diff --git a/src/Action/SearchAction.php b/src/Action/SearchAction.php
index 393084f..56a3330 100644
--- a/src/Action/SearchAction.php
+++ b/src/Action/SearchAction.php
@@ -3,6 +3,7 @@
 namespace Bolt\Extension\Bolt\JsonApi\Action;
 
 use Bolt\Extension\Bolt\JsonApi\Converter\Parameter\ParameterCollection;
+use Bolt\Extension\Bolt\JsonApi\Converter\Parameter\Type\Page;
 use Bolt\Extension\Bolt\JsonApi\Exception\ApiInvalidRequestException;
 use Bolt\Extension\Bolt\JsonApi\Response\ApiResponse;
 use Bolt\Extension\Bolt\JsonApi\Storage\Query\PagingResultSet;
@@ -52,22 +53,24 @@ public function handle($contentType = null, Request $request, ParameterCollectio
 
         $results = $set->get($contentType);
 
-        $page = $parameters->getParametersByType('page');
+        /** @var Page $page */
+        $page = $parameters->get('page');
 
         $this->throwErrorOnNoResults($results, "No search results found for query [$search]");
 
         foreach ($results as $key => $item) {
+            $contentType = (string) $item->getContenttype();
             // optimize this part...
-            $fields = $parameters->get('fields')->getFields();
+            $fields = $parameters->get('fields')->getFields($contentType);
             $items[$key] = $this->parser->parseItem($item, $fields);
         }
 
         return new ApiResponse([
             'links' => $this->dataLinks->makeLinks(
                 $searchContentType,
-                $page['number'],
+                $page->getNumber(),
                 $set->getTotalPages(),
-                $page['limit'],
+                $page->getSize(),
                 $request
             ),
             'meta' => [
diff --git a/src/Converter/JSONAPIConverter.php b/src/Converter/JSONAPIConverter.php
index 19c9878..e679043 100644
--- a/src/Converter/JSONAPIConverter.php
+++ b/src/Converter/JSONAPIConverter.php
@@ -47,6 +47,7 @@ public function grabParameters($converter, Request $request)
         $parameters = [];
 
         $parameters['search'] = $request->query->get('q', false);
+        $contentType = $request->get('contentType', false);
 
         if (! $this->isSearch($parameters)) {
             //Get content type if it isn't a search...
@@ -55,6 +56,8 @@ public function grabParameters($converter, Request $request)
             if (! $parameters['contentType']) {
                 $parameters['contentType'] = $request->attributes->get('contentType');
             }
+        } else if ($contentType) {
+            $parameters['contentType'] = $contentType;
         }
 
         $parameters['page']['size'] = $request->query->get('page[size]', false, true);
diff --git a/src/Converter/Parameter/ParameterFactory.php b/src/Converter/Parameter/ParameterFactory.php
index b0745bf..6d2b48c 100644
--- a/src/Converter/Parameter/ParameterFactory.php
+++ b/src/Converter/Parameter/ParameterFactory.php
@@ -26,7 +26,7 @@ class ParameterFactory
      */
     public static function build($parameters, Config $config, MetadataDriver $metadata)
     {
-        $contentType = $parameters['contentType'];
+        $contentType = (empty($parameters['contentType']) ? null : $parameters['contentType']);
 
         foreach ($parameters as $key => $value) {
             //Get FQDN
diff --git a/src/Converter/Parameter/Type/AbstractParameter.php b/src/Converter/Parameter/Type/AbstractParameter.php
index 18161e9..72bb79e 100644
--- a/src/Converter/Parameter/Type/AbstractParameter.php
+++ b/src/Converter/Parameter/Type/AbstractParameter.php
@@ -65,9 +65,13 @@ abstract public function getParameter();
     /**
      * Returns all field names for the given contenttype.
      */
-    protected function getAllFieldNames()
+    protected function getAllFieldNames($contentType = null)
     {
-        return $this->metadata->getClassMetadata($this->contentType)['fields'];
+        if (!$contentType) {
+            return $this->metadata->getClassMetadata($this->contentType)['fields'];
+        }
+
+        return $this->metadata->getClassMetadata($contentType)['fields'];
     }
 
     /**
diff --git a/src/Converter/Parameter/Type/Fields.php b/src/Converter/Parameter/Type/Fields.php
index 31d23ae..7d8ad5f 100644
--- a/src/Converter/Parameter/Type/Fields.php
+++ b/src/Converter/Parameter/Type/Fields.php
@@ -21,33 +21,46 @@ public function convertRequest()
     {
         $this->fields = [];
 
-        if ($this->config->getAllowedFields($this->contentType)) {
-            $allowedFields = $this->config->getAllowedFields($this->contentType);
+        if (! isset($this->contentType)) {
+            $allContentTypes = array_keys($this->config->getContentTypes());
+            foreach ($allContentTypes as $contentType) {
+                $this->getFieldsForContentType($contentType);
+            }
         } else {
-            $allowedFields = array_keys($this->getAllFieldNames());
+            $this->getFieldsForContentType($this->contentType);
         }
 
-        if (isset($this->values[$this->contentType])) {
-            $values = explode(',', $this->values[$this->contentType]);
+        return $this;
+    }
+
+    protected function getFieldsForContentType($contentType)
+    {
+        if ($this->config->getAllowedFields($contentType)) {
+            $allowedFields = $this->config->getAllowedFields($contentType);
+        } else {
+            $allowedFields = array_keys($this->getAllFieldNames($contentType));
+        }
+
+        if (isset($this->values[$contentType])) {
+            $values = explode(',', $this->values[$contentType]);
             foreach ($values as $v) {
                 if (in_array($v, $allowedFields)) {
-                    $this->fields[] = $v;
+                    $this->fields[$contentType] = $v;
                 }
             }
         }
 
         // Default on the default/fallback fields defined in the config.
-        if (empty($this->fields)) {
-            $this->fields = $allowedFields;
-            if ($this->config->getListFields($this->contentType)) {
-                $this->fields = $this->config->getListFields(($this->contentType));
+        if (empty($this->fields[$contentType])) {
+            $this->fields[$contentType] = $allowedFields;
+            if ($this->config->getListFields($contentType)) {
+                $this->fields[$contentType] = $this->config->getListFields($contentType);
                 // todo: do we need to filter these through 'allowed-fields'?
             }
         }
-
-        return $this;
     }
 
+
     public function findConfigValues()
     {
     }
@@ -63,9 +76,13 @@ public function getParameter()
     /**
      * @return array
      */
-    public function getFields()
+    public function getFields($contentType = null)
     {
-        return $this->fields;
+        if (! $contentType) {
+            return $this->fields[$this->contentType];
+        }
+
+        return $this->fields[$contentType];
     }
 
     /**
diff --git a/src/Converter/Parameter/Type/Page.php b/src/Converter/Parameter/Type/Page.php
index 13ac27d..0490d0f 100644
--- a/src/Converter/Parameter/Type/Page.php
+++ b/src/Converter/Parameter/Type/Page.php
@@ -26,8 +26,8 @@ class Page extends AbstractParameter
     public function convertRequest()
     {
         //False will return 0, which will be less than 1, so it should default correctly.
-        $size = intval($this->values['size']);
-        $number = intval($this->values['number']);
+        $size = (int) $this->values['size'];
+        $number = (int) $this->values['number'];
 
         // Get limit for query
         $this->size = $size >= 1 ? $size : self::DEFAULT_PAGE_SIZE;