diff --git a/api/models/authentication/ForgotPasswordForm.php b/api/models/authentication/ForgotPasswordForm.php
index 9e4d355..b90ba64 100644
--- a/api/models/authentication/ForgotPasswordForm.php
+++ b/api/models/authentication/ForgotPasswordForm.php
@@ -20,17 +20,17 @@ class ForgotPasswordForm extends ApiForm {
 
     public $login;
 
-    public $token;
+    public $totp;
 
     public function rules() {
         return [
             ['captcha', ReCaptchaValidator::class],
             ['login', 'required', 'message' => E::LOGIN_REQUIRED],
             ['login', 'validateLogin'],
-            ['token', 'required', 'when' => function(self $model) {
+            ['totp', 'required', 'when' => function(self $model) {
                 return !$this->hasErrors() && $model->getAccount()->is_otp_enabled;
-            }, 'message' => E::OTP_TOKEN_REQUIRED],
-            ['token', 'validateTotpToken'],
+            }, 'message' => E::TOTP_REQUIRED],
+            ['totp', 'validateTotp'],
             ['login', 'validateActivity'],
             ['login', 'validateFrequency'],
         ];
@@ -44,7 +44,7 @@ class ForgotPasswordForm extends ApiForm {
         }
     }
 
-    public function validateTotpToken($attribute) {
+    public function validateTotp($attribute) {
         if ($this->hasErrors()) {
             return;
         }
diff --git a/api/models/authentication/LoginForm.php b/api/models/authentication/LoginForm.php
index 3b6e463..133ccf4 100644
--- a/api/models/authentication/LoginForm.php
+++ b/api/models/authentication/LoginForm.php
@@ -17,10 +17,10 @@ class LoginForm extends ApiForm {
 
     public $login;
     public $password;
-    public $token;
+    public $totp;
     public $rememberMe = false;
 
-    public function rules() {
+    public function rules(): array {
         return [
             ['login', 'required', 'message' => E::LOGIN_REQUIRED],
             ['login', 'validateLogin'],
@@ -30,10 +30,10 @@ class LoginForm extends ApiForm {
             }, 'message' => E::PASSWORD_REQUIRED],
             ['password', 'validatePassword'],
 
-            ['token', 'required', 'when' => function(self $model) {
+            ['totp', 'required', 'when' => function(self $model) {
                 return !$model->hasErrors() && $model->getAccount()->is_otp_enabled;
-            }, 'message' => E::OTP_TOKEN_REQUIRED],
-            ['token', 'validateTotpToken'],
+            }, 'message' => E::TOTP_REQUIRED],
+            ['totp', 'validateTotp'],
 
             ['login', 'validateActivity'],
 
@@ -58,7 +58,7 @@ class LoginForm extends ApiForm {
         }
     }
 
-    public function validateTotpToken($attribute) {
+    public function validateTotp($attribute) {
         if ($this->hasErrors()) {
             return;
         }
diff --git a/api/models/profile/TwoFactorAuthForm.php b/api/models/profile/TwoFactorAuthForm.php
index 8f6c31f..a388d8a 100644
--- a/api/models/profile/TwoFactorAuthForm.php
+++ b/api/models/profile/TwoFactorAuthForm.php
@@ -22,7 +22,7 @@ class TwoFactorAuthForm extends ApiForm {
     const SCENARIO_ACTIVATE = 'enable';
     const SCENARIO_DISABLE = 'disable';
 
-    public $token;
+    public $totp;
 
     public $timestamp;
 
@@ -44,8 +44,8 @@ class TwoFactorAuthForm extends ApiForm {
             ['timestamp', 'integer', 'on' => [self::SCENARIO_ACTIVATE]],
             ['account', 'validateOtpDisabled', 'on' => self::SCENARIO_ACTIVATE],
             ['account', 'validateOtpEnabled', 'on' => self::SCENARIO_DISABLE],
-            ['token', 'required', 'message' => E::OTP_TOKEN_REQUIRED, 'on' => $bothScenarios],
-            ['token', TotpValidator::class, 'on' => $bothScenarios,
+            ['totp', 'required', 'message' => E::TOTP_REQUIRED, 'on' => $bothScenarios],
+            ['totp', TotpValidator::class, 'on' => $bothScenarios,
                 'account' => $this->account,
                 'timestamp' => function() {
                     return $this->timestamp;
diff --git a/api/modules/authserver/models/AuthenticationForm.php b/api/modules/authserver/models/AuthenticationForm.php
index 2a8b5dc..aab29bd 100644
--- a/api/modules/authserver/models/AuthenticationForm.php
+++ b/api/modules/authserver/models/AuthenticationForm.php
@@ -36,7 +36,7 @@ class AuthenticationForm extends ApiForm {
         $loginForm->password = $this->password;
         if (!$loginForm->validate()) {
             $errors = $loginForm->getFirstErrors();
-            if (isset($errors['token'])) {
+            if (isset($errors['totp'])) {
                 Authserver::error("User with login = '{$this->username}' protected by two factor auth.");
                 throw new ForbiddenOperationException('Account protected with two factor auth.');
             } elseif (isset($errors['login'])) {
diff --git a/api/validators/TotpValidator.php b/api/validators/TotpValidator.php
index 68bbc5e..da84468 100644
--- a/api/validators/TotpValidator.php
+++ b/api/validators/TotpValidator.php
@@ -52,10 +52,10 @@ class TotpValidator extends Validator {
         try {
             $totp = TOTP::create($this->account->otp_secret);
             if (!$totp->verify((string)$value, $this->getTimestamp(), $this->window)) {
-                return [E::OTP_TOKEN_INCORRECT, []];
+                return [E::TOTP_INCORRECT, []];
             }
         } catch (RangeException $e) {
-            return [E::OTP_TOKEN_INCORRECT, []];
+            return [E::TOTP_INCORRECT, []];
         }
 
         return null;
diff --git a/common/helpers/Error.php b/common/helpers/Error.php
index 3baa1b8..d31a9f1 100644
--- a/common/helpers/Error.php
+++ b/common/helpers/Error.php
@@ -54,8 +54,9 @@ final class Error {
     const SUBJECT_REQUIRED = 'error.subject_required';
     const MESSAGE_REQUIRED = 'error.message_required';
 
-    const OTP_TOKEN_REQUIRED = 'error.token_required';
-    const OTP_TOKEN_INCORRECT = 'error.token_incorrect';
+    const TOTP_REQUIRED = 'error.totp_required';
+    const TOTP_INCORRECT = 'error.totp_incorrect';
+
     const OTP_ALREADY_ENABLED = 'error.otp_already_enabled';
     const OTP_NOT_ENABLED = 'error.otp_not_enabled';
 
diff --git a/tests/codeception/api/_pages/AuthenticationRoute.php b/tests/codeception/api/_pages/AuthenticationRoute.php
index bfe5784..c0d178b 100644
--- a/tests/codeception/api/_pages/AuthenticationRoute.php
+++ b/tests/codeception/api/_pages/AuthenticationRoute.php
@@ -24,7 +24,7 @@ class AuthenticationRoute extends BasePage {
         if ((is_bool($rememberMeOrToken) && $rememberMeOrToken) || $rememberMe) {
             $params['rememberMe'] = 1;
         } elseif ($rememberMeOrToken !== null) {
-            $params['token'] = $rememberMeOrToken;
+            $params['totp'] = $rememberMeOrToken;
         }
 
         $this->actor->sendPOST($this->getUrl(), $params);
@@ -39,7 +39,7 @@ class AuthenticationRoute extends BasePage {
         $this->route = ['authentication/forgot-password'];
         $this->actor->sendPOST($this->getUrl(), [
             'login' => $login,
-            'token' => $token,
+            'totp' => $token,
         ]);
     }
 
diff --git a/tests/codeception/api/_pages/TwoFactorAuthRoute.php b/tests/codeception/api/_pages/TwoFactorAuthRoute.php
index ed677bb..74978cd 100644
--- a/tests/codeception/api/_pages/TwoFactorAuthRoute.php
+++ b/tests/codeception/api/_pages/TwoFactorAuthRoute.php
@@ -14,16 +14,16 @@ class TwoFactorAuthRoute extends BasePage {
         $this->actor->sendGET($this->getUrl());
     }
 
-    public function enable($token = null, $password = null) {
+    public function enable($totp = null, $password = null) {
         $this->actor->sendPOST($this->getUrl(), [
-            'token' => $token,
+            'totp' => $totp,
             'password' => $password,
         ]);
     }
 
-    public function disable($token = null, $password = null) {
+    public function disable($totp = null, $password = null) {
         $this->actor->sendDELETE($this->getUrl(), [
-            'token' => $token,
+            'totp' => $totp,
             'password' => $password,
         ]);
     }
diff --git a/tests/codeception/api/functional/ForgotPasswordCest.php b/tests/codeception/api/functional/ForgotPasswordCest.php
index 36023bd..823015d 100644
--- a/tests/codeception/api/functional/ForgotPasswordCest.php
+++ b/tests/codeception/api/functional/ForgotPasswordCest.php
@@ -39,7 +39,7 @@ class ForgotPasswordCest {
         $I->canSeeResponseContainsJson([
             'success' => false,
             'errors' => [
-                'token' => 'error.token_required',
+                'totp' => 'error.totp_required',
             ],
         ]);
 
@@ -47,7 +47,7 @@ class ForgotPasswordCest {
         $I->canSeeResponseContainsJson([
             'success' => false,
             'errors' => [
-                'token' => 'error.token_required',
+                'totp' => 'error.totp_required',
             ],
         ]);
 
@@ -55,7 +55,7 @@ class ForgotPasswordCest {
         $I->canSeeResponseContainsJson([
             'success' => false,
             'errors' => [
-                'token' => 'error.token_incorrect',
+                'totp' => 'error.totp_incorrect',
             ],
         ]);
     }
@@ -73,7 +73,7 @@ class ForgotPasswordCest {
     }
 
     public function testForgotPasswordByAccountWithOtp(FunctionalTester $I) {
-        $I->wantTo('create new password recover request by passing username and otp token');
+        $I->wantTo('create new password recover request by passing username and otp totp');
         $totp = TOTP::create('BBBB');
         $this->route->forgotPassword('AccountWithEnabledOtp', $totp->now());
         $this->assertSuccessResponse($I, true);
diff --git a/tests/codeception/api/functional/LoginCest.php b/tests/codeception/api/functional/LoginCest.php
index 6f2adaf..2b17313 100644
--- a/tests/codeception/api/functional/LoginCest.php
+++ b/tests/codeception/api/functional/LoginCest.php
@@ -107,49 +107,49 @@ class LoginCest {
     public function testLoginToken(FunctionalTester $I) {
         $route = new AuthenticationRoute($I);
 
-        $I->wantTo('see token don\'t have errors if email, username or token not set');
+        $I->wantTo('see totp don\'t have errors if email, username or totp not set');
         $route->login();
         $I->canSeeResponseContainsJson([
             'success' => false,
         ]);
-        $I->cantSeeResponseJsonMatchesJsonPath('$.errors.token');
+        $I->cantSeeResponseJsonMatchesJsonPath('$.errors.totp');
 
-        $I->wantTo('see token don\'t have errors if username not exists in database');
+        $I->wantTo('see totp don\'t have errors if username not exists in database');
         $route->login('non-exist-username', 'random-password');
         $I->canSeeResponseContainsJson([
             'success' => false,
         ]);
-        $I->cantSeeResponseJsonMatchesJsonPath('$.errors.token');
+        $I->cantSeeResponseJsonMatchesJsonPath('$.errors.totp');
 
-        $I->wantTo('see token don\'t has errors if email not exists in database');
+        $I->wantTo('see totp don\'t has errors if email not exists in database');
         $route->login('not-exist@user.com', 'random-password');
         $I->canSeeResponseContainsJson([
             'success' => false,
         ]);
-        $I->cantSeeResponseJsonMatchesJsonPath('$.errors.token');
+        $I->cantSeeResponseJsonMatchesJsonPath('$.errors.totp');
 
-        $I->wantTo('see token don\'t has errors if email correct, but password wrong');
+        $I->wantTo('see totp don\'t has errors if email correct, but password wrong');
         $route->login('not-exist@user.com', 'random-password');
         $I->canSeeResponseContainsJson([
             'success' => false,
         ]);
-        $I->cantSeeResponseJsonMatchesJsonPath('$.errors.token');
+        $I->cantSeeResponseJsonMatchesJsonPath('$.errors.totp');
 
-        $I->wantTo('see error.token_required if username and password correct, but account have enable otp');
+        $I->wantTo('see error.totp_required if username and password correct, but account have enable otp');
         $route->login('AccountWithEnabledOtp', 'password_0');
         $I->canSeeResponseContainsJson([
             'success' => false,
             'errors' => [
-                'token' => 'error.token_required',
+                'totp' => 'error.totp_required',
             ],
         ]);
 
-        $I->wantTo('see error.token_incorrect if username and password correct, but token wrong');
+        $I->wantTo('see error.totp_incorrect if username and password correct, but totp wrong');
         $route->login('AccountWithEnabledOtp', 'password_0', '123456');
         $I->canSeeResponseContainsJson([
             'success' => false,
             'errors' => [
-                'token' => 'error.token_incorrect',
+                'totp' => 'error.totp_incorrect',
             ],
         ]);
     }
diff --git a/tests/codeception/api/functional/TwoFactorAuthDisableCest.php b/tests/codeception/api/functional/TwoFactorAuthDisableCest.php
index 1e288d1..6ba350f 100644
--- a/tests/codeception/api/functional/TwoFactorAuthDisableCest.php
+++ b/tests/codeception/api/functional/TwoFactorAuthDisableCest.php
@@ -23,7 +23,7 @@ class TwoFactorAuthDisableCest {
         $I->canSeeResponseContainsJson([
             'success' => false,
             'errors' => [
-                'token' => 'error.token_required',
+                'totp' => 'error.totp_required',
                 'password' => 'error.password_required',
             ],
         ]);
@@ -32,7 +32,7 @@ class TwoFactorAuthDisableCest {
         $I->canSeeResponseContainsJson([
             'success' => false,
             'errors' => [
-                'token' => 'error.token_incorrect',
+                'totp' => 'error.totp_incorrect',
                 'password' => 'error.password_incorrect',
             ],
         ]);
diff --git a/tests/codeception/api/functional/TwoFactorAuthEnableCest.php b/tests/codeception/api/functional/TwoFactorAuthEnableCest.php
index 5fea216..3e7bc0d 100644
--- a/tests/codeception/api/functional/TwoFactorAuthEnableCest.php
+++ b/tests/codeception/api/functional/TwoFactorAuthEnableCest.php
@@ -23,7 +23,7 @@ class TwoFactorAuthEnableCest {
         $I->canSeeResponseContainsJson([
             'success' => false,
             'errors' => [
-                'token' => 'error.token_required',
+                'totp' => 'error.totp_required',
                 'password' => 'error.password_required',
             ],
         ]);
@@ -32,7 +32,7 @@ class TwoFactorAuthEnableCest {
         $I->canSeeResponseContainsJson([
             'success' => false,
             'errors' => [
-                'token' => 'error.token_incorrect',
+                'totp' => 'error.totp_incorrect',
                 'password' => 'error.password_incorrect',
             ],
         ]);
diff --git a/tests/codeception/api/unit/models/authentication/ForgotPasswordFormTest.php b/tests/codeception/api/unit/models/authentication/ForgotPasswordFormTest.php
index e6d82c9..ad73d27 100644
--- a/tests/codeception/api/unit/models/authentication/ForgotPasswordFormTest.php
+++ b/tests/codeception/api/unit/models/authentication/ForgotPasswordFormTest.php
@@ -41,19 +41,19 @@ class ForgotPasswordFormTest extends TestCase {
         $this->assertEmpty($model->getErrors('login'), 'empty errors if login is exists');
     }
 
-    public function testValidateTotpToken() {
+    public function testValidateTotp() {
         $model = new ForgotPasswordForm();
         $model->login = 'AccountWithEnabledOtp';
-        $model->token = '123456';
-        $model->validateTotpToken('token');
-        $this->assertEquals(['error.token_incorrect'], $model->getErrors('token'));
+        $model->totp = '123456';
+        $model->validateTotp('totp');
+        $this->assertEquals(['error.totp_incorrect'], $model->getErrors('totp'));
 
         $totp = TOTP::create('BBBB');
         $model = new ForgotPasswordForm();
         $model->login = 'AccountWithEnabledOtp';
-        $model->token = $totp->now();
-        $model->validateTotpToken('token');
-        $this->assertEmpty($model->getErrors('token'));
+        $model->totp = $totp->now();
+        $model->validateTotp('totp');
+        $this->assertEmpty($model->getErrors('totp'));
     }
 
     public function testValidateActivity() {
diff --git a/tests/codeception/api/unit/models/authentication/LoginFormTest.php b/tests/codeception/api/unit/models/authentication/LoginFormTest.php
index 1307eca..7ee65fc 100644
--- a/tests/codeception/api/unit/models/authentication/LoginFormTest.php
+++ b/tests/codeception/api/unit/models/authentication/LoginFormTest.php
@@ -72,31 +72,31 @@ class LoginFormTest extends TestCase {
         });
     }
 
-    public function testValidateTotpToken() {
+    public function testValidateTotp() {
         $account = new AccountIdentity(['password' => '12345678']);
         $account->password = '12345678';
         $account->is_otp_enabled = true;
         $account->otp_secret = 'AAAA';
 
-        $this->specify('error.token_incorrect if totp invalid', function() use ($account) {
+        $this->specify('error.totp_incorrect if totp invalid', function() use ($account) {
             $model = $this->createModel([
                 'password' => '12345678',
-                'token' => '321123',
+                'totp' => '321123',
                 'account' => $account,
             ]);
-            $model->validateTotpToken('token');
-            $this->assertEquals(['error.token_incorrect'], $model->getErrors('token'));
+            $model->validateTotp('totp');
+            $this->assertEquals(['error.totp_incorrect'], $model->getErrors('totp'));
         });
 
         $totp = TOTP::create($account->otp_secret);
         $this->specify('no errors if password valid', function() use ($account, $totp) {
             $model = $this->createModel([
                 'password' => '12345678',
-                'token' => $totp->now(),
+                'totp' => $totp->now(),
                 'account' => $account,
             ]);
-            $model->validateTotpToken('token');
-            $this->assertEmpty($model->getErrors('token'));
+            $model->validateTotp('totp');
+            $this->assertEmpty($model->getErrors('totp'));
         });
     }
 
diff --git a/tests/codeception/api/unit/models/authentication/RegistrationFormTest.php b/tests/codeception/api/unit/models/authentication/RegistrationFormTest.php
index 2db914f..2ece316 100644
--- a/tests/codeception/api/unit/models/authentication/RegistrationFormTest.php
+++ b/tests/codeception/api/unit/models/authentication/RegistrationFormTest.php
@@ -8,6 +8,7 @@ use common\models\Account;
 use common\models\EmailActivation;
 use common\models\UsernameHistory;
 use GuzzleHttp\ClientInterface;
+use ReflectionClass;
 use tests\codeception\api\unit\TestCase;
 use tests\codeception\common\fixtures\AccountFixture;
 use tests\codeception\common\fixtures\EmailActivationFixture;
diff --git a/tests/codeception/api/unit/validators/TotpValidatorTest.php b/tests/codeception/api/unit/validators/TotpValidatorTest.php
index 1954009..118a7cb 100644
--- a/tests/codeception/api/unit/validators/TotpValidatorTest.php
+++ b/tests/codeception/api/unit/validators/TotpValidatorTest.php
@@ -19,13 +19,13 @@ class TotpValidatorTest extends TestCase {
         $validator = new TotpValidator(['account' => $account]);
 
         $result = $this->callProtected($validator, 'validateValue', 123456);
-        $this->assertEquals([E::OTP_TOKEN_INCORRECT, []], $result);
+        $this->assertEquals([E::TOTP_INCORRECT, []], $result);
 
         $result = $this->callProtected($validator, 'validateValue', $controlTotp->now());
         $this->assertNull($result);
 
         $result = $this->callProtected($validator, 'validateValue', $controlTotp->at(time() - 31));
-        $this->assertEquals([E::OTP_TOKEN_INCORRECT, []], $result);
+        $this->assertEquals([E::TOTP_INCORRECT, []], $result);
 
         $validator->window = 2;
         $result = $this->callProtected($validator, 'validateValue', $controlTotp->at(time() - 31));
@@ -34,7 +34,7 @@ class TotpValidatorTest extends TestCase {
         $at = time() - 400;
         $validator->timestamp = $at;
         $result = $this->callProtected($validator, 'validateValue', $controlTotp->now());
-        $this->assertEquals([E::OTP_TOKEN_INCORRECT, []], $result);
+        $this->assertEquals([E::TOTP_INCORRECT, []], $result);
 
         $result = $this->callProtected($validator, 'validateValue', $controlTotp->at($at));
         $this->assertNull($result);