * 顧客データのリストを取得
+     *
+     * @link https://developer.shop-pro.jp/docs/colorme-api#tag/Customer/operation/getCustomers
+     * @param SearchParameters $searchParameters
+     * @param string|null $accessToken
+     * @return Page<CustomerEntity>|Errors
+     */
+    public function page(
+        SearchParameters $searchParameters,
+        ?string $accessToken = null,
+    ): Page|Errors {
+        $response = (new Request(new RequestOptions([
+            'authorization' => $accessToken ?? $this->_accessToken,
+        ])))->get(
+            'https://api.shop-pro.jp/v1/customers',
+            $searchParameters->toArrayRecursive(),
+        );
+        if (! $response->isSuccess()) {
+            return Errors::build($response);
+        }
+        $data = $response->getParsedBody();
+
+        return new Page(
+            Collection::cast(CustomerEntity::class, $data['customers'] ?? []),
+            new Pagination($data['meta'] ?? []),
+        );
+    }
+
+    /**
+     * 顧客データの取得
+     *
+     * @link https://developer.shop-pro.jp/docs/colorme-api#tag/customer/operation/getCustomer
+     * @param int|string $id
+     * @param string|null $accessToken
+     * @return CustomerEntity|Errors
+     */
+    public function one(int|string $id, ?string $accessToken = null): CustomerEntity|Errors
+    {
+        $response = (new Request(new RequestOptions([
+            'authorization' => $accessToken ?? $this->_accessToken,
+        ])))->get(
+            'https://api.shop-pro.jp/v1/customers/' . $id,
+        );
+        if (! $response->isSuccess()) {
+            return Errors::build($response);
+        }
+        $data = $response->getParsedBody();
+        return new CustomerEntity($data['customer'] ?? []);
+    }
+
+    // TODO: create
+    // https://developer.shop-pro.jp/docs/colorme-api#tag/customer/operation/postCustomers
+}
diff --git a/src/Services/Delivery.php b/src/Services/Delivery.php
index c26ba14..72d0f0d 100644
--- a/src/Services/Delivery.php
+++ b/src/Services/Delivery.php
@@ -18,7 +18,10 @@ public function __construct(string $accessToken)
     }
 
     /**
+     * 配送方法一覧を取得
+     *
      * @link https://developer.shop-pro.jp/docs/colorme-api#tag/delivery/operation/getDeliveries
+     * @param string|null $accessToken
      * @return Collection<DeliveryEntity>|Errors
      */
     public function all(?string $accessToken = null): Collection|Errors
@@ -35,4 +38,7 @@ public function all(?string $accessToken = null): Collection|Errors
 
         return Collection::cast(DeliveryEntity::class, $data['deliveries'] ?? []);
     }
+
+    // TODO: 配送日時設定を取得
+    // https://developer.shop-pro.jp/docs/colorme-api#tag/delivery/operation/getDeliveryDateSetting
 }
diff --git a/src/Services/Payment.php b/src/Services/Payment.php
index 5d279e0..7f5a53c 100644
--- a/src/Services/Payment.php
+++ b/src/Services/Payment.php
@@ -18,7 +18,10 @@ public function __construct(string $accessToken)
     }
 
     /**
+     * 決済設定の一覧を取得
+     *
      * @link https://developer.shop-pro.jp/docs/colorme-api#tag/payment/operation/getPayments
+     * @param string|null $accessToken
      * @return Collection<PaymentEntity>|Errors
      */
     public function all(?string $accessToken = null): Collection|Errors
diff --git a/src/Services/Sales.php b/src/Services/Sales.php
index bad8d9d..79b76f2 100644
--- a/src/Services/Sales.php
+++ b/src/Services/Sales.php
@@ -10,8 +10,8 @@
 use Shimoning\ColorMeShopApi\Entities\Sales\Stat;
 use Shimoning\ColorMeShopApi\Entities\Sales\SaleUpdater;
 use Shimoning\ColorMeShopApi\Entities\Collection;
-use Shimoning\ColorMeShopApi\Entities\Pagination;
 use Shimoning\ColorMeShopApi\Entities\Page;
+use Shimoning\ColorMeShopApi\Entities\Pagination;
 use Shimoning\ColorMeShopApi\Constants\MailType;
 
 class Sales
@@ -24,6 +24,8 @@ public function __construct(string $accessToken)
     }
 
     /**
+     * 受注データのリストを取得
+     *
      * @link https://developer.shop-pro.jp/docs/colorme-api#tag/sale/operation/getSales
      * @param SearchParameters $searchParameters
      * @param string|null $accessToken
@@ -51,6 +53,8 @@ public function page(
     }
 
     /**
+     * 受注データの取得
+     *
      * @link https://developer.shop-pro.jp/docs/colorme-api#tag/sale/operation/getSale
      * @param int|string $id
      * @param string|null $accessToken
@@ -71,6 +75,8 @@ public function one(int|string $id, ?string $accessToken = null): Sale|Errors
     }
 
     /**
+     * 売上集計の取得
+     *
      * @link https://developer.shop-pro.jp/docs/colorme-api#tag/sale/operation/statSale
      * @param DateTimeInterface $dateTime
      * @param string|null $accessToken
@@ -97,6 +103,8 @@ public function stat(
     }
 
     /**
+     * 受注データの更新
+     *
      * @link https://developer.shop-pro.jp/docs/colorme-api#tag/sale/operation/updateSale
      * @param SaleUpdater $updater
      * @param string|null $accessToken
@@ -123,6 +131,8 @@ public function update(
     }
 
     /**
+     * 受注のキャンセル
+     *
      * @link https://developer.shop-pro.jp/docs/colorme-api#tag/sale/operation/cancelSale
      * @param int|string $id
      * @param bool|null $restock
@@ -151,6 +161,8 @@ public function cancel(
     }
 
     /**
+     * メールの送信
+     *
      * @link https://developer.shop-pro.jp/docs/colorme-api#tag/sale/operation/sendSalesMail
      * @param int|string $id
      * @param MailType $mailType