diff --git a/composer.json b/composer.json
index e1a34004c..700c8ea35 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,8 @@
     "description": "Protótipo",
     "type": "wordpress-plugin",
     "require": {
-        "respect/validation": "^1.1"
+        "respect/validation": "^1.1",
+        "guzzlehttp/guzzle": "^6.2@dev"
     },
     "minimum-stability": "dev",
     "config": {
diff --git a/composer.lock b/composer.lock
index 21706ee0d..a95c05091 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,239 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "e0eb272f68b3132a64ef299d34cf9700",
+    "content-hash": "06908e8219e421f4b636b0159525e648",
     "packages": [
+        {
+            "name": "guzzlehttp/guzzle",
+            "version": "6.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/guzzle.git",
+                "reference": "f4db5a78a5ea468d4831de7f0bf9d9415e348699"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/f4db5a78a5ea468d4831de7f0bf9d9415e348699",
+                "reference": "f4db5a78a5ea468d4831de7f0bf9d9415e348699",
+                "shasum": ""
+            },
+            "require": {
+                "guzzlehttp/promises": "^1.0",
+                "guzzlehttp/psr7": "^1.4",
+                "php": ">=5.5"
+            },
+            "require-dev": {
+                "ext-curl": "*",
+                "phpunit/phpunit": "^4.0 || ^5.0",
+                "psr/log": "^1.0"
+            },
+            "suggest": {
+                "psr/log": "Required for using the Log middleware"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "6.2-dev"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "src/functions_include.php"
+                ],
+                "psr-4": {
+                    "GuzzleHttp\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle is a PHP HTTP client library",
+            "homepage": "http://guzzlephp.org/",
+            "keywords": [
+                "client",
+                "curl",
+                "framework",
+                "http",
+                "http client",
+                "rest",
+                "web service"
+            ],
+            "time": "2017-06-22T18:50:49+00:00"
+        },
+        {
+            "name": "guzzlehttp/promises",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/promises.git",
+                "reference": "e9cdab6ff93ff789b5b599326c727f51d10893a6"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/e9cdab6ff93ff789b5b599326c727f51d10893a6",
+                "reference": "e9cdab6ff93ff789b5b599326c727f51d10893a6",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.36"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Promise\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle promises library",
+            "keywords": [
+                "promise"
+            ],
+            "time": "2017-10-06T12:25:00+00:00"
+        },
+        {
+            "name": "guzzlehttp/psr7",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/psr7.git",
+                "reference": "d2537c86fa8b004c29e9b9f5e10028f0a29df101"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/d2537c86fa8b004c29e9b9f5e10028f0a29df101",
+                "reference": "d2537c86fa8b004c29e9b9f5e10028f0a29df101",
+                "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": "1.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Psr7\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "homepage": "https://github.com/Tobion"
+                }
+            ],
+            "description": "PSR-7 message implementation that also provides common utility methods",
+            "keywords": [
+                "http",
+                "message",
+                "request",
+                "response",
+                "stream",
+                "uri",
+                "url"
+            ],
+            "time": "2017-10-07T03:19:56+00:00"
+        },
+        {
+            "name": "psr/http-message",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-message.git",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-message/zipball/f6561bf28d520154e4b0ec72be95418abe6d9363",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363",
+                "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",
+            "homepage": "https://github.com/php-fig/http-message",
+            "keywords": [
+                "http",
+                "http-message",
+                "psr",
+                "psr-7",
+                "request",
+                "response"
+            ],
+            "time": "2016-08-06T14:39:51+00:00"
+        },
         {
             "name": "respect/validation",
             "version": "1.1.x-dev",
@@ -134,7 +365,9 @@
     "packages-dev": [],
     "aliases": [],
     "minimum-stability": "dev",
-    "stability-flags": [],
+    "stability-flags": {
+        "guzzlehttp/guzzle": 20
+    },
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
diff --git a/src/api/endpoints/class-tainacan-rest-items-controller.php b/src/api/endpoints/class-tainacan-rest-items-controller.php
new file mode 100644
index 000000000..4433150d0
--- /dev/null
+++ b/src/api/endpoints/class-tainacan-rest-items-controller.php
@@ -0,0 +1,11 @@
+<?php
+
+use Tainacan\Repositories;
+
+class TAINACAN_REST_Items_Controller extends WP_REST_Controller {
+
+
+
+}
+
+?>
\ No newline at end of file
diff --git a/src/api/tainacan-rest-creator.php b/src/api/tainacan-rest-creator.php
index add4add25..2e1e6f2b9 100644
--- a/src/api/tainacan-rest-creator.php
+++ b/src/api/tainacan-rest-creator.php
@@ -1,6 +1,6 @@
 <?php
 
-const ENDPOINTS_DIR    = __DIR__ . '/endpoints/';
+const ENDPOINTS_DIR = __DIR__ . '/endpoints/';
 
 require_once(ENDPOINTS_DIR . 'class-tainacan-rest-collections-controller.php');
 $rest_collections_controller = new TAINACAN_REST_Collections_Controller();
diff --git a/src/classes/entities/class-tainacan-collection.php b/src/classes/entities/class-tainacan-collection.php
index a40c81a0e..9db5207e7 100644
--- a/src/classes/entities/class-tainacan-collection.php
+++ b/src/classes/entities/class-tainacan-collection.php
@@ -11,7 +11,7 @@ class Collection extends Entity {
 
     protected static $post_type = 'tainacan-collections';
     protected $repository = 'Tainacan_Collections';
-      
+
     /**
      * Create an instance of Collection
      * @param integer|\WP_Post optional $which Collection ID or a WP_Post object for existing collections. Leave empty to create a new collection.
@@ -19,11 +19,11 @@ class Collection extends Entity {
     function __construct($which = 0) {
         if (is_numeric($which) && $which > 0) {
             $post = get_post($which);
-            
+
             if ($post instanceof \WP_Post) {
                 $this->WP_Post = get_post($which);
             }
-            
+
         } elseif ($which instanceof \WP_Post) {
             $this->WP_Post = $which;
         } else {
@@ -41,7 +41,9 @@ class Collection extends Entity {
                 'name'           => $this->get_name(),
                 'description'    => $this->get_description(),
                 'items_per_page' => $this->get_itens_per_page(),
-            ]
+            ],
+            JSON_NUMERIC_CHECK,
+            JSON_UNESCAPED_UNICODE
         );
     }
     /**
@@ -68,9 +70,9 @@ class Collection extends Entity {
             'parent_item_colon'  => 'Item acima:',
             'menu_name'          => $this->get_name()
         );
-        
+
         $cpt_slug = $this->get_db_identifier();
-        
+
         $args = array(
             'labels'              => $cpt_labels,
             'hierarchical'        => true,
@@ -91,10 +93,10 @@ class Collection extends Entity {
             ],
             'capability_type'     => 'post',
         );
-        
-        if (post_type_exists($this->get_db_identifier())) 
+
+        if (post_type_exists($this->get_db_identifier()))
             unregister_post_type($this->get_db_identifier());
-        
+
         register_post_type($cpt_slug, $args);
     }*/
 
@@ -159,7 +161,7 @@ class Collection extends Entity {
     function get_itens_per_page() {
         return $this->get_mapped_property('itens_per_page');
     }
-    
+
     /**
      * Get collection DB identifier
      *
@@ -170,7 +172,7 @@ class Collection extends Entity {
     function get_db_identifier() {
         return $this->get_id() ? 'tnc_col_' . $this->get_id() : false;
     }
-    
+
     /**
      * Get collection metadata.
      *
@@ -184,7 +186,7 @@ class Collection extends Entity {
         $Tainacan_Metadatas = new \Tainacan\Repositories\Metadatas();
         return $Tainacan_Metadatas->fetch($this);
     }
-    
+
     /**
      * Set the collection name
      *
@@ -198,7 +200,7 @@ class Collection extends Entity {
     /**
      * Set the collection slug
      *
-     * If you dont set the collection slug, it will be set automatically based on the name and 
+     * If you dont set the collection slug, it will be set automatically based on the name and
      * following WordPress default behavior of creating slugs for posts.
      *
      * If you set the slug for an existing one, WordPress will append a number at the end of in order
@@ -250,4 +252,4 @@ class Collection extends Entity {
     function set_itens_per_page($value) {
         $this->set_mapped_property('itens_per_page', $value);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/test-api-collections.php b/tests/test-api-collections.php
new file mode 100644
index 000000000..ea3ccb36d
--- /dev/null
+++ b/tests/test-api-collections.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace Tainacan\Tests;
+
+use \GuzzleHttp\Client;
+
+class TAINACAN_REST_Collections_Controller extends \PHPUnit_Framework_TestCase {
+    protected $client;
+
+    const URL = 'http://localhost/wordpress/';
+
+    protected function setUp(){
+        $this->client = new Client([
+            'base_uri' => self::URL,
+        ]);
+    }
+
+    public function test_fetch_collection_by_id(){
+        $id = 1;
+        $response = $this->client->request('GET', 'wp-json/tainacan/v2/collections/'. $id);
+
+        $this->assertEquals(200, $response->getStatusCode());
+
+        $data = json_decode(json_decode($response->getBody(), true));
+        var_dump($data);
+        $this->assertEquals('teste', $data->name);
+    }
+
+    public function test_fetch_collections(){
+        $response = $this->client->request('GET', 'wp-json/tainacan/v2/collections/');
+
+        $this->assertEquals(200, $response->getStatusCode());
+
+        $data = json_decode($response->getBody(), true);
+        var_dump($data);
+    }
+
+}
+
+?>