diff --git a/src/Api.php b/src/Api.php
index 226d06a..425722b 100644
--- a/src/Api.php
+++ b/src/Api.php
@@ -8,7 +8,9 @@ use BushlanovDev\MaxMessengerBot\Exceptions\ClientApiException;
 use BushlanovDev\MaxMessengerBot\Exceptions\NetworkException;
 use BushlanovDev\MaxMessengerBot\Exceptions\SerializationException;
 use BushlanovDev\MaxMessengerBot\Models\BotInfo;
+use BushlanovDev\MaxMessengerBot\Models\ResultModel;
 use BushlanovDev\MaxMessengerBot\Models\Subscription;
+use BushlanovDev\MaxMessengerBot\Models\SubscriptionRequestBody;
 use InvalidArgumentException;
 
 /**
@@ -20,7 +22,7 @@ use InvalidArgumentException;
 class Api
 {
     private const string METHOD_GET = 'GET';
-    //    private const string METHOD_POST = 'POST';
+    private const string METHOD_POST = 'POST';
     //    private const string METHOD_DELETE = 'DELETE';
 
     private const string ACTION_ME = '/me';
@@ -84,4 +86,27 @@ class Api
             $this->client->request(self::METHOD_GET, self::ACTION_SUBSCRIPTIONS)
         );
     }
+
+    /**
+     * Subscribes the bot to receive updates via WebHook.
+     *
+     * @param SubscriptionRequestBody $body
+     *
+     * @return ResultModel
+     *
+     * @throws ClientApiException
+     * @throws NetworkException
+     * @throws SerializationException
+     */
+    public function subscribe(SubscriptionRequestBody $body): ResultModel
+    {
+        return $this->modelFactory->createResult(
+            $this->client->request(
+                self::METHOD_POST,
+                self::ACTION_SUBSCRIPTIONS,
+                [],
+                $body->toArray(),
+            )
+        );
+    }
 }
diff --git a/src/ModelFactory.php b/src/ModelFactory.php
index e9df7d5..a839116 100644
--- a/src/ModelFactory.php
+++ b/src/ModelFactory.php
@@ -6,6 +6,7 @@ namespace BushlanovDev\MaxMessengerBot;
 
 use BushlanovDev\MaxMessengerBot\Models\BotCommand;
 use BushlanovDev\MaxMessengerBot\Models\BotInfo;
+use BushlanovDev\MaxMessengerBot\Models\ResultModel;
 use BushlanovDev\MaxMessengerBot\Models\Subscription;
 
 /**
@@ -13,6 +14,18 @@ use BushlanovDev\MaxMessengerBot\Models\Subscription;
  */
 class ModelFactory
 {
+    /**
+     * Simple response to request.
+     *
+     * @param array<string, mixed> $data
+     *
+     * @return ResultModel
+     */
+    public function createResult(array $data): ResultModel
+    {
+        return ResultModel::fromArray($data);
+    }
+
     /**
      * Information about the current bot.
      *
diff --git a/src/Models/AbstractModel.php b/src/Models/AbstractModel.php
index 35e5c9e..9f6cad7 100644
--- a/src/Models/AbstractModel.php
+++ b/src/Models/AbstractModel.php
@@ -16,6 +16,25 @@ abstract readonly class AbstractModel
      */
     public function toArray(): array
     {
-        return get_object_vars($this);
+        return array_map(function ($value) {
+            return $this->convertValue($value);
+        }, get_object_vars($this));
+    }
+
+    private function convertValue(mixed $value): mixed
+    {
+        if ($value instanceof AbstractModel) {
+            return $value->toArray();
+        }
+
+        if (is_array($value)) {
+            return array_map([$this, 'convertValue'], $value);
+        }
+
+        if ($value instanceof \BackedEnum) {
+            return $value->value;
+        }
+
+        return $value;
     }
 }
diff --git a/src/Models/ResultModel.php b/src/Models/ResultModel.php
new file mode 100644
index 0000000..71a74c3
--- /dev/null
+++ b/src/Models/ResultModel.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models;
+
+/**
+ * Simple response to request.
+ */
+final readonly class ResultModel extends AbstractModel
+{
+    /**
+     * @param bool $success true if request was successful, false otherwise.
+     * @param string|null $message Explanatory message if the result was not successful.
+     */
+    public function __construct(
+        public bool $success,
+        public ?string $message,
+    ) {
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public static function fromArray(array $data): static
+    {
+        return new static(
+            (bool)$data['success'],
+            $data['message'] ?? null,
+        );
+    }
+}
diff --git a/src/Models/Subscription.php b/src/Models/Subscription.php
index 76e8050..ee69de9 100644
--- a/src/Models/Subscription.php
+++ b/src/Models/Subscription.php
@@ -33,7 +33,7 @@ final readonly class Subscription extends AbstractModel
         $updateTypes = null;
         if (isset($data['update_types']) && is_array($data['update_types'])) {
             $updateTypes = array_map(
-                fn (string $typeValue): UpdateType => UpdateType::from($typeValue),
+                fn(string $typeValue): UpdateType => UpdateType::from($typeValue),
                 $data['update_types'],
             );
         }
diff --git a/src/Models/SubscriptionRequestBody.php b/src/Models/SubscriptionRequestBody.php
new file mode 100644
index 0000000..c98c5f3
--- /dev/null
+++ b/src/Models/SubscriptionRequestBody.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models;
+
+use BushlanovDev\MaxMessengerBot\Enums\UpdateType;
+
+final readonly class SubscriptionRequestBody extends AbstractModel
+{
+    /**
+     * @param string $url URL webhook.
+     * @param string|null $secret Secret key for verifying the authenticity of requests.
+     * @param UpdateType[]|null $update_types List of update types.
+     * @param string|null $version Version of the API.
+     */
+    public function __construct(
+        public string $url,
+        public ?string $secret = null,
+        public ?array $update_types = null,
+        public ?string $version = null,
+    ) {
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public static function fromArray(array $data): static
+    {
+        $updateTypes = null;
+        if (isset($data['update_types']) && is_array($data['update_types'])) {
+            $updateTypes = array_map(
+                fn(string $typeValue): UpdateType => UpdateType::from($typeValue),
+                $data['update_types'],
+            );
+        }
+
+        return new static(
+            (string)$data['url'],
+            $data['secret'] ?? null,
+            $updateTypes,
+            $data['version'] ?? null,
+        );
+    }
+}