diff --git a/src/Controller/APIController.php b/src/Controller/APIController.php
index 1a1c6165..b03f057e 100644
--- a/src/Controller/APIController.php
+++ b/src/Controller/APIController.php
@@ -13,6 +13,7 @@ use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\Dotenv\Dotenv;
 use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpKernel\KernelInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
 
 use CrEOF\Spatial\PHP\Types\Geometry\Point;
 
@@ -2978,7 +2979,7 @@ class APIController extends Controller implements LoggedController
         return $serial . '/' . $filename;
     }
 
-    public function warrantyRegister($serial, EntityManagerInterface $em, Request $req, KernelInterface $kernel)
+    public function warrantyRegister($serial, EntityManagerInterface $em, Request $req, KernelInterface $kernel, RisingTideGateway $rt, TranslatorInterface $trans)
     {
         // check required parameters and api key
         $required_params = [
@@ -3008,14 +3009,14 @@ class APIController extends Controller implements LoggedController
         // $cust = $this->updateCustomerInfo($req, $em);
 
         // update warranty
-        $res = $this->updateWarranty($res, $em, $req, $serial, $inv_filename, $wcard_filename);
+        $res = $this->updateWarranty($res, $em, $trans, $req, $serial, $inv_filename, $wcard_filename);
 
         $em->flush();
 
         return $res->getReturnResponse();
     }
 
-    protected function updateWarranty($res, $em, $req, $serial, $inv_filename = null, $wcard_filename = null)
+    protected function updateWarranty($res, $em, $trans, $req, $serial, $inv_filename = null, $wcard_filename = null)
     {
         // get serial
         $warr_serial = $em->getRepository(WarrantySerial::class)->find($serial);
@@ -3051,10 +3052,12 @@ class APIController extends Controller implements LoggedController
                 return $res;
             }
 
+            $sms_msg = $trans->trans('warranty_update_confirm');
         }
         else
         {
             $warr = new Warranty();
+            $sms_msg = $trans->trans('warranty_register_confirm');
         }
 
         // get sap battery
@@ -3121,6 +3124,10 @@ class APIController extends Controller implements LoggedController
         // set data to retrun to user
         $res->setData($data);
 
+        // send sms
+        error_log('sending sms to - ' . $this->session->getPhoneNumber());
+        $rt->sendSMS($this->session->getPhoneNumber(), 'MOTOLITE', $sms_msg);
+
         return $res;
     }
 
diff --git a/src/Controller/CAPI/CustomerWarrantyController.php b/src/Controller/CAPI/CustomerWarrantyController.php
index 7c5ce230..954116cf 100644
--- a/src/Controller/CAPI/CustomerWarrantyController.php
+++ b/src/Controller/CAPI/CustomerWarrantyController.php
@@ -5,12 +5,15 @@ namespace App\Controller\CAPI;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\KernelInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
 use Doctrine\ORM\Query;
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
+
 use Catalyst\APIBundle\Controller\APIController;
 use Catalyst\APIBundle\Response\APIResponse;
 
+use App\Service\RisingTideGateway;
 
 use App\Entity\WarrantySerial;
 use App\Entity\Warranty;
@@ -266,7 +269,7 @@ class CustomerWarrantyController extends APIController
     }
 
 
-    public function register($serial, EntityManagerInterface $em, Request $req, KernelInterface $kernel)
+    public function register($serial, EntityManagerInterface $em, Request $req, KernelInterface $kernel, RisingTideGateway $rt, TranslatorInterface $trans)
     {
         error_log('HERE - register');
         // check required parameters
@@ -290,7 +293,7 @@ class CustomerWarrantyController extends APIController
         $wcard_filename = $this->handlePictureUpload($warr_card, $upload_dir, $serial, 'wcard');
 
         // do actual registering
-		$res = $this->updateWarranty($em, $req, $serial, $inv_filename, $wcard_filename);
+		$res = $this->updateWarranty($em, $rt, $trans, $req, $serial, $inv_filename, $wcard_filename);
 
         // flush to db
         $em->flush();
@@ -331,7 +334,7 @@ class CustomerWarrantyController extends APIController
         return $serial . '/' . $filename;
     }
 
-    protected function updateWarranty($em, $req, $serial, $inv_filename = null, $wcard_filename = null)
+    protected function updateWarranty($em, $rt, $trans, $req, $serial, $inv_filename = null, $wcard_filename = null)
     {
         $plate_num = $this->cleanPlateNumber($req->request->get('plate_num'));
 
@@ -348,6 +351,7 @@ class CustomerWarrantyController extends APIController
 
         // skip warranty if it already exists
         $cust = null;
+        $sms_message = '';
         if ($warr != null)
         {
             $warr_plate_num = $this->cleanPlateNumber($warr->getPlateNumber());
@@ -359,10 +363,13 @@ class CustomerWarrantyController extends APIController
 
             // get customer
             $cust = $warr->getCustomer();
+
+            $sms_message = $trans->trans('warranty_update_confirm');
         }
         else
         {
             $warr = new Warranty();
+            $sms_message = $trans->trans('warranty_register_confirm');
         }
 
         error_log('sap battery check');
@@ -463,7 +470,33 @@ class CustomerWarrantyController extends APIController
         // TODO: check if we need to do anyting else
         $data = [];
 
+
+        // send sms confirmation
+        $this->sendSMSConfirmation($rt, $req->request->get('contact_num'), $sms_message);
+
 		return new APIResponse(true, 'Warranty registered.', $data);
     }
 
+    protected function sendSMSConfirmation($rt, $num, $message)
+    {
+        $clean_num = trim($num);
+
+        // check if number is valid
+        // number should have 11 to 12 characters
+        if (strlen($clean_num) < 11 || strlen($clean_num) > 12)
+            return false;
+
+        // check if numeric
+        if (!is_numeric($clean_num))
+            return false;
+
+        // number should begin with 0 or 6
+        if ($clean_num[0] != '0' && $clean_num[0] != '6')
+            return false;
+
+        error_log('sending sms to - ' . $clean_num);
+
+        $rt->sendSMS($clean_num, 'MOTOLITE', $message);
+    }
+
 }
diff --git a/translations/messages.en.yaml b/translations/messages.en.yaml
index e9f077a3..70fe10ca 100644
--- a/translations/messages.en.yaml
+++ b/translations/messages.en.yaml
@@ -26,3 +26,7 @@ image_jo_pdf: /public/assets/images/logo-resq.png
 default_lat: 14.6091
 default_long: 121.0223
 default_region: ph
+
+# warranty text
+warranty_register_confirm: Congratulations! Your warranty has been successfully registered! Read about Motolite's privacy policy at https://www.motolite.com/privacy/.
+warranty_update_confirm: Congratulations! Your warranty has been successfully updated! Read about Motolite's privacy policy at https://www.motolite.com/privacy/.