diff --git a/README.md b/README.md
index afaa14c..d8bab15 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # retailCRM API PHP client
 
-PHP-client for [retailCRM API](http://www.retailcrm.pro/docs/Developers/ApiVersion3).
+PHP-client for [retailCRM API](http://www.retailcrm.pro/docs/Developers/ApiVersion4).
 
 Use [API documentation](http://retailcrm.github.io/api-client-php)
 
diff --git a/README.ru.md b/README.ru.md
index 5652dc6..369d52f 100644
--- a/README.ru.md
+++ b/README.ru.md
@@ -1,6 +1,6 @@
 # PHP-клиент для retailCRM API
 
-PHP-клиент для работы с [retailCRM API](http://www.retailcrm.ru/docs/Developers/ApiVersion3).
+PHP-клиент для работы с [retailCRM API](http://www.retailcrm.ru/docs/Developers/ApiVersion4).
 
 Рекомендуем обращаться к [документации](http://retailcrm.github.io/api-client-php) по библиотеке, в частности по классу [RetailCrm\ApiClient](http://retailcrm.github.io/api-client-php/class-RetailCrm.ApiClient.html).
 
diff --git a/composer.json b/composer.json
index 11898b4..a12d81c 100644
--- a/composer.json
+++ b/composer.json
@@ -15,16 +15,6 @@
         "php": ">=5.3.0",
         "ext-curl": "*"
     },
-    "require-dev": {
-        "phpunit/phpunit": "5.2.*",
-        "phpunit/php-code-coverage": "3.3.0",
-        "phpunit/php-invoker": "1.1.4",
-        "phpmd/phpmd": "2.4.*",
-        "sebastian/phpcpd": "2.0.*",
-        "sebastian/phpdcd": "1.0.*",
-        "squizlabs/php_codesniffer": "2.5.*",
-        "apigen/apigen": "4.1.*"
-    },
     "support": {
         "email": "support@retailcrm.pro"
     },
diff --git a/lib/RetailCrm/ApiClient.php b/lib/RetailCrm/ApiClient.php
index 74fece3..f1c3f8b 100644
--- a/lib/RetailCrm/ApiClient.php
+++ b/lib/RetailCrm/ApiClient.php
@@ -321,6 +321,35 @@ class ApiClient
         );
     }
 
+    /**
+     * Get orders history
+     * @param array $filter
+     * @param null $page
+     * @param null $limit
+     *
+     * @return ApiResponse
+     */
+    public function ordersHistory(array $filter = array(), $page = null, $limit = null)
+    {
+        $parameters = array();
+
+        if (count($filter)) {
+            $parameters['filter'] = $filter;
+        }
+        if (null !== $page) {
+            $parameters['page'] = (int) $page;
+        }
+        if (null !== $limit) {
+            $parameters['limit'] = (int) $limit;
+        }
+
+        return $this->client->makeRequest(
+            '/orders/history',
+            Client::METHOD_GET,
+            $parameters
+        );
+    }
+
     /**
      * Returns filtered customers list
      *
@@ -498,6 +527,35 @@ class ApiClient
         );
     }
 
+    /**
+     * Get customers history
+     * @param array $filter
+     * @param null $page
+     * @param null $limit
+     *
+     * @return ApiResponse
+     */
+    public function customersHistory(array $filter = array(), $page = null, $limit = null)
+    {
+        $parameters = array();
+
+        if (count($filter)) {
+            $parameters['filter'] = $filter;
+        }
+        if (null !== $page) {
+            $parameters['page'] = (int) $page;
+        }
+        if (null !== $limit) {
+            $parameters['limit'] = (int) $limit;
+        }
+
+        return $this->client->makeRequest(
+            '/customers/history',
+            Client::METHOD_GET,
+            $parameters
+        );
+    }
+
     /**
      * Get orders assembly list
      *
@@ -811,6 +869,86 @@ class ApiClient
         );
     }
 
+    /**
+     * Get delivery settings
+     *
+     * @param string $code
+     *
+     * @throws \InvalidArgumentException
+     * @throws \RetailCrm\Exception\CurlException
+     * @throws \RetailCrm\Exception\InvalidJsonException
+     *
+     * @return ApiResponse
+     */
+    public function deliverySettingsGet($code)
+    {
+        if (empty($code)) {
+            throw new \InvalidArgumentException('Parameter `code` must be set');
+        }
+
+        return $this->client->makeRequest(
+            "/delivery/generic/setting/$code",
+            Client::METHOD_GET
+        );
+    }
+
+    /**
+     * Edit delivery configuration
+     *
+     * @param array $configuration
+     *
+     * @throws \RetailCrm\Exception\InvalidJsonException
+     * @throws \RetailCrm\Exception\CurlException
+     * @throws \InvalidArgumentException
+     *
+     * @return ApiResponse
+     */
+    public function deliverySettingsEdit(array $configuration)
+    {
+        if (!count($configuration) || empty($configuration['code'])) {
+            throw new \InvalidArgumentException(
+                'Parameter `configuration` must contains a data & configuration `code` must be set'
+            );
+        }
+
+        return $this->client->makeRequest(
+            sprintf('/delivery/generic/settings/%s/edit', $configuration['code']),
+            Client::METHOD_POST,
+            $configuration
+        );
+    }
+
+    /**
+     * Delivery tracking update
+     *
+     * @param string $code
+     * @param array  $statusUpdate
+     *
+     * @throws \RetailCrm\Exception\InvalidJsonException
+     * @throws \RetailCrm\Exception\CurlException
+     * @throws \InvalidArgumentException
+     *
+     * @return ApiResponse
+     */
+    public function deliveryTracking($code, array $statusUpdate)
+    {
+        if (empty($code)) {
+            throw new \InvalidArgumentException('Parameter `code` must be set');
+        }
+
+        if (!count($statusUpdate)) {
+            throw new \InvalidArgumentException(
+                'Parameter `statusUpdate` must contains a data'
+            );
+        }
+
+        return $this->client->makeRequest(
+            sprintf('/delivery/generic/%s/tracking', $code),
+            Client::METHOD_POST,
+            $statusUpdate
+        );
+    }
+
     /**
      * Returns available county list
      *