diff --git a/apps/users/tasks.py b/apps/users/tasks.py
index 5bcb1d9..2ad24ca 100644
--- a/apps/users/tasks.py
+++ b/apps/users/tasks.py
@@ -9,35 +9,46 @@ logger = logging.getLogger(__name__)
 
 def _send_sms(receptor, pattern_code, variables: list = None):
     """
-    Send OTP SMS using SMS.ir pattern-based API
+    Send OTP SMS using SMS.ir verify API
     """
     SMS_ENDPOINT = "https://api.sms.ir/v1/send/verify"
 
     variables = variables or []
-    headers = {"Content-Type": "application/json", "Accept": "text/plain", "x-api-key": settings.SMS_APIKEY}
+
+    headers = {
+        "Content-Type": "application/json",
+        "Accept": "application/json",
+        "x-api-key": settings.SMS_APIKEY,
+    }
+
     payload = {
         "mobile": receptor,
-        "templateId": str(pattern_code),
+        "templateId": int(pattern_code),
         "parameters": variables,
     }
 
-    logger.info(f"Sending SMS to {receptor} with payload: {payload}")
+    logger.info("Sending SMS to %s with payload: %s", receptor, payload)
 
     try:
-        response = requests.post(SMS_ENDPOINT, data=payload, headers=headers, timeout=10)
+        response = requests.post(
+            SMS_ENDPOINT,
+            json=payload,
+            headers=headers,
+            timeout=10,
+        )
 
-        logger.info(f"Response status: {response.status_code}")
-        logger.info(f"Response text: {response.text}")
+        logger.info("Response status: %s", response.status_code)
+        logger.info("Response text: %s", response.text)
 
         if response.status_code == 200:
             result = response.json()
 
             if str(result.get("status", "")) == "1":
-                logger.info(f"SMS sent successfully to {receptor}")
+                logger.info("SMS sent successfully to %s", receptor)
             else:
-                logger.error(f"SMS.ir API error: {result}")
+                logger.error("SMS.ir API error: %s", result)
         else:
-            logger.error(f"HTTP error sending SMS: {response.status_code} - {response.text}")
+            logger.error("HTTP error sending SMS: %s - %s", response.status_code, response.text)
 
         return response