diff --git a/api/index.php b/api/index.php
index 1451af9..0d93efa 100644
--- a/api/index.php
+++ b/api/index.php
@@ -512,6 +512,7 @@ switch($PARAM_1)
 					}
 					else
 					{
+						http_response_code(409);
 						print json_encode([
 							"status" => "error", 
 							"error" => "company_already_registered", 
@@ -566,6 +567,7 @@ switch($PARAM_1)
 							//echo "<pre>".print_r($arFields, true)."</pre>";
 							//echo $error;
 
+							http_response_code(400);
 							print json_encode([
 								"status" => "error", 
 								"error" => "wrong_payload", 
@@ -577,6 +579,7 @@ switch($PARAM_1)
 					}
 					else
 					{
+						http_response_code(409);
 						print json_encode([
 							"status" => "error", 
 							"error" => "company_already_registered", 
@@ -675,6 +678,7 @@ switch($PARAM_1)
 					{
 						//new company
 
+						http_response_code(404);
 						print json_encode([
 							"status" => "error", 
 							"error" => "no_company_for_update", 
@@ -728,6 +732,7 @@ switch($PARAM_1)
 						}
 						else
 						{
+							http_response_code(400);
 							print json_encode([
 								"status" => "error", 
 								"error" => "wrong_payload", 
@@ -741,6 +746,7 @@ switch($PARAM_1)
 					{
 						//no company
 
+						http_response_code(404);
 						print json_encode([
 							"status" => "error", 
 							"error" => "no_company_for_update", 
@@ -791,6 +797,7 @@ switch($PARAM_1)
 							{
 								if(!in_array($auth['acc_number'], $existed_accounts))
 								{
+									http_response_code(401);
 									print json_encode([
 										"status" => "error", 
 										"error" => "access_denied", 
@@ -836,6 +843,7 @@ switch($PARAM_1)
 							}
 							else
 							{
+								http_response_code(404);
 								print json_encode([
 									"status" => "error", 
 									"error" => "unknown account", 
@@ -845,6 +853,7 @@ switch($PARAM_1)
 						}
 						catch(\Exception $e)
 						{
+							http_response_code(401);
 							print json_encode([
 								"status" => "error", 
 								"error" => "wrong_jwt", 
@@ -855,6 +864,7 @@ switch($PARAM_1)
 					}
 					else
 					{
+						http_response_code(403);
 						print json_encode([
 							"status" => "error", 
 							"error" => "wrong_source", 
@@ -891,6 +901,7 @@ switch($PARAM_1)
 
 			default:
 			{
+				http_response_code(400);
 				print json_encode([
 					"status" => "error", 
 					"error" => "wrong_user_uri", 
@@ -930,6 +941,7 @@ switch($PARAM_1)
 						}
 						catch(\Exception $e)
 						{
+							http_response_code(401);
 							print json_encode([
 								"status" => "error", 
 								"error" => "wrong_jwt", 
@@ -940,6 +952,7 @@ switch($PARAM_1)
 					}
 					else
 					{
+						http_response_code(403);
 						print json_encode([
 							"status" => "error", 
 							"error" => "wrong_source", 
@@ -1054,6 +1067,7 @@ switch($PARAM_1)
 						}
 						catch(\Exception $e)
 						{
+							http_response_code(401);
 							print json_encode([
 								"status" => "error", 
 								"error" => "wrong_jwt", 
@@ -1064,6 +1078,7 @@ switch($PARAM_1)
 					}
 					else
 					{
+						http_response_code(403);
 						print json_encode([
 							"status" => "error", 
 							"error" => "wrong_source", 
@@ -1141,6 +1156,7 @@ switch($PARAM_1)
 						}
 						catch(\Exception $e)
 						{
+							http_response_code(401);
 							print json_encode([
 								"status" => "error", 
 								"error" => "wrong_jwt", 
@@ -1151,6 +1167,7 @@ switch($PARAM_1)
 					}
 					else
 					{
+						http_response_code(403);
 						print json_encode([
 							"status" => "error", 
 							"error" => "wrong_source", 
@@ -1163,6 +1180,7 @@ switch($PARAM_1)
 
 			default:
 			{
+				http_response_code(400);
 				print json_encode([
 					"status" => "error", 
 					"error" => "wrong_admin_uri", 
@@ -2600,24 +2618,37 @@ switch($PARAM_1)
 
 							if(is_array($ar_user))
 							{
-								if(SEND_EMAIL_PASSWORD_RECOVERY_CODE)
+								if(!empty($REQ['code']))
 								{
-									\Bitrix\Main\Mail\Event::send([
-										"EVENT_NAME" => "USER_PASSWORD_RECOVERY_CODE",
-										"LID" => "s1",
-										"C_FIELDS" => Array(
-											"EMAIL" => $REQ['email'], 
-											"CODE" => $REQ['code'], 
-										)
+									if(SEND_EMAIL_PASSWORD_RECOVERY_CODE)
+									{
+										\Bitrix\Main\Mail\Event::send([
+											"EVENT_NAME" => "USER_PASSWORD_RECOVERY_CODE",
+											"LID" => "s1",
+											"C_FIELDS" => Array(
+												"EMAIL" => $REQ['email'], 
+												"CODE" => $REQ['code'], 
+											)
+										]);
+									}
+
+									print json_encode([
+										"status" => "success", 
 									]);
 								}
-
-								print json_encode([
-									"status" => "success", 
-								]);
+								else
+								{
+									http_response_code(400);
+									print json_encode([
+										"status" => "error", 
+										"error" => "empty_code", 
+										"message" => "Empty code", 
+									]);	
+								}
 							}
 							else
 							{
+								http_response_code(404);
 								print json_encode([
 									"status" => "error", 
 									"error" => "wrong_email", 
@@ -2627,6 +2658,7 @@ switch($PARAM_1)
 						}
 						else
 						{
+							http_response_code(403);
 							print json_encode([
 								"status" => "error", 
 								"error" => "wrong_source", 
@@ -2655,6 +2687,7 @@ switch($PARAM_1)
 
 								if($user->LAST_ERROR)
 								{
+									http_response_code(400);
 									print json_encode([
 										"status" => "error", 
 										"error" => "wrong_payload", 
@@ -2670,6 +2703,7 @@ switch($PARAM_1)
 							}
 							else
 							{
+								http_response_code(404);
 								print json_encode([
 									"status" => "error", 
 									"error" => "wrong_email", 
@@ -2679,6 +2713,7 @@ switch($PARAM_1)
 						}
 						else
 						{
+							http_response_code(403);
 							print json_encode([
 								"status" => "error", 
 								"error" => "wrong_source", 
@@ -2718,6 +2753,7 @@ switch($PARAM_1)
 
 									if($user->LAST_ERROR)
 									{
+										http_response_code(400);
 										print json_encode([
 											"status" => "error", 
 											"error" => "wrong_payload", 
@@ -2725,7 +2761,7 @@ switch($PARAM_1)
 										]);
 									}
 									else
-									{	
+									{
 										print json_encode([
 											"status" => "success", 
 										]);
@@ -2733,6 +2769,7 @@ switch($PARAM_1)
 								}
 								else
 								{
+									http_response_code(404);
 									print json_encode([
 										"status" => "error", 
 										"error" => "unknow_user", 
@@ -2742,6 +2779,7 @@ switch($PARAM_1)
 							}
 							else
 							{
+								http_response_code(404);
 								print json_encode([
 									"status" => "error", 
 									"error" => "wrong_email", 
@@ -2751,6 +2789,7 @@ switch($PARAM_1)
 						}
 						else
 						{
+							http_response_code(403);
 							print json_encode([
 								"status" => "error", 
 								"error" => "wrong_source", 
@@ -2792,6 +2831,7 @@ switch($PARAM_1)
 
 									if($user->LAST_ERROR)
 									{
+										http_response_code(400);
 										print json_encode([
 											"status" => "error", 
 											"error" => "wrong_payload", 
@@ -2807,6 +2847,7 @@ switch($PARAM_1)
 								}
 								else
 								{
+									http_response_code(404);
 									print json_encode([
 										"status" => "error", 
 										"error" => "wrong_company", 
@@ -2816,6 +2857,7 @@ switch($PARAM_1)
 							}
 							else
 							{
+								http_response_code(404);
 								print json_encode([
 									"status" => "error", 
 									"error" => "wrong_email", 
@@ -2825,6 +2867,7 @@ switch($PARAM_1)
 						}
 						else
 						{
+							http_response_code(403);
 							print json_encode([
 								"status" => "error", 
 								"error" => "wrong_source", 
@@ -2880,6 +2923,7 @@ switch($PARAM_1)
 						}
 						else
 						{
+							http_response_code(401);
 							print json_encode([
 								"status" => "error", 
 								"error" => "wrong_credentials", 
@@ -2934,6 +2978,7 @@ switch($PARAM_1)
 								}
 								else
 								{
+									http_response_code(404);
 									print json_encode([
 										"status" => "error", 
 										"error" => "unknown_user", 
@@ -2943,6 +2988,7 @@ switch($PARAM_1)
 							}
 							else
 							{
+								http_response_code(403);
 								print json_encode([
 									"status" => "error", 
 									"error" => "wrong_source",