diff --git a/README.md b/README.md
index 8cf48ce..64709a0 100644
--- a/README.md
+++ b/README.md
@@ -185,6 +185,8 @@ logical_operator=AND
 Setting | Default | Description
 --- | --- | ---
 `base_uri` | `null` | This is the base URI that your API requests will be made to.  It should be in a format such as http://my-endpoint.com
+`path_prefix` | `null` | This lets you set a prefix for all API requests - eg. /api/
+  defaults to '/' if nothing is set
 `driver` | `rest` | This parameter specifies the driver to use for making HTTP requests to the remote API. The driver handles how the requests are made, formatted etc.<br /><br />_Supported Options:_ `rest`
 `http_method_param` | `null` | This is a parameter to send with the request that will contain a string disclosing the desired HTTP method ('put', 'post', 'patch', 'delete' etc.).  If specified PUT, POST, PATCH and DELETE requests will all be made as a POST and the given parameter will be added with the http method as it's value. An example might be "_method". <br /><br />Otherwise a true PUT, POST, PATCH or DELETE request will be made 
 
diff --git a/src/Trucker/Finders/InstanceFinder.php b/src/Trucker/Finders/InstanceFinder.php
index 810c1c7..e309224 100644
--- a/src/Trucker/Finders/InstanceFinder.php
+++ b/src/Trucker/Finders/InstanceFinder.php
@@ -63,7 +63,7 @@ public function fetch($model, $id, $getParams = array())
         //init the request
         $request->createRequest(
             Config::get('request.base_uri'),
-            UrlGenerator::getInstanceUri($model, [':id' => $id]),
+            UrlGenerator::getInstanceUri($model, [':'.$model->getIdentityProperty() => $id]),
             'GET'
         );
 
diff --git a/src/Trucker/Requests/RestRequest.php b/src/Trucker/Requests/RestRequest.php
index 0b87d20..e3780e1 100644
--- a/src/Trucker/Requests/RestRequest.php
+++ b/src/Trucker/Requests/RestRequest.php
@@ -193,15 +193,22 @@ public function setModelProperties(Model $model)
         $cantSet = $model->getReadOnlyFields();
 
         //set the property attributes
+        $body = array();
         foreach ($model->attributes() as $key => $value) {
             if (in_array($key, $model->getFileFields())) {
                 $this->request->addPostFile($key, $value);
             } else {
                 if (!in_array($key, $cantSet)) {
-                    $this->request->setPostField($key, $value);
+                    $body[$key] = $value;
                 }
             }
         }
+
+        if($this->request->getMethod() == 'POST') {
+            $this->request->addPostFields($body);
+        } else {
+            $this->request->setBody($body);
+        }
     }
 
     /**
diff --git a/src/Trucker/Url/UrlGenerator.php b/src/Trucker/Url/UrlGenerator.php
index 308a6af..d29a11a 100644
--- a/src/Trucker/Url/UrlGenerator.php
+++ b/src/Trucker/Url/UrlGenerator.php
@@ -122,7 +122,7 @@ public function getCollectionUri($model, $options = array())
      */
     public function getInstanceUri($model, $options = array())
     {
-        $uri = implode("/", array($this->getURI($model), ':id'));
+        $uri = implode("/", array($this->getURI($model), ':'.$model->getIdentityProperty()));
         foreach ($options as $key => $value) {
             $uri = str_replace($key, $value, $uri);
         }
@@ -172,6 +172,7 @@ function ($item) {
             $uri = implode("/", $uriResult) . "/$uri";
         }
 
-        return "/$uri";
+        $prefix = Config::get('request.path_prefix', '/');
+        return "{$prefix}{$uri}";
     }
 }
diff --git a/src/config/request.php b/src/config/request.php
index f16bf79..14e566c 100644
--- a/src/config/request.php
+++ b/src/config/request.php
@@ -12,6 +12,18 @@
 
     'base_uri' => 'http://example.com',
 
+    /*
+    |--------------------------------------------------------------------------
+    | API endpoint path
+    |--------------------------------------------------------------------------
+    |
+    | This is the optional path where the API endpoint is located under, 
+    | for instance /admin/ would result in http://example.com/admin/
+    |
+    |
+    */
+    'path_prefix' => '/',
+
     /*
     |--------------------------------------------------------------------------
     | HTTP Request Driver