diff --git a/README.md b/README.md
index df63f9b..37555ed 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,20 @@ list($status, $data) = $client->doGet("products/1/image", 1);
 list($status, $data) = $client->doPost("products", ["myData"]);
 list($status, $data) = $client->doPut("products", ["myData"]);
 list($status, $data) = $client->doDelete("products", 1);
+list($status, $data) = $client->doPost("products/1/images", [],[],
+	[
+    'multipart' => [
+        [
+            'name'     => 'image1',
+            'contents' => fopen('/path/to/image', 'r')
+        ],
+        [
+            'name'     => 'image2',
+            'contents' => fopen('/path/to/image', 'r')
+        ],
+      ]
+    ]
+);
 ```
 
 Or you can use magic methods that are composed like that: ```methodEntity```
diff --git a/composer.json b/composer.json
index e830ba4..3efd13f 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
     ],
     "require": {
         "php": ">=5.4.0",
-        "guzzle/guzzle": "~3.9"
+        "guzzlehttp/guzzle": "~6.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.3"
diff --git a/composer.lock b/composer.lock
index f3ab465..1d9e89d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,73 +1,48 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "c6f9ba3ddccfb3153172bae04daeee72",
+    "hash": "21908f13e55f07455707227a1ad9edaf",
+    "content-hash": "927874207ada59d2d4ff5ab3d647955e",
     "packages": [
         {
-            "name": "guzzle/guzzle",
-            "version": "v3.9.2",
+            "name": "guzzlehttp/guzzle",
+            "version": "6.1.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/guzzle/guzzle3.git",
-                "reference": "54991459675c1a2924122afbb0e5609ade581155"
+                "url": "https://github.com/guzzle/guzzle.git",
+                "reference": "c6851d6e48f63b69357cbfa55bca116448140e0c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle3/zipball/54991459675c1a2924122afbb0e5609ade581155",
-                "reference": "54991459675c1a2924122afbb0e5609ade581155",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/c6851d6e48f63b69357cbfa55bca116448140e0c",
+                "reference": "c6851d6e48f63b69357cbfa55bca116448140e0c",
                 "shasum": ""
             },
             "require": {
-                "ext-curl": "*",
-                "php": ">=5.3.3",
-                "symfony/event-dispatcher": "~2.1"
-            },
-            "replace": {
-                "guzzle/batch": "self.version",
-                "guzzle/cache": "self.version",
-                "guzzle/common": "self.version",
-                "guzzle/http": "self.version",
-                "guzzle/inflection": "self.version",
-                "guzzle/iterator": "self.version",
-                "guzzle/log": "self.version",
-                "guzzle/parser": "self.version",
-                "guzzle/plugin": "self.version",
-                "guzzle/plugin-async": "self.version",
-                "guzzle/plugin-backoff": "self.version",
-                "guzzle/plugin-cache": "self.version",
-                "guzzle/plugin-cookie": "self.version",
-                "guzzle/plugin-curlauth": "self.version",
-                "guzzle/plugin-error-response": "self.version",
-                "guzzle/plugin-history": "self.version",
-                "guzzle/plugin-log": "self.version",
-                "guzzle/plugin-md5": "self.version",
-                "guzzle/plugin-mock": "self.version",
-                "guzzle/plugin-oauth": "self.version",
-                "guzzle/service": "self.version",
-                "guzzle/stream": "self.version"
+                "guzzlehttp/promises": "~1.0",
+                "guzzlehttp/psr7": "~1.1",
+                "php": ">=5.5.0"
             },
             "require-dev": {
-                "doctrine/cache": "~1.3",
-                "monolog/monolog": "~1.0",
-                "phpunit/phpunit": "3.7.*",
-                "psr/log": "~1.0",
-                "symfony/class-loader": "~2.1",
-                "zendframework/zend-cache": "2.*,<2.3",
-                "zendframework/zend-log": "2.*,<2.3"
+                "ext-curl": "*",
+                "phpunit/phpunit": "~4.0",
+                "psr/log": "~1.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.9-dev"
+                    "dev-master": "6.1-dev"
                 }
             },
             "autoload": {
-                "psr-0": {
-                    "Guzzle": "src/",
-                    "Guzzle\\Tests": "tests/"
+                "files": [
+                    "src/functions_include.php"
+                ],
+                "psr-4": {
+                    "GuzzleHttp\\": "src/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -79,13 +54,9 @@
                     "name": "Michael Dowling",
                     "email": "mtdowling@gmail.com",
                     "homepage": "https://github.com/mtdowling"
-                },
-                {
-                    "name": "Guzzle Community",
-                    "homepage": "https://github.com/guzzle/guzzle/contributors"
                 }
             ],
-            "description": "Guzzle is a PHP HTTP client library and framework for building RESTful web service clients",
+            "description": "Guzzle is a PHP HTTP client library",
             "homepage": "http://guzzlephp.org/",
             "keywords": [
                 "client",
@@ -96,46 +67,41 @@
                 "rest",
                 "web service"
             ],
-            "time": "2014-08-11 04:32:36"
+            "time": "2015-11-23 00:47:50"
         },
         {
-            "name": "symfony/event-dispatcher",
-            "version": "v2.5.6",
-            "target-dir": "Symfony/Component/EventDispatcher",
+            "name": "guzzlehttp/promises",
+            "version": "1.0.3",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/EventDispatcher.git",
-                "reference": "804eb28dbbfba9ffdab21fe2066744906cea2212"
+                "url": "https://github.com/guzzle/promises.git",
+                "reference": "b1e1c0d55f8083c71eda2c28c12a228d708294ea"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/EventDispatcher/zipball/804eb28dbbfba9ffdab21fe2066744906cea2212",
-                "reference": "804eb28dbbfba9ffdab21fe2066744906cea2212",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/b1e1c0d55f8083c71eda2c28c12a228d708294ea",
+                "reference": "b1e1c0d55f8083c71eda2c28c12a228d708294ea",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": ">=5.5.0"
             },
             "require-dev": {
-                "psr/log": "~1.0",
-                "symfony/config": "~2.0",
-                "symfony/dependency-injection": "~2.0,<2.6.0",
-                "symfony/stopwatch": "~2.2"
-            },
-            "suggest": {
-                "symfony/dependency-injection": "",
-                "symfony/http-kernel": ""
+                "phpunit/phpunit": "~4.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.5-dev"
+                    "dev-master": "1.0-dev"
                 }
             },
             "autoload": {
-                "psr-0": {
-                    "Symfony\\Component\\EventDispatcher\\": ""
-                }
+                "psr-4": {
+                    "GuzzleHttp\\Promise\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -143,32 +109,138 @@
             ],
             "authors": [
                 {
-                    "name": "Symfony Community",
-                    "homepage": "http://symfony.com/contributors"
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle promises library",
+            "keywords": [
+                "promise"
+            ],
+            "time": "2015-10-15 22:28:00"
+        },
+        {
+            "name": "guzzlehttp/psr7",
+            "version": "1.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/psr7.git",
+                "reference": "4d0bdbe1206df7440219ce14c972aa57cc5e4982"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/4d0bdbe1206df7440219ce14c972aa57cc5e4982",
+                "reference": "4d0bdbe1206df7440219ce14c972aa57cc5e4982",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4.0",
+                "psr/http-message": "~1.0"
+            },
+            "provide": {
+                "psr/http-message-implementation": "1.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Psr7\\": "src/"
                 },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
                 {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
                 }
             ],
-            "description": "Symfony EventDispatcher Component",
-            "homepage": "http://symfony.com",
-            "time": "2014-10-01 15:43:05"
+            "description": "PSR-7 message implementation",
+            "keywords": [
+                "http",
+                "message",
+                "stream",
+                "uri"
+            ],
+            "time": "2015-11-03 01:34:55"
+        },
+        {
+            "name": "psr/http-message",
+            "version": "1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-message.git",
+                "reference": "85d63699f0dbedb190bbd4b0d2b9dc707ea4c298"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-message/zipball/85d63699f0dbedb190bbd4b0d2b9dc707ea4c298",
+                "reference": "85d63699f0dbedb190bbd4b0d2b9dc707ea4c298",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Http\\Message\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for HTTP messages",
+            "keywords": [
+                "http",
+                "http-message",
+                "psr",
+                "psr-7",
+                "request",
+                "response"
+            ],
+            "time": "2015-05-04 20:22:00"
         }
     ],
     "packages-dev": [
         {
             "name": "doctrine/instantiator",
-            "version": "1.0.4",
+            "version": "1.0.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "f976e5de371104877ebc89bd8fecb0019ed9c119"
+                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/f976e5de371104877ebc89bd8fecb0019ed9c119",
-                "reference": "f976e5de371104877ebc89bd8fecb0019ed9c119",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/8e884e78f9f0eb1329e445619e04456e64d8051d",
+                "reference": "8e884e78f9f0eb1329e445619e04456e64d8051d",
                 "shasum": ""
             },
             "require": {
@@ -179,7 +251,7 @@
                 "ext-pdo": "*",
                 "ext-phar": "*",
                 "phpunit/phpunit": "~4.0",
-                "squizlabs/php_codesniffer": "2.0.*@ALPHA"
+                "squizlabs/php_codesniffer": "~2.0"
             },
             "type": "library",
             "extra": {
@@ -188,8 +260,8 @@
                 }
             },
             "autoload": {
-                "psr-0": {
-                    "Doctrine\\Instantiator\\": "src"
+                "psr-4": {
+                    "Doctrine\\Instantiator\\": "src/Doctrine/Instantiator/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -209,20 +281,129 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2014-10-13 12:58:55"
+            "time": "2015-06-14 21:17:01"
+        },
+        {
+            "name": "phpdocumentor/reflection-docblock",
+            "version": "2.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
+                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/d68dbdc53dc358a816f00b300704702b2eaff7b8",
+                "reference": "d68dbdc53dc358a816f00b300704702b2eaff7b8",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.0"
+            },
+            "suggest": {
+                "dflydev/markdown": "~1.0",
+                "erusev/parsedown": "~1.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "phpDocumentor": [
+                        "src/"
+                    ]
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mike van Riel",
+                    "email": "mike.vanriel@naenius.com"
+                }
+            ],
+            "time": "2015-02-03 12:10:50"
+        },
+        {
+            "name": "phpspec/prophecy",
+            "version": "v1.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpspec/prophecy.git",
+                "reference": "4745ded9307786b730d7a60df5cb5a6c43cf95f7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/4745ded9307786b730d7a60df5cb5a6c43cf95f7",
+                "reference": "4745ded9307786b730d7a60df5cb5a6c43cf95f7",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/instantiator": "^1.0.2",
+                "phpdocumentor/reflection-docblock": "~2.0",
+                "sebastian/comparator": "~1.1"
+            },
+            "require-dev": {
+                "phpspec/phpspec": "~2.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Prophecy\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Konstantin Kudryashov",
+                    "email": "ever.zet@gmail.com",
+                    "homepage": "http://everzet.com"
+                },
+                {
+                    "name": "Marcello Duarte",
+                    "email": "marcello.duarte@gmail.com"
+                }
+            ],
+            "description": "Highly opinionated mocking framework for PHP 5.3+",
+            "homepage": "https://github.com/phpspec/prophecy",
+            "keywords": [
+                "Double",
+                "Dummy",
+                "fake",
+                "mock",
+                "spy",
+                "stub"
+            ],
+            "time": "2015-08-13 10:07:40"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "2.0.11",
+            "version": "2.2.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "53603b3c995f5aab6b59c8e08c3a663d2cc810b7"
+                "reference": "eabf68b476ac7d0f73793aada060f1c1a9bf8979"
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-                "reference": "53603b3c995f5aab6b59c8e08c3a663d2cc810b7",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/eabf68b476ac7d0f73793aada060f1c1a9bf8979",
+                "reference": "eabf68b476ac7d0f73793aada060f1c1a9bf8979",
                 "shasum": ""
             },
             "require": {
@@ -230,12 +411,12 @@
                 "phpunit/php-file-iterator": "~1.3",
                 "phpunit/php-text-template": "~1.2",
                 "phpunit/php-token-stream": "~1.3",
-                "sebastian/environment": "~1.0",
+                "sebastian/environment": "^1.3.2",
                 "sebastian/version": "~1.0"
             },
             "require-dev": {
                 "ext-xdebug": ">=2.1.4",
-                "phpunit/phpunit": "~4.1"
+                "phpunit/phpunit": "~4"
             },
             "suggest": {
                 "ext-dom": "*",
@@ -245,7 +426,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0.x-dev"
+                    "dev-master": "2.2.x-dev"
                 }
             },
             "autoload": {
@@ -254,9 +435,6 @@
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
-            "include-path": [
-                ""
-            ],
             "license": [
                 "BSD-3-Clause"
             ],
@@ -274,35 +452,37 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2014-08-31 06:33:04"
+            "time": "2015-10-06 15:47:00"
         },
         {
             "name": "phpunit/php-file-iterator",
-            "version": "1.3.4",
+            "version": "1.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-file-iterator.git",
-                "reference": "acd690379117b042d1c8af1fafd61bde001bf6bb"
+                "reference": "6150bf2c35d3fc379e50c7602b75caceaa39dbf0"
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-                "reference": "acd690379117b042d1c8af1fafd61bde001bf6bb",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/6150bf2c35d3fc379e50c7602b75caceaa39dbf0",
+                "reference": "6150bf2c35d3fc379e50c7602b75caceaa39dbf0",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4.x-dev"
+                }
+            },
             "autoload": {
                 "classmap": [
-                    "File/"
+                    "src/"
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
-            "include-path": [
-                ""
-            ],
             "license": [
                 "BSD-3-Clause"
             ],
@@ -319,20 +499,20 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2013-10-10 15:34:57"
+            "time": "2015-06-21 13:08:43"
         },
         {
             "name": "phpunit/php-text-template",
-            "version": "1.2.0",
+            "version": "1.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-text-template.git",
-                "reference": "206dfefc0ffe9cebf65c413e3d0e809c82fbf00a"
+                "reference": "31f8b717e51d9a2afca6c9f046f5d69fc27c8686"
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+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Symfony Community",
-                    "homepage": "http://symfony.com/contributors"
-                },
                 {
                     "name": "Fabien Potencier",
                     "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
                 }
             ],
             "description": "Symfony Yaml Component",
-            "homepage": "http://symfony.com",
-            "time": "2014-10-01 05:50:18"
+            "homepage": "https://symfony.com",
+            "time": "2015-11-30 12:36:17"
         }
     ],
     "aliases": [],
     "minimum-stability": "stable",
     "stability-flags": [],
     "prefer-stable": false,
+    "prefer-lowest": false,
     "platform": {
         "php": ">=5.4.0"
     },
diff --git a/src/Client.php b/src/Client.php
index ac29625..f17d50b 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -12,10 +12,12 @@
 
 namespace Thelia\Api\Client;
 
-use Guzzle\Http\Client as BaseClient;
-use Guzzle\Http\ClientInterface;
-use Guzzle\Http\Message\RequestInterface;
-use Guzzle\Http\Message\Response;
+use GuzzleHttp\Client as BaseClient;
+use GuzzleHttp\ClientInterface;
+use GuzzleHttp\Psr7\RequestInterface;
+use GuzzleHttp\Psr7\Response;
+use GuzzleHttp\Psr7\Request;
+
 
 /**
  * Class Client
@@ -132,6 +134,8 @@ public function doPost($name, $body, array $loopArgs = array(), array $headers =
         );
     }
 
+    
+
     public function doPut($name, $body, $id = null, array $loopArgs = array(), array $headers = array(), array $options = array())
     {
         if (is_array($body)) {
@@ -201,9 +205,11 @@ public function callUrl($method, $fullUrl, array $query = array(), $body = '', a
         $request = $this->prepareRequest($method, $fullUrl, $query, $body, $headers, $options);
 
         try {
-            $response = $request->send();
+            $response = $this->client->send($request);
         } catch (\Exception $e) {
-            $response = $request->getResponse();
+            
+            $response = $e->getmessage();
+            throw new \Exception($response);
         }
 
         if (null === $response) {
@@ -223,14 +229,15 @@ public function callUrl($method, $fullUrl, array $query = array(), $body = '', a
      * @param Response $response
      * @return \Guzzle\Http\EntityBodyInterface|mixed|string
      */
-    public function handleResponse(RequestInterface $request, Response $response)
-    {
+    public function handleResponse(Request $request, Response $response)
+    {   
         $body = $response->getBody(true);
-
-        switch ($response->getContentType()) {
+        $contentType = $response->getHeader('Content-Type')[0];
+        switch ($contentType) {
             case "application/json":
                 $body = json_decode($body, true);
                 break;
+           
         }
 
         return [$response->getStatusCode(), $body];
@@ -252,14 +259,14 @@ public function prepareRequest($method, $fullUrl, array $query = array(), $body
 
         $fullUrl = $this->formatUrl($fullUrl, $query);
 
-        $request = $this->client->createRequest(
+        @$request = new Request(
             $method,
             $fullUrl,
             $headers,
             $body,
             $options
         );
-
+      
         return $request;
     }