diff --git a/src/Benhawker/Pipedrive/Library/Deals.php b/src/Benhawker/Pipedrive/Library/Deals.php
index 533c2d8..34ceb61 100644
--- a/src/Benhawker/Pipedrive/Library/Deals.php
+++ b/src/Benhawker/Pipedrive/Library/Deals.php
@@ -42,6 +42,18 @@ public function getById($id)
         return $this->curl->get('deals/' . $id);
     }
 
+    /**
+     * Returns a deal / deals filtered by filter id
+     *
+     * @param  int      $filterId pipedrive deals filter id
+     * @return array    returns detials of a deal
+     */
+    public function getByFilter($filterId) {
+        $filterId = (int) $filterId;
+        $params = array("filter_id" => $filterId);
+        return $this->curl->get("deals", $params);
+    }
+
     /**
      * Returns a deal / deals
      *
@@ -91,7 +103,7 @@ public function add(array $data)
 
         return $this->curl->post('deals', $data);
     }
-    
+
     /**
      * Adds a product to a deal
      *
diff --git a/src/Benhawker/Pipedrive/Library/Filters.php b/src/Benhawker/Pipedrive/Library/Filters.php
new file mode 100644
index 0000000..4156098
--- /dev/null
+++ b/src/Benhawker/Pipedrive/Library/Filters.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace Benhawker\Pipedrive\Library;
+
+
+/**
+ * Pipedrive Filters Methods
+ *
+ * Each filter is essentially a set of data validation conditions. A filter of
+ * the same kind can be applied when fetching list of Deals, Persons,
+ * Organizations, Products or Deals in the context of a Pipeline. 
+ * When applied, only items matching the conditions of the filter are returned. 
+ * Detailed definitions of filter conditions and additional functionality is
+ * not yet available.
+ *
+ */
+class Filters {
+
+    /**
+     * Hold the pipedrive cURL session
+     * @var \Benhawker\Pipedrive\Library\Curl Curl Object
+     */
+    protected $curl;
+
+    /**
+     * Initialise the object load master class
+     */
+    public function __construct(\Benhawker\Pipedrive\Pipedrive $master) {
+        //associate curl class
+        $this->curl = $master->curl();
+    }
+
+    /**
+     * Returns a filter
+     *
+     * @param  int   $id Pipedrive filter id
+     * @return array returns detials of a filter
+     */
+    public function getById($id) {
+        $id = (int) $id;
+        return $this->curl->get('filters/' . $id);
+    }
+
+    /**
+     * Returns a filter / filters
+     *
+     * @param  string $type ["deals", "org", "people", "products"]
+     * @return array  returns detials of a filters
+     */
+    public function getByType($type = false) {
+        $params = array();
+        if ($type != false) {
+            $params["type"] = $type;
+        }
+        return $this->curl->get("filters", $params);
+    }
+
+}
diff --git a/src/Benhawker/Pipedrive/Library/Pipelines.php b/src/Benhawker/Pipedrive/Library/Pipelines.php
new file mode 100644
index 0000000..bf19c48
--- /dev/null
+++ b/src/Benhawker/Pipedrive/Library/Pipelines.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Benhawker\Pipedrive\Library;
+
+/**
+ * Pipedrive Pipelines Methods
+ *
+ * Pipelines are essentially ordered collections of Stages.
+ *
+ */
+class Pipelines {
+
+    /**
+     * Hold the pipedrive cURL session
+     * @var \Benhawker\Pipedrive\Library\Curl Curl Object
+     */
+    protected $curl;
+
+    /**
+     * Initialise the object load master class
+     */
+    public function __construct(\Benhawker\Pipedrive\Pipedrive $master) {
+        //associate curl class
+        $this->curl = $master->curl();
+    }
+
+    /**
+     * Returns data about a specific pipeline. Also returns the summary of the
+     * deals in this pipeline across its stages.
+     * 
+     * @param  int   $id pipedrive persons id
+     * @return array returns detials of a pipeline
+     */
+    public function getById($id) {
+        return $this->curl->get('pipelines/' . $id);
+    }
+
+    /**
+     * Returns data about all pipelines
+     * 
+     * @return array returns detials of a pipelines
+     */
+    public function get() {
+        return $this->curl->get('pipelines');
+    }
+
+}
diff --git a/src/Benhawker/Pipedrive/Library/Stages.php b/src/Benhawker/Pipedrive/Library/Stages.php
new file mode 100644
index 0000000..08525a4
--- /dev/null
+++ b/src/Benhawker/Pipedrive/Library/Stages.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Benhawker\Pipedrive\Library;
+
+/**
+ * Pipedrive Stages Methods
+ *
+ * Stage is a logical component of a Pipeline, and essentially a bucket that
+ * can hold a number of Deals. In the context of the Pipeline a stage belongs
+ * to, it has an order number which defines the order of stages in that 
+ * Pipeline.
+ *
+ */
+class Stages {
+
+    /**
+     * Hold the pipedrive cURL session
+     * @var \Benhawker\Pipedrive\Library\Curl Curl Object
+     */
+    protected $curl;
+
+    /**
+     * Initialise the object load master class
+     */
+    public function __construct(\Benhawker\Pipedrive\Pipedrive $master) {
+        //associate curl class
+        $this->curl = $master->curl();
+    }
+
+    /**
+     * Returns data about a specific stage
+     *
+     * @param  int   $id pipedrive stage id
+     * @return array returns detials of a stage
+     */
+    public function getById($id) {
+        return $this->curl->get('stages/' . $id);
+    }
+
+    /**
+     * Returns data about all stages
+     *
+     * @return array  returns detials of all stages
+     */
+    public function get() {
+        return $this->curl->get('stages');
+    }
+
+}
diff --git a/src/Benhawker/Pipedrive/Pipedrive.php b/src/Benhawker/Pipedrive/Pipedrive.php
index 1fe7b18..a68a0a1 100644
--- a/src/Benhawker/Pipedrive/Pipedrive.php
+++ b/src/Benhawker/Pipedrive/Pipedrive.php
@@ -92,6 +92,21 @@ class Pipedrive
      * @var Products Object
      */
     protected $products;
+    /**
+     * Placeholder attritube for the pipedrive filters class
+     * @var Filters Object
+     */
+    protected $filters;
+    /**
+     * Placeholder attritube for the pipedrive pipelines class
+     * @var Pipelines Object
+     */
+    protected $pipelines;
+    /**
+     * Placeholder attritube for the pipedrive stages class
+     * @var Filters Object
+     */
+    protected $stages;
 
     /**
      * Set up API url and load library classes
@@ -123,6 +138,36 @@ public function __construct($apiKey = '', $protocol = 'https', $host = 'api.pipe
         $this->dealFields    = new Library\DealFields($this);
         $this->organizations = new Library\Organizations($this);
         $this->products      = new Library\Products($this);
+        $this->filters       = new Library\Filters($this);
+        $this->pipelines     = new Library\Pipelines($this);
+        $this->stages        = new Library\Stages($this);
+    }
+
+     /**
+     * Sets ApiKey using username and password
+     * 
+     * @param string $username  Username of pipedrive user
+     * @param string $password  Password of pipedrive user
+     * @return Api Key
+     * @throws Exceptions\PipedriveException
+     */
+    public function login($username, $password) {
+        $params = array("email" => $username, "password" => $password);
+        $response = $this->curl()->post("authorizations", $params);
+        $errorMessage = "Wrong email/password combination.";
+
+        //Handle response
+        if (isset($response["success"]) && $response["success"] == true) {
+            if (isset($response["data"]) && isset($response["data"][0]) && isset($response["data"][0]["api_token"])) {
+                $this->apiKey = $response["data"][0]["api_token"];
+                //Reinitalize class constructor in case of some actions must be made with new ApiKey
+                $this->__construct($this->apiKey, $this->protocol, $this->host, $this->version);
+                return $this->apiKey;
+            }
+        } else if (isset($response["error"]) && $response["error"]) {
+            $errorMessage = $response["error"];
+        }
+        throw new Exceptions\PipedriveException($errorMessage);
     }
 
     /**
@@ -204,4 +249,34 @@ public function products()
     {
         return $this->products;
     }
+    
+    /**
+     * Returns the Pipedrive Filters Object
+     *
+     * @return Filters Object
+     */
+    public function filters()
+    {
+        return $this->filters;
+    }
+    
+    /**
+     * Returns the Pipedrive Pipelines Object
+     *
+     * @return Pipelines Object
+     */
+    public function pipelines()
+    {
+        return $this->pipelines;
+    }
+    
+    /**
+     * Returns the Pipedrive Stages Object
+     *
+     * @return Stages Object
+     */
+    public function stages()
+    {
+        return $this->stages;
+    }
 }