diff --git a/src/future/http/status/HTTPFutureHTTPResponseStatus.php b/src/future/http/status/HTTPFutureHTTPResponseStatus.php
index 466030b..469f9a0 100644
--- a/src/future/http/status/HTTPFutureHTTPResponseStatus.php
+++ b/src/future/http/status/HTTPFutureHTTPResponseStatus.php
@@ -1,62 +1,67 @@
 <?php
 
 final class HTTPFutureHTTPResponseStatus extends HTTPFutureResponseStatus {
 
   private $excerpt;
   private $expect;
 
   public function __construct(
     $status_code,
     $body,
     array $headers,
     $expect = null) {
 
     // NOTE: Avoiding PhutilUTF8StringTruncator here because this isn't lazy
     // and responses may be large.
     if (strlen($body) > 512) {
       $excerpt = substr($body, 0, 512).'...';
     } else {
       $excerpt = $body;
     }
 
     $content_type = BaseHTTPFuture::getHeader($headers, 'Content-Type');
     $match = null;
     if (preg_match('/;\s*charset=([^;]+)/', $content_type, $match)) {
       $encoding = trim($match[1], "\"'");
       try {
         $excerpt = phutil_utf8_convert($excerpt, 'UTF-8', $encoding);
       } catch (Exception $ex) {}
     }
 
     $this->excerpt = phutil_utf8ize($excerpt);
     $this->expect = $expect;
 
     parent::__construct($status_code);
   }
 
   protected function getErrorCodeType($code) {
     return 'HTTP';
   }
 
   public function isError() {
     if ($this->expect === null) {
-        return ($this->getStatusCode() < 200) || ($this->getStatusCode() > 299);
+      return ($this->getStatusCode() < 200) || ($this->getStatusCode() > 299);
     }
 
     return !in_array($this->getStatusCode(), $this->expect, true);
   }
 
+  public function isRedirect() {
+    $code = $this->getStatusCode();
+    return ($code >= 300 && $code < 400);
+  }
+
   public function isTimeout() {
     return false;
   }
 
   protected function getErrorCodeDescription($code) {
     static $map = array(
       404 => 'Not Found',
       500 => 'Internal Server Error',
     );
 
     return idx($map, $code)."\n".$this->excerpt."\n";
   }
 
 }
diff --git a/src/future/http/status/HTTPFutureResponseStatus.php b/src/future/http/status/HTTPFutureResponseStatus.php
index c704e4a..5bf68f0 100644
--- a/src/future/http/status/HTTPFutureResponseStatus.php
+++ b/src/future/http/status/HTTPFutureResponseStatus.php
@@ -1,39 +1,43 @@
 <?php
 
 abstract class HTTPFutureResponseStatus extends Exception {
 
   private $statusCode;
   private $uri;
 
   public function __construct($status_code, $uri = null) {
     $this->statusCode = $status_code;
     $this->uri = (string)$uri;
 
     $type = $this->getErrorCodeType($status_code);
     $description = $this->getErrorCodeDescription($status_code);
 
     $uri_info = '';
     if ($this->uri) {
       $uri_info = ' ('.$this->uri.')';
     }
 
     $message = rtrim("[{$type}/{$status_code}]{$uri_info} {$description}");
 
     parent::__construct($message);
   }
 
   final public function getStatusCode() {
     return $this->statusCode;
   }
 
   final public function getURI() {
     return $this->uri;
   }
 
   abstract public function isError();
   abstract public function isTimeout();
 
+  public function isRedirect() {
+    return false;
+  }
+
   abstract protected function getErrorCodeType($code);
   abstract protected function getErrorCodeDescription($code);
 
 }