diff --git a/src/Request.php b/src/Request.php
index 43d5d0d..a383189 100644
--- a/src/Request.php
+++ b/src/Request.php
@@ -55,9 +55,7 @@ public static function fromConsumerAndToken(
             $defaults['oauth_token'] = $token->key;
         }
 
-        if (isset($parameters['batch'])) {
-            $parameters = array_merge($defaults, ['oauth_body_hash' => base64_encode(sha1($parameters['batch'], true))]);
-        } elseif (isset($parameters['raw'])) {
+        if (isset($parameters['raw'])) {
             $parameters = array_merge($defaults, ['oauth_body_hash' => base64_encode(sha1($parameters['raw'], true))]);
         } elseif (empty($parameters)) {
             $parameters = array_merge($defaults, ['oauth_body_hash' => base64_encode(sha1('', true))]);
diff --git a/src/TwitterAds.php b/src/TwitterAds.php
index ec2ab89..54e5b75 100644
--- a/src/TwitterAds.php
+++ b/src/TwitterAds.php
@@ -627,8 +627,10 @@ private function request($url, $method, $authorization, $postfields, $headers =
                 $options[CURLOPT_POST] = true;
                 if (isset($postfields['raw'])) {
                     $options[CURLOPT_POSTFIELDS] = $postfields['raw'];
-                } else if (isset($postfields['batch'])) {
-                    $options[CURLOPT_POSTFIELDS] = $postfields['batch'];
+                    $options[CURLOPT_HTTPHEADER] = array_merge($options[CURLOPT_HTTPHEADER], [
+                        'Content-Type: application/json',
+                        'Content-Length: '. strlen($postfields['raw'])
+                    ]);
                 } else {
                     $options[CURLOPT_POSTFIELDS] = Util::buildHttpQuery($postfields);
                 }