diff --git a/src/Config/sms.php b/src/Config/sms.php
index a9b5372..e138dc2 100644
--- a/src/Config/sms.php
+++ b/src/Config/sms.php
@@ -291,6 +291,7 @@
             'api_token' => env('SMS_SSL_API_TOKEN', ''),
             'sid' => env('SMS_SSL_SID', ''),
             'csms_id' => env('SMS_SSL_CSMS_ID', ''),
+            'batch_csms_id ' => env('SMS_SSL_BATCH_CSMS_ID ', ''),
         ],
         Tense::class => [
             'user' => env('SMS_TENSE_USER', ''),
diff --git a/src/Provider/BulkSmsBD.php b/src/Provider/BulkSmsBD.php
index 85b2594..ae24262 100644
--- a/src/Provider/BulkSmsBD.php
+++ b/src/Provider/BulkSmsBD.php
@@ -55,6 +55,10 @@ public function sendRequest()
             $query ['senderid'] = $config['senderid'];
         }
 
+        if (is_array($number)) {
+            $query['number'] =  implode(',', $number);
+        }
+
         $requestObject = new Request($this->apiEndpoint, $query, $queue, [], $queueName,$tries,$backoff);
         $response = $requestObject->get();
         if ($queue) {
@@ -78,5 +82,11 @@ public function errorException()
             throw new ParameterException('api_key key is absent in configuration');
         }
 
+        if (!array_key_exists('senderid', $this->senderObject->getConfig())) {
+            throw new ParameterException('senderid key is absent in configuration');
+        }
+
+
+
     }
 }
diff --git a/src/Provider/Esms.php b/src/Provider/Esms.php
index d7ab585..54ad56c 100644
--- a/src/Provider/Esms.php
+++ b/src/Provider/Esms.php
@@ -18,6 +18,7 @@
 
 class Esms extends AbstractProvider
 {
+    private string $apiEndpoint = 'https://login.esms.com.bd/api/v3/sms/send';
     /**
      * DianaHost constructor.
      * @param Sender $sender
@@ -52,7 +53,7 @@ public function sendRequest()
             'Content-Type' => 'application/json'
         ];
 
-        $requestObject = new Request('https://login.esms.com.bd/api/v3/sms/send', $query, $queue, [], $queueName,$tries,$backoff);
+        $requestObject = new Request($this->apiEndPoint, $query, $queue, [], $queueName,$tries,$backoff);
         $requestObject->setHeaders($headers)->setContentTypeJson(true);
         $response = $requestObject->post();
         if ($queue) {
diff --git a/src/Provider/Ssl.php b/src/Provider/Ssl.php
index 7c29284..ffc5082 100644
--- a/src/Provider/Ssl.php
+++ b/src/Provider/Ssl.php
@@ -45,12 +45,17 @@ public function sendRequest()
         $query = [
             'api_token' => $config['api_token'],
             'sid' => $config['sid'],
-            'csms_id' => $config['csms_id'],
             'msisdn' => $mobile,
+            'csms_id' => $config['csms_id'],
             'sms' => $text,
+            'batch_csms_id' => $config['batch_csms_id'] ?? null,
         ];
 
         $requestObject = new Request($this->apiEndpoint . (is_array($mobile) ? '/bulk' : ''), $query, $queue, [], $queueName, $tries, $backoff);
+        $requestObject->setHeaders([
+            'Content-Type' => 'application/json',
+        ])->setContentTypeJson(true);
+
         $response = $requestObject->post();
         if ($queue) {
             return true;
@@ -79,5 +84,9 @@ public function errorException()
             throw new RenderException('csms_id key is absent in configuration');
         }
 
+        if (is_array($this->senderObject->getMobile()) && !array_key_exists('batch_csms_id', $this->senderObject->getConfig())) {
+            throw new RenderException('batch_csms_id key is absent in configuration. This is required if you send array of receivers');
+        }
+
     }
 }