diff --git a/src/factiva/analytics/common/req.py b/src/factiva/analytics/common/req.py
index fa775bf..3a64c9a 100644
--- a/src/factiva/analytics/common/req.py
+++ b/src/factiva/analytics/common/req.py
@@ -70,14 +70,17 @@ def api_send_request(method:str='GET',
     if not isinstance(headers, dict):
         raise ValueError('Unexpected headers value')
 
+    headers.update({
+        'X-API-VERSION': const.API_LATEST_VERSION
+    })
+
     vsum = 'f4c71v4f4c71v4f4c71v4f4c71v4f4c7'
     if 'user-key' in headers:
         vsum = tools.md5hash(headers['user-key'])
 
     if config.USERAGENT:
         headers.update({
-            'User-Agent': f'RDL-Python-{__version__}-{vsum}',
-            'X-API-VERSION': const.API_LATEST_VERSION
+            'User-Agent': f'RDL-Python-{__version__}-{vsum}'
         })
         __log.debug(f"{method} Request with User-Agent {headers['User-Agent']}")