diff --git a/composer.json b/composer.json
index 6448dc2..e8dc9d4 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,8 @@
         "jms/serializer": "^3.9",
         "shieldon/psr-http": "^1.2",
         "doctrine/annotations": "^1.10",
-        "doctrine/cache": "^1.10"
+        "doctrine/cache": "^1.10",
+        "psr/log": "^1.1"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.3",
diff --git a/src/Factory/ClientFactory.php b/src/Builder/ClientBuilder.php
similarity index 74%
rename from src/Factory/ClientFactory.php
rename to src/Builder/ClientBuilder.php
index f3b73a6..9e8c274 100644
--- a/src/Factory/ClientFactory.php
+++ b/src/Builder/ClientBuilder.php
@@ -3,36 +3,36 @@
 /**
  * PHP version 7.3
  *
- * @category ClientFactory
- * @package  RetailCrm\Factory
+ * @category ClientBuilder
+ * @package  RetailCrm\Builder
  * @author   RetailCRM <integration@retailcrm.ru>
  * @license  MIT
  * @link     http://retailcrm.ru
  * @see      http://help.retailcrm.ru
  */
-namespace RetailCrm\Factory;
+namespace RetailCrm\Builder;
 
-use Psr\Container\ContainerInterface;
 use RetailCrm\Component\Constants;
 use RetailCrm\Component\ServiceLocator;
+use RetailCrm\Factory\RequestFactory;
 use RetailCrm\Interfaces\AppDataInterface;
 use RetailCrm\Interfaces\AuthenticatorInterface;
+use RetailCrm\Interfaces\BuilderInterface;
 use RetailCrm\Interfaces\ContainerAwareInterface;
-use RetailCrm\Interfaces\FactoryInterface;
 use RetailCrm\TopClient\Client;
 use RetailCrm\Traits\ContainerAwareTrait;
 
 /**
- * Class ClientFactory
+ * Class ClientBuilder
  *
- * @category ClientFactory
- * @package  RetailCrm\Factory
+ * @category ClientBuilder
+ * @package  RetailCrm\Builder
  * @author   RetailDriver LLC <integration@retailcrm.ru>
  * @license  MIT
  * @link     http://retailcrm.ru
  * @see      https://help.retailcrm.ru
  */
-class ClientFactory implements ContainerAwareInterface, FactoryInterface
+class ClientBuilder implements ContainerAwareInterface, BuilderInterface
 {
     use ContainerAwareTrait;
 
@@ -43,24 +43,19 @@ class ClientFactory implements ContainerAwareInterface, FactoryInterface
     protected $authenticator;
 
     /**
-     * @param \Psr\Container\ContainerInterface $container
-     *
-     * @return \RetailCrm\Factory\ClientFactory
+     * @return static
      */
-    public static function withContainer(ContainerInterface $container): ClientFactory
+    public static function create(): self
     {
-        $factory = new self();
-        $factory->setContainer($container);
-
-        return $factory;
+        return new self();
     }
 
     /**
      * @param \RetailCrm\Interfaces\AppDataInterface $appData
      *
-     * @return ClientFactory
+     * @return ClientBuilder
      */
-    public function setAppData(AppDataInterface $appData): ClientFactory
+    public function setAppData(AppDataInterface $appData): ClientBuilder
     {
         $this->appData = $appData;
         return $this;
@@ -81,7 +76,7 @@ class ClientFactory implements ContainerAwareInterface, FactoryInterface
      * @return \RetailCrm\TopClient\Client
      * @throws \RetailCrm\Component\Exception\ValidationException
      */
-    public function create(): Client
+    public function build(): Client
     {
         $client = new Client($this->appData, $this->authenticator);
         $client->setHttpClient($this->container->get(Constants::HTTP_CLIENT));
diff --git a/src/Factory/ContainerFactory.php b/src/Builder/ContainerBuilder.php
similarity index 72%
rename from src/Factory/ContainerFactory.php
rename to src/Builder/ContainerBuilder.php
index d24115a..4353d92 100644
--- a/src/Factory/ContainerFactory.php
+++ b/src/Builder/ContainerBuilder.php
@@ -3,27 +3,27 @@
 /**
  * PHP version 7.3
  *
- * @category EnvironmentFactory
- * @package  RetailCrm\Factory
+ * @category ContainerBuilder
+ * @package  RetailCrm\Builder
  * @author   RetailCRM <integration@retailcrm.ru>
  * @license  MIT
  * @link     http://retailcrm.ru
  * @see      http://help.retailcrm.ru
  */
-namespace RetailCrm\Factory;
+namespace RetailCrm\Builder;
 
-use JMS\Serializer\GraphNavigatorInterface;
-use JMS\Serializer\Handler\HandlerRegistry;
-use JMS\Serializer\Serializer;
-use JMS\Serializer\SerializerBuilder;
-use JMS\Serializer\SerializerInterface;
 use Psr\Container\ContainerInterface;
 use Psr\Http\Client\ClientInterface;
+use Psr\Log\LoggerInterface;
+use Psr\Log\NullLogger;
 use RetailCrm\Component\Constants;
 use RetailCrm\Component\DependencyInjection\Container;
 use RetailCrm\Component\Environment;
 use RetailCrm\Component\ServiceLocator;
-use RetailCrm\Interfaces\FactoryInterface;
+use RetailCrm\Factory\FileItemFactory;
+use RetailCrm\Factory\RequestFactory;
+use RetailCrm\Factory\SerializerFactory;
+use RetailCrm\Interfaces\BuilderInterface;
 use RetailCrm\Service\RequestDataFilter;
 use RetailCrm\Service\RequestSigner;
 use Shieldon\Psr17\StreamFactory;
@@ -32,55 +32,77 @@ use Symfony\Component\Validator\Validator\TraceableValidator;
 use Symfony\Component\Validator\Validator\ValidatorInterface;
 
 /**
- * Class EnvironmentFactory
+ * Class ContainerBuilder
  *
- * @category EnvironmentFactory
- * @package  RetailCrm\Factory
+ * @category ContainerBuilder
+ * @package  RetailCrm\Builder
  * @author   RetailDriver LLC <integration@retailcrm.ru>
  * @license  MIT
  * @link     http://retailcrm.ru
  * @see      https://help.retailcrm.ru
  */
-class ContainerFactory implements FactoryInterface
+class ContainerBuilder implements BuilderInterface
 {
     /**
      * @var string $env
      */
-    public $env;
+    private $env;
 
     /**
      * @var \Psr\Http\Client\ClientInterface $httpClient
      */
-    public $httpClient;
+    private $httpClient;
+
+    /**
+     * @var \Psr\Log\LoggerInterface $logger
+     */
+    private $logger;
+
+    /**
+     * @return static
+     */
+    public static function create(): self
+    {
+        return new self();
+    }
 
     /**
      * @param string $environmentType
      *
-     * @return ContainerFactory
+     * @return ContainerBuilder
      */
-    public static function withEnv(string $environmentType = Environment::DEV): ContainerFactory
+    public function setEnv(string $environmentType = Environment::DEV): self
     {
-        $factory = new self();
-        $factory->env = $environmentType;
-
-        return $factory;
+        $this->env = $environmentType;
+        return $this;
     }
 
     /**
      * @param \Psr\Http\Client\ClientInterface $httpClient
      *
-     * @return \RetailCrm\Factory\ContainerFactory
+     * @return \RetailCrm\Builder\ContainerBuilder
      */
-    public function withClient(ClientInterface $httpClient): ContainerFactory
+    public function setClient(ClientInterface $httpClient): ContainerBuilder
     {
         $this->httpClient = $httpClient;
         return $this;
     }
 
+    /**
+     * @param \Psr\Log\LoggerInterface $logger
+     *
+     * @return ContainerBuilder
+     */
+    public function setLogger(LoggerInterface $logger): ContainerBuilder
+    {
+        $this->logger = $logger;
+        return $this;
+    }
+
     /**
      * @return \Psr\Container\ContainerInterface
      */
-    public function create(): ContainerInterface
+    public function build(): ContainerInterface
     {
         $container = new Container();
 
@@ -106,6 +128,7 @@ class ContainerFactory implements FactoryInterface
     protected function setProdServices(Container $container): void
     {
         $container->set(Constants::HTTP_CLIENT, $this->httpClient);
+        $container->set(Constants::LOGGER, $this->logger ?: new NullLogger());
         $container->set(
             Constants::VALIDATOR,
             Validation::createValidatorBuilder()->enableAnnotationMapping()->getValidator()
diff --git a/src/Component/AppData.php b/src/Component/AppData.php
index cf3eb9f..3c3e4d5 100644
--- a/src/Component/AppData.php
+++ b/src/Component/AppData.php
@@ -64,20 +64,6 @@ class AppData implements AppDataInterface
         $this->appSecret  = $appSecret;
     }
 
-    /**
-     * Constructor shortcut
-     *
-     * @param string $serviceUrl
-     * @param string $appKey
-     * @param string $appSecret
-     *
-     * @return \RetailCrm\Component\AppData
-     */
-    public static function create(string $serviceUrl, string $appKey, string $appSecret): AppDataInterface
-    {
-        return new self($serviceUrl, $appKey, $appSecret);
-    }
-
     /**
      * @return string
      */
diff --git a/src/Component/Constants.php b/src/Component/Constants.php
index d960a7f..7487614 100644
--- a/src/Component/Constants.php
+++ b/src/Component/Constants.php
@@ -26,6 +26,7 @@ class Constants
 {
     public const HTTP_CLIENT    = 'httpClient';
     public const SERIALIZER     = 'serializer';
+    public const LOGGER         = 'logger';
     public const VALIDATOR      = 'validator';
     public const TOP_VERSION    = 'top-sdk-php-20180326';
     public const SIGN_TYPE_MD5  = 'md5';
diff --git a/src/Component/Logger/AbstractLogger.php b/src/Component/Logger/AbstractLogger.php
new file mode 100644
index 0000000..fe6b4a1
--- /dev/null
+++ b/src/Component/Logger/AbstractLogger.php
@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * PHP version 7.3
+ *
+ * @category AbstractLogger
+ * @package  RetailCrm\Component\Logger
+ * @author   RetailCRM <integration@retailcrm.ru>
+ * @license  MIT
+ * @link     http://retailcrm.ru
+ * @see      http://help.retailcrm.ru
+ */
+namespace RetailCrm\Component\Logger;
+
+use Psr\Log\AbstractLogger as BaseAbstractLogger;
+
+/**
+ * Class AbstractLogger
+ *
+ * @category AbstractLogger
+ * @package  RetailCrm\Component\Logger
+ * @author   RetailDriver LLC <integration@retailcrm.ru>
+ * @license  MIT
+ * @link     http://retailcrm.ru
+ * @see      https://help.retailcrm.ru
+ */
+abstract class AbstractLogger extends BaseAbstractLogger
+{
+    /**
+     * @param mixed $level
+     * @param string $message
+     * @param array $context
+     *
+     * @return string
+     */
+    protected function formatMessage($level, $message, $context = [])
+    {
+        return sprintf(
+            '[%s] %s %s',
+            $level,
+            $message,
+            $this->encodeContext($context)
+        );
+    }
+
+    /**
+     * @param array $context
+     *
+     * @return false|string
+     */
+    protected function encodeContext(array $context = [])
+    {
+        try {
+            return json_encode($context, JSON_THROW_ON_ERROR);
+        } catch (\Exception $exception) {
+            return '';
+        }
+    }
+}
diff --git a/src/Component/Logger/FileLogger.php b/src/Component/Logger/FileLogger.php
new file mode 100644
index 0000000..4b6332f
--- /dev/null
+++ b/src/Component/Logger/FileLogger.php
@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * PHP version 7.3
+ *
+ * @category FileLogger
+ * @package  RetailCrm\Component\Logger
+ * @author   RetailCRM <integration@retailcrm.ru>
+ * @license  MIT
+ * @link     http://retailcrm.ru
+ * @see      http://help.retailcrm.ru
+ */
+namespace RetailCrm\Component\Logger;
+
+/**
+ * Class FileLogger
+ *
+ * @category FileLogger
+ * @package  RetailCrm\Component\Logger
+ * @author   RetailDriver LLC <integration@retailcrm.ru>
+ * @license  MIT
+ * @link     http://retailcrm.ru
+ * @see      https://help.retailcrm.ru
+ */
+class FileLogger extends AbstractLogger
+{
+    /** @var string $ */
+    private $fileName;
+
+    /**
+     * FileLogger constructor.
+     *
+     * @param string $fileName
+     */
+    public function __construct(string $fileName)
+    {
+        $this->fileName = $fileName;
+    }
+
+    /**
+     * @param mixed  $level
+     * @param string $message
+     * @param array  $context
+     */
+    public function log($level, $message, array $context = [])
+    {
+        error_log($this->formatMessage($level, $message, $context), 3, $this->fileName);
+    }
+}
diff --git a/src/Component/Logger/StdoutLogger.php b/src/Component/Logger/StdoutLogger.php
new file mode 100644
index 0000000..2611256
--- /dev/null
+++ b/src/Component/Logger/StdoutLogger.php
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * PHP version 7.3
+ *
+ * @category StdioLogger
+ * @package  RetailCrm\Component\Logger
+ * @author   RetailCRM <integration@retailcrm.ru>
+ * @license  MIT
+ * @link     http://retailcrm.ru
+ * @see      http://help.retailcrm.ru
+ */
+namespace RetailCrm\Component\Logger;
+
+/**
+ * Class StdioLogger
+ *
+ * @category StdioLogger
+ * @package  RetailCrm\Component\Logger
+ * @author   RetailDriver LLC <integration@retailcrm.ru>
+ * @license  MIT
+ * @link     http://retailcrm.ru
+ * @see      https://help.retailcrm.ru
+ */
+class StdoutLogger extends AbstractLogger
+{
+    /**
+     * @param mixed  $level
+     * @param string $message
+     * @param array  $context
+     */
+    public function log($level, $message, array $context = [])
+    {
+        fwrite(STDOUT, $this->formatMessage($level, $message, $context) . PHP_EOL);
+    }
+}
diff --git a/src/Interfaces/BuilderInterface.php b/src/Interfaces/BuilderInterface.php
new file mode 100644
index 0000000..58279da
--- /dev/null
+++ b/src/Interfaces/BuilderInterface.php
@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * PHP version 7.3
+ *
+ * @category BuilderInterface
+ * @package  RetailCrm\Interfaces
+ * @author   RetailCRM <integration@retailcrm.ru>
+ * @license  MIT
+ * @link     http://retailcrm.ru
+ * @see      http://help.retailcrm.ru
+ */
+
+namespace RetailCrm\Interfaces;
+
+/**
+ * Interface BuilderInterface
+ *
+ * @category BuilderInterface
+ * @package  RetailCrm\Interfaces
+ * @author   RetailDriver LLC <integration@retailcrm.ru>
+ * @license  MIT
+ * @link     http://retailcrm.ru
+ * @see      https://help.retailcrm.ru
+ */
+interface BuilderInterface
+{
+    /**
+     * @return object
+     */
+    public function build();
+}
diff --git a/src/Interfaces/ContainerAwareInterface.php b/src/Interfaces/ContainerAwareInterface.php
index ef62e6a..ae8ab5d 100644
--- a/src/Interfaces/ContainerAwareInterface.php
+++ b/src/Interfaces/ContainerAwareInterface.php
@@ -32,7 +32,7 @@ interface ContainerAwareInterface
      *
      * @return mixed
      */
-    public function setContainer(ContainerInterface $container): void;
+    public function setContainer(ContainerInterface $container);
 
     /**
      * @return \Psr\Container\ContainerInterface
diff --git a/src/Traits/ContainerAwareTrait.php b/src/Traits/ContainerAwareTrait.php
index 6d4fa28..2ebde7f 100644
--- a/src/Traits/ContainerAwareTrait.php
+++ b/src/Traits/ContainerAwareTrait.php
@@ -36,10 +36,13 @@ trait ContainerAwareTrait
 
     /**
      * @param \Psr\Container\ContainerInterface $container
+     *
+     * @return \RetailCrm\Traits\ContainerAwareTrait
      */
-    public function setContainer(ContainerInterface $container): void
+    public function setContainer(ContainerInterface $container): self
     {
         $this->container = $container;
+        return $this;
     }
 
     /**
diff --git a/tests/RetailCrm/Test/TestCase.php b/tests/RetailCrm/Test/TestCase.php
index 97433da..b51abfb 100644
--- a/tests/RetailCrm/Test/TestCase.php
+++ b/tests/RetailCrm/Test/TestCase.php
@@ -4,10 +4,11 @@ namespace RetailCrm\Test;
 
 use DateTime;
 use Psr\Container\ContainerInterface;
+use RetailCrm\Builder\ContainerBuilder;
 use RetailCrm\Component\AppData;
 use RetailCrm\Component\Authenticator\TokenAuthenticator;
 use RetailCrm\Component\Environment;
-use RetailCrm\Factory\ContainerFactory;
+use RetailCrm\Component\Logger\StdoutLogger;
 use RetailCrm\Factory\FileItemFactory;
 use RetailCrm\Interfaces\AppDataInterface;
 use RetailCrm\Interfaces\AuthenticatorInterface;
@@ -22,7 +23,7 @@ use RetailCrm\Interfaces\AuthenticatorInterface;
  * @link     http://retailcrm.ru
  * @see      https://help.retailcrm.ru
  */
-class TestCase extends \PHPUnit\Framework\TestCase
+abstract class TestCase extends \PHPUnit\Framework\TestCase
 {
     private $container;
 
@@ -34,9 +35,11 @@ class TestCase extends \PHPUnit\Framework\TestCase
     protected function getContainer($recreate = false): ContainerInterface
     {
         if (null === $this->container || $recreate) {
-            $this->container = ContainerFactory::withEnv(Environment::TEST)
-                ->withClient(new \GuzzleHttp\Client())
-                ->create();
+            $this->container = ContainerBuilder::create()
+                ->setEnv(Environment::TEST)
+                ->setClient(new \GuzzleHttp\Client())
+                ->setLogger(new StdoutLogger())
+                ->build();
         }
 
         return $this->container;
diff --git a/tests/RetailCrm/Tests/Component/ClientFactoryTest.php b/tests/RetailCrm/Tests/Builder/ClientFactoryTest.php
similarity index 62%
rename from tests/RetailCrm/Tests/Component/ClientFactoryTest.php
rename to tests/RetailCrm/Tests/Builder/ClientFactoryTest.php
index 8a2f7c5..921a7f4 100644
--- a/tests/RetailCrm/Tests/Component/ClientFactoryTest.php
+++ b/tests/RetailCrm/Tests/Builder/ClientFactoryTest.php
@@ -3,40 +3,41 @@
 /**
  * PHP version 7.4
  *
- * @category ClientFactoryTest
- * @package  RetailCrm\Tests\Component
+ * @category ClientBuilderTest
+ * @package  RetailCrm\Tests\Builder
  * @author   RetailCRM <integration@retailcrm.ru>
  * @license  MIT
  * @link     http://retailcrm.ru
  * @see      http://help.retailcrm.ru
  */
-namespace RetailCrm\Tests\Component;
+namespace RetailCrm\Tests\Builder;
 
 use RetailCrm\Component\AppData;
 use RetailCrm\Component\Authenticator\TokenAuthenticator;
 use RetailCrm\Component\ServiceLocator;
-use RetailCrm\Factory\ClientFactory;
+use RetailCrm\Builder\ClientBuilder;
 use RetailCrm\Test\TestCase;
 use RetailCrm\TopClient\Client;
 
 /**
- * Class ClientFactoryTest
+ * Class ClientBuilderTest
  *
- * @category ClientFactoryTest
- * @package  RetailCrm\Tests\Component
+ * @category ClientBuilderTest
+ * @package  RetailCrm\Tests\Builder
  * @author   RetailDriver LLC <integration@retailcrm.ru>
  * @license  MIT
  * @link     http://retailcrm.ru
  * @see      https://help.retailcrm.ru
  */
-class ClientFactoryTest extends TestCase
+class ClientBuilderTest extends TestCase
 {
     public function testCreateClient()
     {
-        $client = ClientFactory::withContainer($this->getContainer())
-            ->setAppData(AppData::create(AppData::OVERSEAS_ENDPOINT, 'appKey', 'helloworld'))
+        $client = ClientBuilder::create()
+            ->setContainer($this->getContainer())
+            ->setAppData(new AppData(AppData::OVERSEAS_ENDPOINT, 'appKey', 'helloworld'))
             ->setAuthenticator(new TokenAuthenticator('appKey', 'token'))
-            ->create();
+            ->build();
 
         self::assertInstanceOf(Client::class, $client);
         self::assertInstanceOf(ServiceLocator::class, $client->getServiceLocator());