diff --git a/OneBlink.SDK.Tests/KeysClientTests.cs b/OneBlink.SDK.Tests/KeysClientTests.cs
index 17738c6..521ab2b 100644
--- a/OneBlink.SDK.Tests/KeysClientTests.cs
+++ b/OneBlink.SDK.Tests/KeysClientTests.cs
@@ -40,6 +40,15 @@ public async void can_get_developer_key()
             KeysClient keysClient = new KeysClient(ACCESS_KEY, SECRET_KEY, TenantName.ONEBLINK_TEST);
             DeveloperKey developerKey = await keysClient.GetDeveloperKey(ACCESS_KEY);
             Assert.NotNull(developerKey);
+            Assert.NotNull(developerKey.id);
+            Assert.NotNull(developerKey.links);
+            Assert.NotNull(developerKey.links.organisations);
+            Assert.NotNull(developerKey.name);
+            Assert.NotNull(developerKey.privilege);
+            Assert.Null(developerKey.privilege.API_HOSTING);
+            Assert.NotNull(developerKey.privilege.FORMS);
+            Assert.NotNull(developerKey.privilege.PDF);
+            Assert.Null(developerKey.privilege.WEB_APP_HOSTING);
         }
 
         [Fact]
diff --git a/OneBlink.SDK.Tests/OneBlink.SDK.Tests.csproj b/OneBlink.SDK.Tests/OneBlink.SDK.Tests.csproj
index 28d415c..1163369 100644
--- a/OneBlink.SDK.Tests/OneBlink.SDK.Tests.csproj
+++ b/OneBlink.SDK.Tests/OneBlink.SDK.Tests.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
     <RootNamespace>unit_tests</RootNamespace>
 
     <IsPackable>false</IsPackable>
diff --git a/OneBlink.SDK/models/DeveloperKey.cs b/OneBlink.SDK/models/DeveloperKey.cs
index ec37453..4aea820 100644
--- a/OneBlink.SDK/models/DeveloperKey.cs
+++ b/OneBlink.SDK/models/DeveloperKey.cs
@@ -1,30 +1,84 @@
 using System;
+using Newtonsoft.Json;
 
 namespace OneBlink.SDK.Model
 {
     public class DeveloperKey
     {
-        public string id { get; internal set; }
+        [JsonProperty]
+        public string id
+        {
+            get; internal set;
+        }
+
+        [JsonProperty]
         [Obsolete("secret is deprecated and will always be null.")]
-        public string secret { get; internal set; }
-        public long customerSecretId { get; internal set; }
-        public string name { get; internal set; }
-        public DeveloperKeyPrivilege privilege { get; internal set; }
-        public DeveloperKeyLinks links { get; internal set; }
-        public Boolean isSolutions { get; internal set; }
+        public string secret
+        {
+            get; internal set;
+        }
+
+        [JsonProperty]
+        public long customerSecretId
+        {
+            get; internal set;
+        }
+
+        [JsonProperty]
+        public string name
+        {
+            get; internal set;
+        }
+
+        [JsonProperty]
+        public DeveloperKeyPrivilege privilege
+        {
+            get; internal set;
+        }
+
+        [JsonProperty]
+        public DeveloperKeyLinks links
+        {
+            get; internal set;
+        }
 
     }
 
     public class DeveloperKeyPrivilege
     {
-        public string API_HOSTING { get; internal set; }
-        public string PDF { get; internal set; }
-        public string WEB_APP_HOSTING { get; internal set; }
-        public string FORMS { get; internal set; }
+
+        [JsonProperty]
+        public string API_HOSTING
+        {
+            get; internal set;
+        }
+
+        [JsonProperty]
+        public string PDF
+        {
+            get; internal set;
+        }
+
+        [JsonProperty]
+        public string WEB_APP_HOSTING
+        {
+            get; internal set;
+        }
+
+        [JsonProperty]
+        public string FORMS
+        {
+            get; internal set;
+        }
     }
 
     public class DeveloperKeyLinks
     {
-        public string organisations { get; internal set; }
+
+        [JsonProperty]
+        public string organisations
+        {
+            get; internal set;
+        }
     }
 }
\ No newline at end of file