diff --git a/README.md b/README.md
index c4b6f2a..8a297cf 100644
--- a/README.md
+++ b/README.md
@@ -78,6 +78,18 @@ if ($verify->status === 'Aborted') {
 dd($verify);
 
 ```
+# get support id (live project)
+
+```php
+use NagadPayment;
+
+$sid = NagadPayment::tnxID($id)
+             ->amount($amount)
+             ->getSupportID();
+return $sid;
+```
+
+
 
 # Note:
 
@@ -90,6 +102,7 @@ dd($verify);
 
 * Need a merchant account (live server)
 * Contact with Nagad and provide your live server ip address.
+* provide support id ($sid) the nagad office
 
 # Demo
 
diff --git a/src/Nagad.php b/src/Nagad.php
index 304e625..0b925d8 100644
--- a/src/Nagad.php
+++ b/src/Nagad.php
@@ -151,4 +151,40 @@ public function verify(){
         $arr = json_decode($json, true);
         return $arr;
     }
+
+
+    /**
+     * Get support id for live project <callback url>
+     * @author code4mk <hiremostafa@gmail.com>
+     * @since v1.0.0
+     * @version 1.0.0
+     */
+    public function getSupportID()
+    {
+        $DateTime = Date('YmdHis');
+        $MerchantID = config('nagad.merchant_id');
+        $invoiceNo = $this->tnxStatus ? $this->tnxID : 'Inv'.Date('YmdH').rand(1000, 10000);
+        $merchantCallbackURL = config('nagad.callback_url');
+
+        $SensitiveData = [
+            'merchantId' => $MerchantID,
+            'datetime' => $DateTime,
+            'orderId' => $invoiceNo,
+            'challenge' => Utility::generateRandomString()
+        ];
+
+        $PostData = array(
+            'accountNumber' => config('nagad.merchant_number'),
+            'dateTime' => $DateTime,
+            'sensitiveData' => Utility::EncryptDataWithPublicKey(json_encode($SensitiveData)),
+            'signature' => Utility::SignatureGenerate(json_encode($SensitiveData))
+        );
+
+        $initializeUrl = $this->nagadHost."/check-out/initialize/" . $MerchantID . "/" . $invoiceNo;
+
+        $Result_Data = Utility::HttpPostMethodSupportID($initializeUrl,$PostData);
+
+        return $Result_Data;
+
+    }
 }
diff --git a/src/Utility.php b/src/Utility.php
index 549083c..9bd3679 100644
--- a/src/Utility.php
+++ b/src/Utility.php
@@ -82,6 +82,32 @@ public static function DecryptDataWithPrivateKey($crypttext)
         return $plain_text;
     }
 
+    public static function HttpPostMethodSupportID($PostURL, $PostData)
+    {
+        $url = curl_init($PostURL);
+        $posttoken = json_encode($PostData);
+        $header = array(
+            'Content-Type:application/json',
+            'X-KM-Api-Version:v-0.2.0',
+            'X-KM-IP-V4:' . self::get_client_ip(),
+            'X-KM-Client-Type:PC_WEB'
+        );
+
+        curl_setopt($url, CURLOPT_HTTPHEADER, $header);
+        curl_setopt($url, CURLOPT_CUSTOMREQUEST, "POST");
+        curl_setopt($url, CURLOPT_RETURNTRANSFER, true);
+        curl_setopt($url, CURLOPT_POSTFIELDS, $posttoken);
+        curl_setopt($url, CURLOPT_FOLLOWLOCATION, 1);
+        curl_setopt($url, CURLOPT_SSL_VERIFYHOST, 0);
+        curl_setopt($url, CURLOPT_SSL_VERIFYPEER, 0);
+        curl_setopt($url, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
+
+
+        $resultdata = curl_exec($url);
+        curl_close($url);
+        return $resultdata;
+    }
+
     public static function HttpPostMethod($PostURL, $PostData)
     {
         $url = curl_init($PostURL);