diff --git a/lib/GraphQL.php b/lib/GraphQL.php
index 7d49d25..185593b 100644
--- a/lib/GraphQL.php
+++ b/lib/GraphQL.php
@@ -11,6 +11,8 @@
 namespace PHPShopify;
 
 
+use PHPShopify\Exception\ApiException;
+use PHPShopify\Exception\CurlException;
 use PHPShopify\Exception\SdkException;
 
 class GraphQL extends ShopifyResource
@@ -33,6 +35,8 @@ protected function getResourcePath()
      * @param array|null $variables
      *
      * @uses HttpRequestGraphQL::post() to send the HTTP request
+     * @throws ApiException if the response has an error specified
+     * @throws CurlException if response received with unexpected HTTP code.
      *
      * @return array
      */
@@ -47,6 +51,7 @@ public function post($graphQL, $url = null, $wrapData = false, $variables = null
 
     /**
      * @inheritdoc
+     * @throws SdkException
      */
     public function get($urlParams = array(), $url = null, $dataKey = null)
     {
@@ -55,6 +60,7 @@ public function get($urlParams = array(), $url = null, $dataKey = null)
 
     /**
      * @inheritdoc
+     * @throws SdkException
      */
     public function put($dataArray, $url = null, $wrapData = true)
     {
@@ -63,6 +69,7 @@ public function put($dataArray, $url = null, $wrapData = true)
 
     /**
      * @inheritdoc
+     * @throws SdkException
      */
     public function delete($urlParams = array(), $url = null)
     {
diff --git a/lib/HttpRequestJson.php b/lib/HttpRequestJson.php
index ee8372a..ceab78f 100644
--- a/lib/HttpRequestJson.php
+++ b/lib/HttpRequestJson.php
@@ -62,7 +62,7 @@ protected static function prepareRequest($httpHeaders = array(), $dataArray = ar
      * @param string $url
      * @param array $httpHeaders
      *
-     * @return string
+     * @return array
      */
     public static function get($url, $httpHeaders = array())
     {
@@ -80,7 +80,7 @@ public static function get($url, $httpHeaders = array())
      * @param array $dataArray
      * @param array $httpHeaders
      *
-     * @return string
+     * @return array
      */
     public static function post($url, $dataArray, $httpHeaders = array())
     {
@@ -98,7 +98,7 @@ public static function post($url, $dataArray, $httpHeaders = array())
      * @param array $dataArray
      * @param array $httpHeaders
      *
-     * @return string
+     * @return array
      */
     public static function put($url, $dataArray, $httpHeaders = array())
     {
@@ -115,7 +115,7 @@ public static function put($url, $dataArray, $httpHeaders = array())
      * @param string $url
      * @param array $httpHeaders
      *
-     * @return string
+     * @return array
      */
     public static function delete($url, $httpHeaders = array())
     {
diff --git a/lib/ShopifyResource.php b/lib/ShopifyResource.php
index e8f6542..8d7be10 100644
--- a/lib/ShopifyResource.php
+++ b/lib/ShopifyResource.php
@@ -302,6 +302,9 @@ public function generateUrl($urlParams = array(), $customAction = null)
      *
      * @uses HttpRequestJson::get() to send the HTTP request
      *
+     * @throws ApiException if the response has an error specified
+     * @throws CurlException if response received with unexpected HTTP code.
+     *
      * @return array
      */
     public function get($urlParams = array(), $url = null, $dataKey = null)
@@ -321,6 +324,10 @@ public function get($urlParams = array(), $url = null, $dataKey = null)
      *
      * @param array $urlParams Check Shopify API reference of the specific resource for the list of URL parameters
      *
+     * @throws SdkException
+     * @throws ApiException if the response has an error specified
+     * @throws CurlException if response received with unexpected HTTP code.
+     *
      * @return integer
      */
     public function count($urlParams = array())
@@ -340,6 +347,8 @@ public function count($urlParams = array())
      * @param mixed $query
      *
      * @throws SdkException if search is not enabled for the resouce
+     * @throws ApiException if the response has an error specified
+     * @throws CurlException if response received with unexpected HTTP code.
      *
      * @return array
      */
@@ -365,6 +374,9 @@ public function search($query)
      *
      * @uses HttpRequestJson::post() to send the HTTP request
      *
+     * @throws ApiException if the response has an error specified
+     * @throws CurlException if response received with unexpected HTTP code.
+     *
      * @return array
      */
     public function post($dataArray, $url = null, $wrapData = true)
@@ -387,6 +399,9 @@ public function post($dataArray, $url = null, $wrapData = true)
      *
      * @uses HttpRequestJson::put() to send the HTTP request
      *
+     * @throws ApiException if the response has an error specified
+     * @throws CurlException if response received with unexpected HTTP code.
+     *
      * @return array
      */
     public function put($dataArray, $url = null, $wrapData = true)
@@ -409,6 +424,9 @@ public function put($dataArray, $url = null, $wrapData = true)
      *
      * @uses HttpRequestJson::delete() to send the HTTP request
      *
+     * @throws ApiException if the response has an error specified
+     * @throws CurlException if response received with unexpected HTTP code.
+     *
      * @return array an empty array will be returned if the request is successfully completed
      */
     public function delete($urlParams = array(), $url = null)
@@ -493,7 +511,7 @@ public function processResponse($responseArray, $dataKey = null)
         if (isset($responseArray['errors'])) {
             $message = $this->castString($responseArray['errors']);
 
-            throw new ApiException($message);
+            throw new ApiException($message, CurlRequest::$lastHttpCode);
         }
 
         if ($dataKey && isset($responseArray[$dataKey])) {