diff --git a/Extensions/XModelExtensions.cs b/Extensions/XModelExtensions.cs
index b1504ee..91b0868 100644
--- a/Extensions/XModelExtensions.cs
+++ b/Extensions/XModelExtensions.cs
@@ -230,7 +230,7 @@ namespace xIdentityModels.Extensions
             //
             var result =
                 !source.IsNullOrDefault() &&
-                !source.ApplicationId.IsValidIntId() &&
+                source.ApplicationId.IsValidIntId() &&
                 !source.KeyHash.IsNullOrEmpty();
 
             //
diff --git a/Models/XCreateApiKeyRequest.cs b/Models/XCreateApiKeyRequest.cs
index b8e081d..6709785 100644
--- a/Models/XCreateApiKeyRequest.cs
+++ b/Models/XCreateApiKeyRequest.cs
@@ -1,4 +1,3 @@
-using System;
 using System.Collections.Generic;
 
 namespace xIdentityModels.Models
@@ -9,7 +8,7 @@ namespace xIdentityModels.Models
     public class XCreateApiKeyRequest
     {
         public int? RateLimit {get; set;} = null;
-        public TimeSpan? Expiration {get; set;} = null;
+        public int? ExpirationMinutes {get; set;} = null;
         public IEnumerable<string> Scopes {get; set;} = null;
         public IEnumerable<string> AllowedIPs {get; set;} = null;
     }