diff --git a/src/Provider/GreenWeb.php b/src/Provider/GreenWeb.php
index a14b03e..9f99097 100644
--- a/src/Provider/GreenWeb.php
+++ b/src/Provider/GreenWeb.php
@@ -23,18 +23,18 @@ public function __construct(Sender $sender)
      */
     public function sendRequest()
     {
-        $to = $this->senderObject->getMobile();
+        $to = $this->formatNumber($this->senderObject->getMobile());
         $config = $this->senderObject->getConfig();
         $token = $config['token'];
         $message = $this->senderObject->getMessage();
 
         $url = "https://api.greenweb.com.bd/api.php?json";
 
-        $data = array(
-            'to' => "$to",
-            'message' => "$message",
-            'token' => "$token"
-        );
+        $data = [
+            'to' => $to,
+            'message' => $message,
+            'token' => $token
+        ];
         $ch = curl_init();
         curl_setopt($ch, CURLOPT_URL, $url);
         curl_setopt($ch, CURLOPT_ENCODING, '');
@@ -50,6 +50,23 @@ public function sendRequest()
         return $this->generateReport($smsResult, $data);
     }
 
+    /**
+     * For mobile number
+     * @param $mobile
+     * @return string
+     */
+    private function formatNumber($mobile): string
+    {
+        if (mb_substr($mobile, 0, 2) == '01') {
+            $number = $mobile;
+        } elseif (mb_substr($mobile, 0, 2) == '88') {
+            $number = str_replace('88', '', $mobile);
+        } elseif (mb_substr($mobile, 0, 3) == '+88') {
+            $number = str_replace('+88', '', $mobile);
+        }
+        return '88' . $number;
+    }
+
     /**
      * @param $result
      * @param $data
@@ -79,4 +96,4 @@ public function errorException()
             throw new XenonException('token key is absent in configuration');
 
     }
-}
\ No newline at end of file
+}
diff --git a/src/Provider/Mim.php b/src/Provider/Mim.php
index f7a59fc..e231ae0 100644
--- a/src/Provider/Mim.php
+++ b/src/Provider/Mim.php
@@ -26,21 +26,28 @@ public function sendRequest(): array
         $number = $this->formatNumber($this->senderObject->getMobile());
         $text = $this->senderObject->getMessage();
         $config = $this->senderObject->getConfig();
-
+        
         $data = [
-            'sendsms'         => '',
-            'Apikey'          => $config['apikey'],
-            'UserName'        => $config['apitoken'],
-            'SenderName'      => $config['senderid'],
+            'UserName' => $config['username'],
+            'Apikey' => $config['apikey'],
+            'MobileNumber' => $number,
+            'SenderName' => $config['senderid'],
             'TransactionType' => 'T',
-            'MobileNumber'    => $number,
-            'Message'         => $text,
+            'Message' => $text
         ];
-        $ch = curl_init(); // Initialize cURL
-        curl_setopt($ch, CURLOPT_URL, $url);
-        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
+        
+        $payload = json_encode($data);
+        
+        $ch = curl_init($url);
+        
+        curl_setopt($ch, CURLOPT_POST, 1);
+        curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
+        curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
+        
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        
         $smsResult = curl_exec($ch);
+        
         curl_close($ch);
         return $this->generateReport($smsResult, $data);
     }