diff --git a/Extensions/XAiServiceExtensions.cs b/Extensions/XAiServiceExtensions.cs
new file mode 100644
index 0000000..0d45d1e
--- /dev/null
+++ b/Extensions/XAiServiceExtensions.cs
@@ -0,0 +1,44 @@
+using xCommons.Extensions;
+using xExceptions.Constants;
+using xIdentityModels.Models;
+
+namespace xAiService.Extensions
+{
+    public static class XAiServiceExtensions
+    {
+        /// <summary>
+        /// Validate User Info ...
+        /// </summary>
+        /// <param name="userInfo"></param>
+        /// <returns></returns>
+        public static bool IsValid(this XUserClaimsInfoDto userInfo)
+        {
+            //
+            var result =
+                !userInfo.IsNullOrDefault() &&
+                !userInfo.UserId.IsNullOrEmpty() &&
+                !userInfo.AccessToken.IsNullOrEmpty();
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Validate User Info ...
+        /// </summary>
+        /// <param name="userInfo"></param>
+        /// <param name="invalidException"></param>
+        public static void Validate(
+            this XUserClaimsInfoDto userInfo,
+            XException invalidException = XException.InvalidArgs
+        )
+        {
+            //
+            var isValid = userInfo.IsValid();
+            if (!isValid)
+            {
+                invalidException.Throw();
+            }
+        }        
+    }
+}
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