diff --git a/actions/twitapiaccount.php b/actions/twitapiaccount.php
index 0a57ad91c3..716ddd1543 100644
--- a/actions/twitapiaccount.php
+++ b/actions/twitapiaccount.php
@@ -46,7 +46,7 @@ class TwitapiaccountAction extends TwitterapiAction {
 			header('Content-Type: application/json; charset=utf-8');		
 			print '{"authorized":true}';
 		} else {
-			common_user_error("API method not found!", $code=404);
+			common_user_error(_('API method not found!'), $code=404);
 		}
 			
 		exit();
@@ -54,7 +54,7 @@ class TwitapiaccountAction extends TwitterapiAction {
 	
 	function end_session($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 	
@@ -65,9 +65,8 @@ class TwitapiaccountAction extends TwitterapiAction {
 
 		if (!is_null($location) && strlen($location) > 255) {
 			
-			// XXX: But Twitter just truncates and runs with it. -- Zach
-			header('HTTP/1.1 406 Not Acceptable');			
-			print "That's too long. Max notice size is 255 chars.\n";
+			// XXX: But Twitter just truncates and runs with it. -- Zach			
+			$this->client_error(_('That\'s too long. Max notice size is 255 chars.'), 406, $apidate['content-type']);
 			exit();
 		}
 		
@@ -106,13 +105,13 @@ class TwitapiaccountAction extends TwitterapiAction {
 
 	function update_delivery_device($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 	
 	function rate_limit_status($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 }
\ No newline at end of file
diff --git a/actions/twitapiblocks.php b/actions/twitapiblocks.php
index a498d2038d..0fdbba199f 100644
--- a/actions/twitapiblocks.php
+++ b/actions/twitapiblocks.php
@@ -25,13 +25,13 @@ class TwitapiblocksAction extends TwitterapiAction {
 
 	function create($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 	
 	function destroy($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 	
diff --git a/actions/twitapidirect_messages.php b/actions/twitapidirect_messages.php
index 9a84082e6d..aad055fbf2 100644
--- a/actions/twitapidirect_messages.php
+++ b/actions/twitapidirect_messages.php
@@ -40,26 +40,26 @@ class Twitapidirect_messagesAction extends TwitterapiAction {
 
 	function direct_messages($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 	
 	function sent($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 	
 	# had to change this from "new" to "create" to avoid PHP reserved word  
 	function create($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 		
 	function destroy($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 	
diff --git a/actions/twitapifavorites.php b/actions/twitapifavorites.php
index 4de5676034..b5380bd948 100644
--- a/actions/twitapifavorites.php
+++ b/actions/twitapifavorites.php
@@ -38,19 +38,19 @@ class TwitapifavoritesAction extends TwitterapiAction {
 
 	function favorites($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 
 	function create($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 	
 	function destroy($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}	
 
diff --git a/actions/twitapifriendships.php b/actions/twitapifriendships.php
index 05c192ea6f..ae15d171e7 100644
--- a/actions/twitapifriendships.php
+++ b/actions/twitapifriendships.php
@@ -52,7 +52,8 @@ class TwitapifriendshipsAction extends TwitterapiAction {
 		$user = $apidata['user'];
 		
 		if ($user->isSubscribed($other)) {
-			$this->client_error("Could not follow user: $other->nickname is already on your list.", 403, $apidata['content-type']);
+			$errmsg = sprintf(_('Could not follow user: %s is already on your list.'), $other->nickname);
+			$this->client_error($errmsg, 403, $apidata['content-type']);
 			exit();
 		}
 		
@@ -67,7 +68,8 @@ class TwitapifriendshipsAction extends TwitterapiAction {
 		$result = $sub->insert();
 
 		if (!$result) {
-			$this->client_error("Could not follow user: $other->nickname.", 400, $apidata['content-type']);			
+			$errmsg = sprintf(_('Could not follow user: %s is already on your list.'), $other->nickname);
+			$this->client_error($errmsg, 400, $apidata['content-type']);			
 			exit();
 		}
 		
diff --git a/actions/twitapihelp.php b/actions/twitapihelp.php
index 7695190fca..2ac4178de8 100644
--- a/actions/twitapihelp.php
+++ b/actions/twitapihelp.php
@@ -42,14 +42,14 @@ class TwitapihelpAction extends TwitterapiAction {
 			print '"ok"';
 			$this->end_document('json');
 		} else {
-			common_user_error("API method not found!", $code=404);
+			common_user_error(_('API method not found!'), $code=404);
 		}
 		exit();
 	}
 
 	function downtime_schedule($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 	
diff --git a/actions/twitapinotifications.php b/actions/twitapinotifications.php
index 95fe550b12..9e3cc15c42 100644
--- a/actions/twitapinotifications.php
+++ b/actions/twitapinotifications.php
@@ -26,13 +26,13 @@ class TwitapinotificationsAction extends TwitterapiAction {
 
 	function follow($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 	
 	function leave($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 		exit();
 	}
 	
diff --git a/actions/twitapistatuses.php b/actions/twitapistatuses.php
index 92c6fbb634..6a63dd0377 100644
--- a/actions/twitapistatuses.php
+++ b/actions/twitapistatuses.php
@@ -82,12 +82,12 @@ class TwitapistatusesAction extends TwitterapiAction {
 					$this->show_json_timeline($notice);
 					break;
 				default:
-					common_user_error("API method not found!", $code = 404);
+					common_user_error(_('API method not found!'), $code = 404);
 					break;
 			}
 
 		} else {
-			common_server_error('Couldn\'t find any statuses.', $code = 503);
+			common_server_error(_('Couldn\'t find any statuses.'), $code = 503);
 		}
 
 		exit();
@@ -253,7 +253,7 @@ class TwitapistatusesAction extends TwitterapiAction {
 			$this->show_json_timeline($notice);
 			break;
 		 default:
-			common_user_error("API method not found!", $code = 404);
+			common_user_error(_('API method not found!'), $code = 404);
 		}
 
 		exit();
@@ -364,7 +364,7 @@ class TwitapistatusesAction extends TwitterapiAction {
 			$this->show_json_timeline($notice);
 			break;
 		 default:
-			common_user_error("API method not found!", $code = 404);
+			common_user_error(_('API method not found!'), $code = 404);
 		}
 
 		exit();
@@ -397,7 +397,7 @@ class TwitapistatusesAction extends TwitterapiAction {
 		    // as "truncated."  Sending this error may screw up some clients
 		    // that assume Twitter will truncate for them.  Should we just
 		    // truncate too? -- Zach
-			$this->client_error('That\'s too long. Max notice size is 140 chars.', $code = 406, $apidata['content-type']);
+			$this->client_error(_('That\'s too long. Max notice size is 140 chars.'), $code = 406, $apidata['content-type']);
 			exit();
 		}
 
@@ -411,7 +411,7 @@ class TwitapistatusesAction extends TwitterapiAction {
 			if ($reply) {
 				$reply_to = $in_reply_to_status_id;
 			} else {
-				$this->client_error('Not found', $code = 404, $apidata['content-type']);
+				$this->client_error(_('Not found'), $code = 404, $apidata['content-type']);
 				exit();
 			}
 		}
@@ -521,7 +521,7 @@ class TwitapistatusesAction extends TwitterapiAction {
 			$this->show_json_timeline($notices);
 			break;
 		 default:
-			common_user_error("API method not found!", $code = 404);
+			common_user_error(_('API method not found!'), $code = 404);
 		}
 
 
@@ -548,6 +548,7 @@ class TwitapistatusesAction extends TwitterapiAction {
 
 	*/
 	function destroy($args, $apidata) {
+	
 		parent::handle($args);
 		common_server_error("API method under construction.", $code=501);
 	}
@@ -702,7 +703,7 @@ class TwitapistatusesAction extends TwitterapiAction {
 	*/
 	function featured($args, $apidata) {
 		parent::handle($args);
-		common_server_error("API method under construction.", $code=501);
+		common_server_error(_('API method under construction.'), $code=501);
 	}
 
 	function get_user($id, $apidata) {
@@ -716,4 +717,3 @@ class TwitapistatusesAction extends TwitterapiAction {
 	}
 }
 
-
diff --git a/actions/twitapiusers.php b/actions/twitapiusers.php
index d66dc88632..233de3c217 100644
--- a/actions/twitapiusers.php
+++ b/actions/twitapiusers.php
@@ -72,7 +72,7 @@ class TwitapiusersAction extends TwitterapiAction {
 
 		if (!$user) {
 			// XXX: Twitter returns a random(?) user instead of throwing and err! -- Zach
-			$this->client_error("User not found.", 404, $apidata['content-type']);
+			$this->client_error(_('User not found.'), 404, $apidata['content-type']);
 			exit();
 		}
 		
@@ -119,7 +119,7 @@ class TwitapiusersAction extends TwitterapiAction {
 			$this->show_twitter_json_users($twitter_user);
 			$this->end_document('json');
 		} else {
-			common_user_error("API method not found!", $code = 404);
+			common_user_error(_('API method not found!'), $code = 404);
 		}
 			
 		exit();
diff --git a/lib/twitterapi.php b/lib/twitterapi.php
index 8b4c24cabc..f06c1d1886 100644
--- a/lib/twitterapi.php
+++ b/lib/twitterapi.php
@@ -245,7 +245,7 @@ class TwitterapiAction extends Action {
 			$this->init_twitter_atom();
 			break;
 		 default:
-			$this->client_error(_('Unsupported type'));
+			$this->client_error(_('Not a supported data format.'));
 			break;
 		}
 		
@@ -266,7 +266,7 @@ class TwitterapiAction extends Action {
 			$this->end_twitter_rss();
 			break;
 		 default:
-			$this->client_error(_('Unsupported type'));
+			$this->client_error(_('Not a supported data format.'));
 			break;
 		}
 		return;
@@ -351,7 +351,7 @@ class TwitterapiAction extends Action {
 			$this->show_twitter_json_users($profile_array);
 			break;
 		 default:
-			$this->client_error(_('not a supported data format'));
+			$this->client_error(_('Not a supported data format.'));
 			return;
 		}
 		return;