last ...

Extensions/XModelExtensions.cs

@@ -230,7 +230,7 @@ namespace xIdentityModels.Extensions
             //
             var result =
                 !source.IsNullOrDefault() &&
-                !source.ApplicationId.IsValidIntId() &&
+                source.ApplicationId.IsValidIntId() &&
                 !source.KeyHash.IsNullOrEmpty();
 
             //

Models/XApiKey.cs

@@ -15,6 +15,12 @@ namespace xIdentityModels.Models
         [Required]
         public int ApplicationId { get; set; }
 
+        /// <summary>
+        /// ApiKey ...
+        /// </summary>
+        [Required]
+        public string Key { get; set; }
+
         /// <summary>
         /// Hash ...
         /// SHA256 of ApiKey ...

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;
     }