diff --git a/.env-example b/.env-example
new file mode 100644
index 00000000000..4f6da72cb4a
--- /dev/null
+++ b/.env-example
@@ -0,0 +1,14 @@
+# token, login
+GITHUB_AUTH_METHOD=
+
+GITHUB_REPO_1=
+GITHUB_USER_1=
+GITHUB_USERNAME_1=
+GITHUB_PASSWORD_1=
+GITHUB_TOKEN_1=
+
+GITHUB_REPO_2=
+GITHUB_USER_2=
+GITHUB_USERNAME_2=
+GITHUB_PASSWORD_2=
+GITHUB_TOKEN_2=
diff --git a/.gitignore b/.gitignore
index 2c9d04ccd11..37d239ef1fc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,7 @@ phpunit.xml
 composer.lock
 composer.phar
 vendor/*
+#
+.idea
+.DS_STORE
+.env
diff --git a/composer.json b/composer.json
index 9c96c716a3f..5ee0d93afcb 100644
--- a/composer.json
+++ b/composer.json
@@ -1,9 +1,14 @@
 {
-    "name": "knplabs/github-api",
+    "name": "teamdevsquad/github-api",
     "type": "library",
     "description": "GitHub API v3 client",
     "homepage": "https://github.com/KnpLabs/php-github-api",
-    "keywords": ["github", "gh", "api", "gist"],
+    "keywords": [
+        "github",
+        "gh",
+        "api",
+        "gist"
+    ],
     "license": "MIT",
     "authors": [
         {
@@ -32,13 +37,18 @@
         "php-http/mock-client": "^1.0",
         "guzzlehttp/psr7": "^1.2",
         "sllh/php-cs-fixer-styleci-bridge": "^1.3",
-        "cache/array-adapter": "^0.4"
+        "cache/array-adapter": "^0.4",
+        "vlucas/phpdotenv": "^2.4"
     },
     "autoload": {
-        "psr-4": { "Github\\": "lib/Github/" }
+        "psr-4": {
+            "Github\\": "lib/Github/"
+        }
     },
     "autoload-dev": {
-        "psr-4": { "Github\\Tests\\": "test/Github/Tests/"}
+        "psr-4": {
+            "Github\\Tests\\": "test/Github/Tests/"
+        }
     },
     "minimum-stability": "dev",
     "prefer-stable": true,
diff --git a/lib/Github/Api/Repo.php b/lib/Github/Api/Repo.php
index c0c54a95f15..497c733ea27 100644
--- a/lib/Github/Api/Repo.php
+++ b/lib/Github/Api/Repo.php
@@ -10,6 +10,7 @@
 use Github\Api\Repository\Downloads;
 use Github\Api\Repository\Forks;
 use Github\Api\Repository\Hooks;
+use Github\Api\Repository\Invitations;
 use Github\Api\Repository\Labels;
 use Github\Api\Repository\Projects;
 use Github\Api\Repository\Protection;
@@ -283,6 +284,18 @@ public function collaborators()
         return new Collaborators($this->client);
     }
 
+    /**
+     * Manage the invitations of a repository.
+     *
+     * @link http://developer.github.com/v3/repos/invitations/
+     *
+     * @return Invitations
+     */
+    public function invitations()
+    {
+        return new Invitations($this->client);
+    }
+
     /**
      * Manage the comments of a repository.
      *
diff --git a/lib/Github/Api/Repository/Invitations.php b/lib/Github/Api/Repository/Invitations.php
new file mode 100644
index 00000000000..bc4c966da3a
--- /dev/null
+++ b/lib/Github/Api/Repository/Invitations.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Github\Api\Repository;
+
+use Github\Api\AbstractApi;
+
+class Invitations extends AbstractApi
+{
+    public function all($username, $repository, array $params = [])
+    {
+        return $this->get('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/invitations', array_merge(['page' => 1], $params));
+    }
+
+    public function update($username, $repository, $invitation, array $params)
+    {
+        return $this->patch('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/invitations/'.rawurlencode($invitation), $params);
+    }
+
+    public function accept($invitation)
+    {
+        return $this->patch('/user/repository_invitations/'.rawurlencode($invitation));
+    }
+
+    public function decline($invitation)
+    {
+        return $this->delete('/user/repository_invitations/'.rawurlencode($invitation));
+    }
+
+    public function remove($username, $repository, $invitation)
+    {
+        return $this->delete('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/invitations/'.rawurlencode($invitation));
+    }
+}
diff --git a/test/Github/Tests/Integration/InvitationsTest.php b/test/Github/Tests/Integration/InvitationsTest.php
new file mode 100644
index 00000000000..9321e337622
--- /dev/null
+++ b/test/Github/Tests/Integration/InvitationsTest.php
@@ -0,0 +1,100 @@
+<?php
+
+namespace Github\Tests\Integration;
+
+use Github\Client;
+
+/**
+ * @group integration
+ */
+class InvitationsTest extends TestCase
+{
+    private $username;
+    private $repo;
+
+    /** @var Client */
+    private $invitedClient;
+
+    public function setUp()
+    {
+        parent::setUp();
+        $this->username = getenv('GITHUB_USER_1');
+        $this->repo = getenv('GITHUB_REPO_1');
+
+        $this->invitedClient = new Client();
+        $this->auth($this->invitedClient, 2);
+    }
+
+    /**
+     * @test
+     */
+    public function test()
+    {
+        $invitations = $this->listInvitations();
+        $originalSize = count($invitations);
+
+        $this->client->repo()->collaborators()->add($this->username, $this->repo, getenv('GITHUB_USER_2'));
+        $invitations = $this->listInvitations();
+        $this->assertEquals($originalSize + 1, count($invitations));
+        $invitation = $invitations[$originalSize];
+
+        $collaborators = $this->client->repo()->collaborators()->all($this->username, $this->repo);
+        $collaboratorsCount = count($collaborators);
+
+        $this->accept($invitation['id']);
+        $collaborators = $this->client->repo()->collaborators()->all($this->username, $this->repo);
+        $this->assertEquals($collaboratorsCount + 1, count($collaborators));
+
+        $this->client->repo()->collaborators()->remove($this->username, $this->repo, getenv('GITHUB_USER_2'));
+
+        $this->client->repo()->collaborators()->add($this->username, $this->repo, getenv('GITHUB_USER_2'));
+        $invitations = $this->listInvitations();
+        $this->assertEquals($originalSize + 1, count($invitations));
+        $invitation = $invitations[$originalSize];
+
+        $this->decline($invitation['id']);
+        $invitations = $this->listInvitations();
+        $this->assertEquals($originalSize, count($invitations));
+
+        $this->client->repo()->collaborators()->add($this->username, $this->repo, getenv('GITHUB_USER_2'));
+        $invitations = $this->listInvitations();
+        $this->assertEquals($originalSize + 1, count($invitations));
+        $invitation = $invitations[$originalSize];
+
+        $this->updateInvitation($invitation['id']);
+        $invitations = $this->listInvitations();
+        $invitation = $invitations[$originalSize];
+        $this->assertEquals('read', $invitation['permissions']);
+
+        $this->removeInvitation($invitation['id']);
+        $invitations = $this->listInvitations();
+        $this->assertEquals($originalSize, count($invitations));
+    }
+
+    public function decline($id)
+    {
+        return $this->invitedClient->repo()->invitations()->decline($id);
+    }
+
+    public function accept($id)
+    {
+        return $this->invitedClient->repo()->invitations()->accept($id);
+    }
+
+    public function updateInvitation($id)
+    {
+        return $this->client->repo()->invitations()->update($this->username, $this->repo, $id, [
+            'permissions' => 'read',
+        ]);
+    }
+
+    public function listInvitations()
+    {
+        return $this->client->repo()->invitations()->all($this->username, $this->repo);
+    }
+
+    public function removeInvitation($id)
+    {
+        return $this->client->repo()->invitations()->remove($this->username, $this->repo, $id);
+    }
+}
diff --git a/test/Github/Tests/Integration/TestCase.php b/test/Github/Tests/Integration/TestCase.php
index 6f8e5815719..f6206c9c31f 100644
--- a/test/Github/Tests/Integration/TestCase.php
+++ b/test/Github/Tests/Integration/TestCase.php
@@ -2,6 +2,7 @@
 
 namespace Github\Tests\Integration;
 
+use Dotenv\Dotenv;
 use Github\Client;
 use Github\Exception\ApiLimitExceedException;
 use Github\Exception\RuntimeException;
@@ -20,6 +21,7 @@ public function setUp()
     {
         // You have to specify authentication here to run full suite
         $client = new Client();
+        $this->auth($client);
 
         try {
             $client->api('current_user')->show();
@@ -33,4 +35,26 @@ public function setUp()
 
         $this->client = $client;
     }
+
+    protected function auth(Client &$client, $accountNumber = 1)
+    {
+        try {
+            (new Dotenv(__DIR__.'/../../../../'))->load();
+            $method = getenv('GITHUB_AUTH_METHOD');
+            if (!getenv('GITHUB_AUTH_METHOD')) {
+                return;
+            }
+            switch ($method) {
+                case 'token':
+                    $client->authenticate($method, getenv('GITHUB_TOKEN_'.$accountNumber));
+                    break;
+                case 'login':
+                    $client->authenticate($method, getenv('GITHUB_USERNAME_'.$accountNumber),
+                        getenv('GITHUB_PASSWORD_{$accountNumber}'));
+                    break;
+            }
+        } catch (\Exception $e) {
+            error_log('Unable to authenticated', 0);
+        }
+    }
 }