diff --git a/Extensions/XModelExtensions.cs b/Extensions/XModelExtensions.cs
index 5d55da1..b1504ee 100644
--- a/Extensions/XModelExtensions.cs
+++ b/Extensions/XModelExtensions.cs
@@ -157,6 +157,20 @@ namespace xIdentityModels.Extensions
             return result;
         }
 
+        /// <summary>
+        /// Validate ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <returns></returns>
+        public static bool IsValid(this XCreateApiKeyRequest source)
+        {
+            //
+            var result = !source.IsNull();
+
+            //
+            return result;
+        }
+
         /// <summary>
         /// Validate Item for Add or Update ...
         /// </summary>
diff --git a/Models/XCreateApiKeyRequest.cs b/Models/XCreateApiKeyRequest.cs
new file mode 100644
index 0000000..b8e081d
--- /dev/null
+++ b/Models/XCreateApiKeyRequest.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+
+namespace xIdentityModels.Models
+{
+    /// <summary>
+    /// Create Specified Api Key ...
+    /// </summary>
+    public class XCreateApiKeyRequest
+    {
+        public int? RateLimit {get; set;} = null;
+        public TimeSpan? Expiration {get; set;} = null;
+        public IEnumerable<string> Scopes {get; set;} = null;
+        public IEnumerable<string> AllowedIPs {get; set;} = null;
+    }
+}
\ No newline at end of file
diff --git a/Models/XRotateApiKeyRequest.cs b/Models/XRotateApiKeyRequest.cs
new file mode 100644
index 0000000..e01b8dc
--- /dev/null
+++ b/Models/XRotateApiKeyRequest.cs
@@ -0,0 +1,12 @@
+using System;
+
+namespace xIdentityModels.Models
+{
+    /// <summary>
+    /// Rotate Specified Api Key ...
+    /// </summary>
+    public class XRotateApiKeyRequest
+    {
+        public TimeSpan? NewExpiration { get; set; } = null;
+    }
+}
\ No newline at end of file