De 1251 api messages endpoint

src/Api/Message.php

@@ -15,6 +15,7 @@
 use Mailgun\Assert;
 use Mailgun\Exception\InvalidArgumentException;
 use Mailgun\Message\BatchMessage;
+use Mailgun\Model\Message\QueueStatusResponse;
 use Mailgun\Model\Message\SendResponse;
 use Mailgun\Model\Message\ShowResponse;
 use Psr\Http\Client\ClientExceptionInterface;
@@ -146,6 +147,22 @@ public function show(string $url, bool $rawMessage = false, array $requestHeader
         return $this->hydrateResponse($response, ShowResponse::class);
     }
 
+    /**
+     * Get messages queue status
+     * @see https://documentation.mailgun.com/docs/mailgun/api-reference/openapi-final/tag/Messages/#tag/Messages/operation/httpapi.(*LegacyHttpApi).GetDomainSendingQueues-fm-70
+     * @param string $domain
+     * @param array $requestHeaders
+     * @return QueueStatusResponse
+     * @throws ClientExceptionInterface
+     */
+    public function getMessageQueueStatus(string $domain, array $requestHeaders = [])
+    {
+        Assert::notEmpty($domain);
+        $response = $this->httpGet(sprintf('/v3/domains/%s/sending_queues', $domain), [], $requestHeaders);
+
+        return $this->hydrateResponse($response, QueueStatusResponse::class);
+    }
+
     /**
      * @param array $filePath array('fileContent' => 'content') or array('filePath' => '/foo/bar')
      *

src/Model/Message/QueueStatusResponse.php

@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Copyright (C) 2013 Mailgun
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
+namespace Mailgun\Model\Message;
+
+use Mailgun\Model\ApiResponse;
+
+final class QueueStatusResponse implements ApiResponse
+{
+    /**
+     * @var array
+     */
+    private $regular;
+    /**
+     * @var array
+     */
+    private $scheduled;
+
+    public static function create(array $data): self
+    {
+        $model = new self();
+        $model->regular = $data['regular'] ?? [];
+        $model->scheduled = $data['scheduled'] ?? [];
+
+        return $model;
+    }
+
+    /**
+     * @return array
+     */
+    public function getRegular(): array
+    {
+        return $this->regular;
+    }
+
+    /**
+     * @return array
+     */
+    public function getScheduled(): array
+    {
+        return $this->scheduled;
+    }
+
+}