diff --git a/app/env_config.py b/app/env_config.py
index c71fbea..ecd74ba 100644
--- a/app/env_config.py
+++ b/app/env_config.py
@@ -79,22 +79,11 @@ if match:
 else:
     wh_masked_url = "[Invalid webhook URL]"
 
-# HTTP headers
+# HTTP headers - natural browser headers
 HEADERS = {
-    "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36",
-    "Accept": "application/json, text/plain, */*",
-    "Accept-Language": "fr-FR,fr;q=0.9,en-US;q=0.8,en;q=0.7",
-    "Accept-Encoding": "gzip, deflate, br, zstd",
-    "Referer": "https://partners.nvidia.com/",
-    "Origin": "https://partners.nvidia.com",
-    "Connection": "keep-alive",
-    "Sec-Fetch-Dest": "empty",
-    "Sec-Fetch-Mode": "cors",
-    "Sec-Ch-Ua": "\"Google Chrome\";v=\"131\", \"Chromium\";v=\"131\", \"Not.A/Brand\";v=\"24\"",
-    "Sec-Ch-Ua-Platform": "\"macOS\"",
-    "Cache-Control": "no-cache, no-store, must-revalidate",
-    "Pragma": "no-cache",
-    "Expires": "0"
+    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36",
+    "Accept": "application/json",
+    "Referer": "https://partners.nvidia.com/"
 }
 
 # Load country setting and localization config
diff --git a/app/gpu_checker.py b/app/gpu_checker.py
index 75713d4..88f5a50 100644
--- a/app/gpu_checker.py
+++ b/app/gpu_checker.py
@@ -1,6 +1,7 @@
 import requests
 import logging
 import time
+import random
 from env_config import HEADERS, PRODUCT_NAMES, API_URL_SKU, API_URL_STOCK, PRODUCT_URL
 from notifier import send_discord_notification, send_out_of_stock_notification, send_sku_change_notification
 from requests.adapters import HTTPAdapter, Retry
@@ -22,8 +23,9 @@ def check_rtx_50_founders():
 
     # Fetching nvidia API data
     try:
-        cache_buster = int(time.time() * 1000)
-        sku_url = f"{API_URL_SKU}&_t={cache_buster}"
+        # Natural cache busting that looks like API versioning
+        version_param = f"1.{int(time.time() % 10000)}.{random.randint(10, 99)}"
+        sku_url = f"{API_URL_SKU}&api_version={version_param}"
         
         response = session.get(sku_url, timeout=10)
         logging.info(f"SKU API response: {response.status_code}")
@@ -62,8 +64,8 @@ def check_rtx_50_founders():
         first_run_dict[product_name] = False
         
         # Check product availability in API_URL_STOCK for each SKU
-        cache_buster = int(time.time() * 1000)
-        api_stock_url = f"{API_URL_STOCK}{product_sku}&_t={cache_buster}"
+        version_param = f"1.{int(time.time() % 10000)}.{random.randint(10, 99)}"
+        api_stock_url = f"{API_URL_STOCK}{product_sku}&api_version={version_param}"
         logging.info(f"[{product_name}] Checking stock: {api_stock_url}")
 
         try: