diff --git a/api/models/base/KeyConfirmationForm.php b/api/models/base/KeyConfirmationForm.php
index 1ad128a..bc23c73 100644
--- a/api/models/base/KeyConfirmationForm.php
+++ b/api/models/base/KeyConfirmationForm.php
@@ -1,6 +1,7 @@
 <?php
 namespace api\models\base;
 
+use api\validators\EmailActivationKeyValidator;
 use common\models\EmailActivation;
 
 class KeyConfirmationForm extends ApiForm {
@@ -13,27 +14,10 @@ class KeyConfirmationForm extends ApiForm {
         return [
             // TODO: нужно провалидировать количество попыток ввода кода для определённого IP адреса и в случае чего запросить капчу
             ['key', 'required', 'message' => 'error.key_is_required'],
-            ['key', 'validateKey'],
-            ['key', 'validateKeyExpiration'],
+            ['key', EmailActivationKeyValidator::class],
         ];
     }
 
-    public function validateKey($attribute) {
-        if (!$this->hasErrors()) {
-            if ($this->getActivationCodeModel() === null) {
-                $this->addError($attribute, "error.{$attribute}_not_exists");
-            }
-        }
-    }
-
-    public function validateKeyExpiration($attribute) {
-        if (!$this->hasErrors()) {
-            if ($this->getActivationCodeModel()->isExpired()) {
-                $this->addError($attribute, "error.{$attribute}_expire");
-            }
-        }
-    }
-
     /**
      * @return EmailActivation|null
      */
diff --git a/api/validators/EmailActivationKeyValidator.php b/api/validators/EmailActivationKeyValidator.php
new file mode 100644
index 0000000..3154876
--- /dev/null
+++ b/api/validators/EmailActivationKeyValidator.php
@@ -0,0 +1,33 @@
+<?php
+namespace api\validators;
+
+use common\models\EmailActivation;
+use yii\validators\Validator;
+
+class EmailActivationKeyValidator extends Validator {
+
+    public $notExist = 'error.key_not_exists';
+
+    public $expired = 'error.key_expire';
+
+    public function validateValue($value) {
+        if (($model = $this->findEmailActivationModel($value)) === null) {
+            return [$this->notExist, []];
+        }
+
+        if ($model->isExpired()) {
+            return [$this->expired, []];
+        }
+
+        return null;
+    }
+
+    /**
+     * @param string $key
+     * @return null|EmailActivation
+     */
+    protected function findEmailActivationModel($key) {
+        return EmailActivation::findOne($key);
+    }
+
+}
diff --git a/tests/codeception/api/functional.suite.yml b/tests/codeception/api/functional.suite.yml
index 03824e8..eb80cc5 100644
--- a/tests/codeception/api/functional.suite.yml
+++ b/tests/codeception/api/functional.suite.yml
@@ -4,10 +4,10 @@ modules:
         - Filesystem
         - Yii2
         - tests\codeception\common\_support\FixtureHelper
-        - REST:
-            depends: Yii2
         - Redis
         - AMQP
+        - REST:
+            depends: Yii2
     config:
         Yii2:
             configFile: '../config/api/functional.php'
diff --git a/tests/codeception/api/unit.suite.yml b/tests/codeception/api/unit.suite.yml
index a0582a5..1ba1eb4 100644
--- a/tests/codeception/api/unit.suite.yml
+++ b/tests/codeception/api/unit.suite.yml
@@ -1,6 +1 @@
-# Codeception Test Suite Configuration
-
-# suite for unit (internal) tests.
-# RUN `build` COMMAND AFTER ADDING/REMOVING MODULES.
-
 class_name: UnitTester
diff --git a/tests/codeception/api/unit/models/base/KeyConfirmationFormTest.php b/tests/codeception/api/unit/models/base/KeyConfirmationFormTest.php
index e3a0799..4a93568 100644
--- a/tests/codeception/api/unit/models/base/KeyConfirmationFormTest.php
+++ b/tests/codeception/api/unit/models/base/KeyConfirmationFormTest.php
@@ -3,7 +3,6 @@ namespace tests\codeception\api\models\base;
 
 use api\models\base\KeyConfirmationForm;
 use Codeception\Specify;
-use common\models\confirmations\ForgotPassword;
 use common\models\EmailActivation;
 use tests\codeception\api\unit\DbTestCase;
 use tests\codeception\common\fixtures\EmailActivationFixture;
@@ -17,75 +16,10 @@ class KeyConfirmationFormTest extends DbTestCase {
 
     public function fixtures() {
         return [
-            'emailActivations' => [
-                'class' => EmailActivationFixture::class,
-                'dataFile' => '@tests/codeception/common/fixtures/data/email-activations.php',
-            ],
+            'emailActivations' => EmailActivationFixture::class,
         ];
     }
 
-    public function testValidateKey() {
-        $this->specify('get error.key_not_exists with validation wrong key', function () {
-            /** @var KeyConfirmationForm $model */
-            $model = new class extends KeyConfirmationForm {
-                public function getActivationCodeModel() {
-                    return null;
-                }
-            };
-            $model->validateKey('key');
-            expect($model->errors)->equals([
-                'key' => [
-                    'error.key_not_exists',
-                ],
-            ]);
-        });
-
-        $this->specify('no errors, if model exists', function () {
-            /** @var KeyConfirmationForm $model */
-            $model = new class extends KeyConfirmationForm {
-                public function getActivationCodeModel() {
-                    return new EmailActivation();
-                }
-            };
-            $model->validateKey('key');
-            expect($model->errors)->isEmpty();
-        });
-    }
-
-    public function testValidateKeyExpiration() {
-        $this->specify('get error.key_expire if we use old key', function () {
-            /** @var KeyConfirmationForm $model */
-            $model = new class extends KeyConfirmationForm {
-                public function getActivationCodeModel() {
-                    $codeModel = new ForgotPassword();
-                    $codeModel->created_at = time() - $codeModel->expirationTimeout - 10;
-
-                    return $codeModel;
-                }
-            };
-            $model->validateKeyExpiration('key');
-            expect($model->errors)->equals([
-                'key' => [
-                    'error.key_expire',
-                ],
-            ]);
-        });
-
-        $this->specify('no errors if key is not yet expired', function () {
-            /** @var KeyConfirmationForm $model */
-            $model = new class extends KeyConfirmationForm {
-                public function getActivationCodeModel() {
-                    $codeModel = new ForgotPassword();
-                    $codeModel->created_at = time() - $codeModel->expirationTimeout + 10;
-
-                    return $codeModel;
-                }
-            };
-            $model->validateKeyExpiration('key');
-            expect($model->errors)->isEmpty();
-        });
-    }
-
     public function testGetActivationCodeModel() {
         $this->specify('should return model, based on passed key', function() {
             $model = new KeyConfirmationForm();
diff --git a/tests/codeception/api/unit/validators/EmailActivationKeyValidatorTest.php b/tests/codeception/api/unit/validators/EmailActivationKeyValidatorTest.php
new file mode 100644
index 0000000..bf7baa5
--- /dev/null
+++ b/tests/codeception/api/unit/validators/EmailActivationKeyValidatorTest.php
@@ -0,0 +1,76 @@
+<?php
+namespace codeception\api\unit\validators;
+
+use api\validators\EmailActivationKeyValidator;
+use Codeception\Specify;
+use common\models\confirmations\ForgotPassword;
+use common\models\EmailActivation;
+use tests\codeception\api\unit\DbTestCase;
+use tests\codeception\common\_support\ProtectedCaller;
+use tests\codeception\common\fixtures\EmailActivationFixture;
+
+/**
+ * @property EmailActivationFixture $emailActivations
+ */
+class EmailActivationKeyValidatorTest extends DbTestCase {
+    use Specify;
+    use ProtectedCaller;
+
+    public function fixtures() {
+        return [
+            'emailActivations' => EmailActivationFixture::class,
+        ];
+    }
+
+    public function testFindEmailActivationModel() {
+        $this->specify('get EmailActivation model for exists key', function() {
+            $key = array_values($this->emailActivations->data)[0]['key'];
+            $model = new EmailActivationKeyValidator();
+            /** @var EmailActivation $result */
+            $result = $this->callProtected($model, 'findEmailActivationModel', $key);
+            expect($result)->isInstanceOf(EmailActivation::class);
+            expect($result->key)->equals($key);
+        });
+
+        $this->specify('get null model for exists key', function() {
+            $model = new EmailActivationKeyValidator();
+            expect($this->callProtected($model, 'findEmailActivationModel', 'invalid-key'))->null();
+        });
+    }
+
+    public function testValidateValue() {
+        $this->specify('get error.key_not_exists with validation wrong key', function () {
+            /** @var EmailActivationKeyValidator $model */
+            $model = new class extends EmailActivationKeyValidator {
+                public function findEmailActivationModel($key) {
+                    return null;
+                }
+            };
+            expect($this->callProtected($model, 'validateValue', null))->equals([$model->notExist, []]);
+        });
+
+        $this->specify('get error.key_expire if we use old key', function () {
+            /** @var EmailActivationKeyValidator $model */
+            $model = new class extends EmailActivationKeyValidator {
+                public function findEmailActivationModel($key) {
+                    $codeModel = new ForgotPassword();
+                    $codeModel->created_at = time() - $codeModel->expirationTimeout - 10;
+
+                    return $codeModel;
+                }
+            };
+            expect($this->callProtected($model, 'validateValue', null))->equals([$model->expired, []]);
+        });
+
+        $this->specify('no errors, if model exists and not expired', function () {
+            /** @var EmailActivationKeyValidator $model */
+            $model = new class extends EmailActivationKeyValidator {
+                public function findEmailActivationModel($key) {
+                    return new EmailActivation();
+                }
+            };
+            expect($this->callProtected($model, 'validateValue', null))->null();
+        });
+    }
+
+}
diff --git a/tests/codeception/common/_support/ProtectedCaller.php b/tests/codeception/common/_support/ProtectedCaller.php
new file mode 100644
index 0000000..e62b56b
--- /dev/null
+++ b/tests/codeception/common/_support/ProtectedCaller.php
@@ -0,0 +1,17 @@
+<?php
+namespace tests\codeception\common\_support;
+
+use Codeception\Module;
+use ReflectionClass;
+
+trait ProtectedCaller {
+
+    protected function callProtected($object, string $function, ...$args) {
+        $class = new ReflectionClass($object);
+        $method = $class->getMethod($function);
+        $method->setAccessible(true);
+
+        return $method->invokeArgs($object, $args);
+    }
+
+}
diff --git a/tests/codeception/common/fixtures/EmailActivationFixture.php b/tests/codeception/common/fixtures/EmailActivationFixture.php
index b9e0f70..8617fd9 100644
--- a/tests/codeception/common/fixtures/EmailActivationFixture.php
+++ b/tests/codeception/common/fixtures/EmailActivationFixture.php
@@ -8,6 +8,8 @@ class EmailActivationFixture extends ActiveFixture {
 
     public $modelClass = EmailActivation::class;
 
+    public $dataFile = '@tests/codeception/common/fixtures/data/email-activations.php';
+
     public $depends = [
         AccountFixture::class,
     ];