diff --git a/Base/BaseObject.cs b/Base/BaseObject.cs
index 0c0336b..09beac1 100644
--- a/Base/BaseObject.cs
+++ b/Base/BaseObject.cs
@@ -5,13 +5,15 @@
 using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
-using WooCommerce.NET.WordPress.v2;
 
 namespace WooCommerceNET.Base
 {
     [DataContract]
     public class JsonObject
     {
+        [IgnoreDataMember]
+        public static CultureInfo Culture { get; set; }
+
         [OnSerializing]
         void OnSerializing(StreamingContext ctx)
         {
@@ -28,13 +30,13 @@ void OnSerializing(StreamingContext ctx)
                             GetType().GetTypeInfo().BaseType.FullName.StartsWith("WooCommerceNET.WooCommerce.v1") ||
                             GetType().GetTypeInfo().BaseType.FullName.StartsWith("WooCommerceNET.WooCommerce.v2") ||
                             GetType().GetTypeInfo().BaseType.FullName.StartsWith("WooCommerceNET.WooCommerce.v3"))
-                            objValue.SetValue(this, (pi.GetValue(this) as decimal?).Value.ToString(CultureInfo.InvariantCulture));
+                            objValue.SetValue(this, (pi.GetValue(this) as decimal?).Value.ToString(Culture));
                         else
-                            objValue.SetValue(this, decimal.Parse(pi.GetValue(this).ToString(), CultureInfo.InvariantCulture));
+                            objValue.SetValue(this, decimal.Parse(pi.GetValue(this).ToString(), Culture));
                     }
                     else if (pi.PropertyType == typeof(int?))
                     {
-                        objValue.SetValue(this, int.Parse(pi.GetValue(this).ToString(), CultureInfo.InvariantCulture));
+                        objValue.SetValue(this, int.Parse(pi.GetValue(this).ToString(), Culture));
                     }
                     else if (pi.PropertyType == typeof(DateTime?))
                     {
@@ -58,14 +60,14 @@ void OnDeserialized(StreamingContext ctx)
                         object value = objValue.GetValue(this);
 
                         if (!(value == null || value.ToString() == string.Empty))
-                            pi.SetValue(this, decimal.Parse(value.ToString(), CultureInfo.InvariantCulture));
+                            pi.SetValue(this, decimal.Parse(value.ToString(), Culture));
                     }
                     else if (pi.PropertyType == typeof(int?))
                     {
                         object value = objValue.GetValue(this);
 
                         if (!(value == null || value.ToString() == string.Empty))
-                            pi.SetValue(this, int.Parse(value.ToString(), CultureInfo.InvariantCulture));
+                            pi.SetValue(this, int.Parse(value.ToString(), Culture));
                     }
                     else if (pi.PropertyType == typeof(DateTime?))
                     {
diff --git a/Base/HMAC-SHA256.cs b/Base/HMAC-SHA256.cs
index ab8cd6e..a9939a0 100644
--- a/Base/HMAC-SHA256.cs
+++ b/Base/HMAC-SHA256.cs
@@ -1,8 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace WooCommerceNET.Base
 {
diff --git a/Base/SHA1.cs b/Base/SHA1.cs
index 417e9ba..64c8d52 100644
--- a/Base/SHA1.cs
+++ b/Base/SHA1.cs
@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.Text;
 
 namespace WooCommerceNET.Base
 {
diff --git a/Changes.md b/Changes.md
index 14aa7d1..3c511a8 100644
--- a/Changes.md
+++ b/Changes.md
@@ -3,6 +3,10 @@
 
 Version History
 -------------------
+* v0.8.6 update
+  1. Fix manage_stock property deserializing issue in Project object. #722
+  2. Add Culture object in WCObject constructor to resolve format issue. #731
+  3. Allow accessing WordPress plugin REST API with WooCommerce secret and key.
 * v0.8.5 update
   1. Change all id field to 64bit integer (unsigned long) to prevent overflow. #560
   2. Add WCCustomerItem for get customer by email endpoint.
diff --git a/Properties/PublishProfiles/FolderProfile.pubxml b/Properties/PublishProfiles/FolderProfile.pubxml
new file mode 100644
index 0000000..7d5583d
--- /dev/null
+++ b/Properties/PublishProfiles/FolderProfile.pubxml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+https://go.microsoft.com/fwlink/?LinkID=208121. 
+-->
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration>Release</Configuration>
+    <Platform>Any CPU</Platform>
+    <PublishDir>bin\Release\netstandard2.0\publish\</PublishDir>
+    <PublishProtocol>FileSystem</PublishProtocol>
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/Properties/PublishProfiles/FolderProfile.pubxml.user b/Properties/PublishProfiles/FolderProfile.pubxml.user
new file mode 100644
index 0000000..82d3356
--- /dev/null
+++ b/Properties/PublishProfiles/FolderProfile.pubxml.user
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+https://go.microsoft.com/fwlink/?LinkID=208121. 
+-->
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <History>True|2021-11-20T01:40:11.9243673Z;True|2021-03-17T21:17:35.0713079+13:00;</History>
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/Readme.md b/Readme.md
index 63a842a..673a3cf 100644
--- a/Readme.md
+++ b/Readme.md
@@ -14,6 +14,8 @@ WooCommerce.NET is a .NET library for calling WooCommerce/WordPress REST API wit
 
 If this project has been helpful for you and you want to support it, please consider [Buying me a coffee](https://www.buymeacoffee.com/YU0SqVyrR):coffee:
 
+**For priority paid support/consulting service, customized REST API implementation and plugins REST API implementation, please email to [James (me:sunglasses:)](mailto:xiaofaye@msn.com)**
+
 Usage (WooCommerce REST API)
 -------------------
 * [How to use JSON.NET in WooCommerce.NET](https://github.com/XiaoFaye/WooCommerce.NET/wiki/How-to-use-JSON.NET-in-WooCommerce.NET)
@@ -32,6 +34,9 @@ using WooCommerceNET.WooCommerce.v3.Extension;
 RestAPI rest = new RestAPI("http://www.yourstore.co.nz/wp-json/wc/v3/", "<WooCommerce Key>", "<WooCommerce Secret");
 WCObject wc = new WCObject(rest);
 
+//Use below code for WCObject only if you would like to have different CultureInfo
+WCObject wc = new WCObject(rest, CultureInfo.GetCultureInfo("de-DE"));
+
 //Get all products
 var products = await wc.Product.GetAll();
 
diff --git a/RestAPI.cs b/RestAPI.cs
index 9eea075..e1f8194 100644
--- a/RestAPI.cs
+++ b/RestAPI.cs
@@ -3,8 +3,6 @@
 using System.IO;
 using System.Linq;
 using System.Net;
-using System.Net.Http;
-using System.Net.Http.Headers;
 using System.Reflection;
 using System.Runtime.Serialization;
 using System.Runtime.Serialization.Json;
@@ -127,7 +125,6 @@ public RestAPI(string url, string key, string secret, bool authorizedHeader = tr
         }
 
 
-
         public bool IsLegacy
         {
             get
@@ -189,15 +186,7 @@ public virtual async Task<string> SendHttpClientRequest<T>(string endpoint, Requ
 
                 if (wc_url.StartsWith("https", StringComparison.OrdinalIgnoreCase) && Version != APIVersion.WordPressAPI && Version != APIVersion.WordPressAPIJWT)
                 {
-                    if (AuthorizedHeader == true)
-                    {
-                        httpWebRequest = (HttpWebRequest)WebRequest.Create(wc_url + GetOAuthEndPoint(method.ToString(), endpoint, parms));
-                        if (WCAuthWithJWT && JWT_Object != null)
-                            httpWebRequest.Headers["Authorization"] = "Bearer " + JWT_Object.token;
-                        else
-                            httpWebRequest.Headers["Authorization"] = "Basic " + Convert.ToBase64String(Encoding.GetEncoding("ISO-8859-1").GetBytes(wc_key + ":" + wc_secret));
-                    }
-                    else
+                    if (AuthorizedHeader == false)
                     {
                         if (parms == null)
                             parms = new Dictionary<string, string>();
@@ -206,8 +195,22 @@ public virtual async Task<string> SendHttpClientRequest<T>(string endpoint, Requ
                             parms.Add("consumer_key", wc_key);
                         if (!parms.ContainsKey("consumer_secret"))
                             parms.Add("consumer_secret", wc_secret);
+                    }
 
+                    //Allow accessing WordPress plugin REST API with WooCommerce secret and key.
+                    //Url should be passed to RestAPI as WooCommerce Rest API url, e.g.: https://mystore.com/wp-json/wc/v3
+                    //Endpoint should be starting with wp-json
+                    if (endpoint.StartsWith("wp-json"))
+                        httpWebRequest = (HttpWebRequest)WebRequest.Create(new Uri(new Uri($"https://{new Uri(wc_url).Host}"), GetOAuthEndPoint(method.ToString(), endpoint, parms)));
+                    else
                         httpWebRequest = (HttpWebRequest)WebRequest.Create(wc_url + GetOAuthEndPoint(method.ToString(), endpoint, parms));
+
+                    if (AuthorizedHeader == true)
+                    {
+                        if (WCAuthWithJWT && JWT_Object != null)
+                            httpWebRequest.Headers["Authorization"] = "Bearer " + JWT_Object.token;
+                        else
+                            httpWebRequest.Headers["Authorization"] = "Basic " + Convert.ToBase64String(Encoding.GetEncoding("ISO-8859-1").GetBytes(wc_key + ":" + wc_secret));
                     }
                 }
                 else
@@ -220,7 +223,7 @@ public virtual async Task<string> SendHttpClientRequest<T>(string endpoint, Requ
                 // start the stream immediately
                 httpWebRequest.Method = method.ToString();
                 httpWebRequest.AllowReadStreamBuffering = false;
-
+                
                 if (webRequestFilter != null)
                     webRequestFilter.Invoke(httpWebRequest);
 
@@ -298,27 +301,27 @@ public virtual async Task<string> SendHttpClientRequest<T>(string endpoint, Requ
 
         public async Task<string> GetRestful(string endpoint, Dictionary<string, string> parms = null)
         {
-            return await SendHttpClientRequest(endpoint, RequestMethod.GET, string.Empty, parms).ConfigureAwait(false);
+            return await SendHttpClientRequest(endpoint.ToLower(), RequestMethod.GET, string.Empty, parms).ConfigureAwait(false);
         }
 
         public async Task<string> PostRestful(string endpoint, object jsonObject, Dictionary<string, string> parms = null)
         {
-            return await SendHttpClientRequest(endpoint, RequestMethod.POST, jsonObject, parms).ConfigureAwait(false);
+            return await SendHttpClientRequest(endpoint.ToLower(), RequestMethod.POST, jsonObject, parms).ConfigureAwait(false);
         }
 
         public async Task<string> PutRestful(string endpoint, object jsonObject, Dictionary<string, string> parms = null)
         {
-            return await SendHttpClientRequest(endpoint, RequestMethod.PUT, jsonObject, parms).ConfigureAwait(false);
+            return await SendHttpClientRequest(endpoint.ToLower(), RequestMethod.PUT, jsonObject, parms).ConfigureAwait(false);
         }
 
         public async Task<string> DeleteRestful(string endpoint, Dictionary<string, string> parms = null)
         {
-            return await SendHttpClientRequest(endpoint, RequestMethod.DELETE, string.Empty, parms).ConfigureAwait(false);
+            return await SendHttpClientRequest(endpoint.ToLower(), RequestMethod.DELETE, string.Empty, parms).ConfigureAwait(false);
         }
 
         public async Task<string> DeleteRestful(string endpoint, object jsonObject, Dictionary<string, string> parms = null)
         {
-            return await SendHttpClientRequest(endpoint, RequestMethod.DELETE, jsonObject, parms).ConfigureAwait(false);
+            return await SendHttpClientRequest(endpoint.ToLower(), RequestMethod.DELETE, jsonObject, parms).ConfigureAwait(false);
         }
 
         protected string GetOAuthEndPoint(string method, string endpoint, Dictionary<string, string> parms = null)
diff --git a/WooCommerce.NET.csproj b/WooCommerce.NET.csproj
index 2c47e55..351758d 100644
--- a/WooCommerce.NET.csproj
+++ b/WooCommerce.NET.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <PackageId>WooCommerceNET</PackageId>
-    <Version>0.8.5</Version>
+    <Version>0.8.6</Version>
     <Authors>JamesYang@NZ</Authors>
     <Company>JamesYang@NZ</Company>
     <Description>A .NET Wrapper for WooCommerce/WordPress REST API</Description>
@@ -15,18 +15,19 @@
 GitHub: https://github.com/XiaoFaye/WooCommerce.NET
 Changes Doc: https://github.com/XiaoFaye/WooCommerce.NET/blob/master/Changes.md
 
-* v0.8.5 update
-  1. Change all id field to 64bit integer (unsigned long) to prevent overflow. #560
-  2. Add WCCustomerItem for get customer by email endpoint.
-  3. Escape all querystrings.</PackageReleaseNotes>
+* v0.8.6 update
+  1. Fix manage_stock property deserializing issue in Project object. #722
+  2. Add Culture object in WCObject constructor to resolve format issue. #731
+  3. Allow accessing WordPress plugin REST API with WooCommerce secret and key.</PackageReleaseNotes>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <AssemblyVersion>0.8.5.0</AssemblyVersion>
+    <AssemblyVersion>0.8.6.0</AssemblyVersion>
     <SignAssembly>false</SignAssembly>
     <AssemblyOriginatorKeyFile>sn.key.snk</AssemblyOriginatorKeyFile>
     <PackageLicenseFile>License.md</PackageLicenseFile>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
-    <FileVersion>0.8.5.0</FileVersion>
+    <FileVersion>0.8.6.0</FileVersion>
     <PackageTags>WooCommerce Wordpress Restful API</PackageTags>
+    <PackageReadmeFile>Readme.md</PackageReadmeFile>
   </PropertyGroup>
 
   <ItemGroup>
@@ -40,4 +41,11 @@ Changes Doc: https://github.com/XiaoFaye/WooCommerce.NET/blob/master/Changes.md
     </None>
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="Readme.md">
+      <Pack>True</Pack>
+      <PackagePath>\</PackagePath>
+    </None>
+  </ItemGroup>
+
 </Project>
diff --git a/WooCommerce/v1/Product.cs b/WooCommerce/v1/Product.cs
index fcc610b..45341a0 100644
--- a/WooCommerce/v1/Product.cs
+++ b/WooCommerce/v1/Product.cs
@@ -237,6 +237,8 @@ public class Product : JsonObject
         /// <summary>
         /// Stock management at product level. Default is false.
         /// When Manage stock is checked, string value "parent" will be given, otherwise, it will be bool value false.
+        /// The "parent" should appear in Variation object, however, when getting Products with variation SKU as parameter, 
+        /// variation object with "parent" value returned in product endpoints. That's why we have to set manage_stock type as object in Product object as well.
         /// </summary>
         [DataMember(EmitDefaultValue = false)]
         public object manage_stock { get; set; }
diff --git a/WooCommerce/v1/WCObject.cs b/WooCommerce/v1/WCObject.cs
index 36856e8..7976840 100644
--- a/WooCommerce/v1/WCObject.cs
+++ b/WooCommerce/v1/WCObject.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Threading.Tasks;
 using WooCommerceNET.Base;
 
@@ -28,11 +29,13 @@ public class WCObject<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T1
         where T10 : ShippingClass where T11 : ProductTag where T12 : TaxRate where T13 : TaxClass where T14 : Webhook
     {
         protected RestAPI API;
-        public WCObject(RestAPI api)
+        public WCObject(RestAPI api, CultureInfo culture = null)
         {
             if (api.Version != APIVersion.Version1)
                 throw new Exception("Please use WooCommerce Restful API Version 1 url for this WCObject. e.g.: http://www.yourstore.co.nz/wp-json/wc/v1/");
 
+            JsonObject.Culture = culture ?? CultureInfo.InvariantCulture;
+
             API = api;
         }
 
@@ -614,7 +617,7 @@ public async Task<WebhookDelivery> GetWebhookDelivery(int webhookid, int deliver
     public class WCObject : WCObject<Coupon, Customer, Order, OrderNote, OrderRefund, Product, ProductCategory,
                                     ProductAttribute, ProductAttributeTerm, ShippingClass, ProductTag, TaxRate, TaxClass, Webhook>
     {
-        public WCObject(RestAPI api) : base(api)
+        public WCObject(RestAPI api, CultureInfo culture = null) : base(api, culture)
         {
         }
     }
diff --git a/WooCommerce/v2/Product.cs b/WooCommerce/v2/Product.cs
index 6ee0598..6160fc9 100644
--- a/WooCommerce/v2/Product.cs
+++ b/WooCommerce/v2/Product.cs
@@ -252,9 +252,12 @@ public class Product : JsonObject
 
         /// <summary>
         /// Stock management at product level. Default is false.
+        /// When Manage stock is checked, string value "parent" will be given, otherwise, it will be bool value false.
+        /// The "parent" should appear in Variation object, however, when getting Products with variation SKU as parameter, 
+        /// variation object with "parent" value returned in product endpoints. That's why we have to set manage_stock type as object in Product object as well.
         /// </summary>
         [DataMember(EmitDefaultValue = false)]
-        public bool? manage_stock { get; set; }
+        public object manage_stock { get; set; }
 
         [DataMember(EmitDefaultValue = false, Name = "stock_quantity")]
         protected object stock_quantityValue { get; set; }
diff --git a/WooCommerce/v2/WCObject.cs b/WooCommerce/v2/WCObject.cs
index d3d37ec..ef7702f 100644
--- a/WooCommerce/v2/WCObject.cs
+++ b/WooCommerce/v2/WCObject.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Runtime.Serialization;
 using System.Threading.Tasks;
 using WooCommerceNET.Base;
@@ -16,11 +17,13 @@ public class WCObject<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T1
         protected RestAPI API { get; set; }
         public static Func<string, object, object> MetaValueProcessor { get; set; }
         public static Func<string, object, object> MetaDisplayValueProcessor { get; set; }
-        public WCObject(RestAPI api)
+        public WCObject(RestAPI api, CultureInfo culture = null)
         {
             if (api.Version != APIVersion.Version2)
                 throw new Exception("Please use WooCommerce Restful API Version 2 url for this WCObject. e.g.: http://www.yourstore.co.nz/wp-json/wc/v2/");
 
+            JsonObject.Culture = culture ?? CultureInfo.InvariantCulture;
+
             API = api;
 
             Coupon = new WCItem<T1>(api);
@@ -222,7 +225,7 @@ public WCShippingZoneItem(RestAPI api) : base(api)
     public class WCObject: WCObject<Coupon, Customer, Product, ProductReview, Variation, Order, OrderNote, OrderRefund, ProductAttribute, ProductAttributeTerm, 
                                     ProductCategory, ShippingClass, ProductTag, TaxRate, TaxClass>
     {
-        public WCObject(RestAPI api) : base(api)
+        public WCObject(RestAPI api, CultureInfo culture = null) : base(api, culture)
         {
         }
     }
diff --git a/WooCommerce/v3/Product.cs b/WooCommerce/v3/Product.cs
index 36dd510..642a6d4 100644
--- a/WooCommerce/v3/Product.cs
+++ b/WooCommerce/v3/Product.cs
@@ -252,9 +252,12 @@ public class Product : JsonObject
 
         /// <summary>
         /// Stock management at product level. Default is false.
+        /// When Manage stock is checked, string value "parent" will be given, otherwise, it will be bool value false.
+        /// The "parent" should appear in Variation object, however, when getting Products with variation SKU as parameter, 
+        /// variation object with "parent" value returned in product endpoints. That's why we have to set manage_stock type as object in Product object as well.
         /// </summary>
         [DataMember(EmitDefaultValue = false)]
-        public bool? manage_stock { get; set; }
+        public object manage_stock { get; set; }
 
         [DataMember(EmitDefaultValue = false, Name = "stock_quantity")]
         protected object stock_quantityValue { get; set; }
diff --git a/WooCommerce/v3/WCObject.cs b/WooCommerce/v3/WCObject.cs
index 0a918e8..88cf31a 100644
--- a/WooCommerce/v3/WCObject.cs
+++ b/WooCommerce/v3/WCObject.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
 using WooCommerceNET.Base;
@@ -38,11 +39,13 @@ public static Func<string, object, object> MetaDisplayValueProcessor
         }
 
 
-        public WCObject(RestAPI api)
+        public WCObject(RestAPI api, CultureInfo culture = null)
         {
             if (api.Version != APIVersion.Version3 && api.Version != APIVersion.ThirdPartyPlugins)
                 throw new Exception("Please use WooCommerce Restful API Version 3 url for this WCObject. e.g.: http://www.yourstore.co.nz/wp-json/wc/v3/");
 
+            JsonObject.Culture = culture ?? CultureInfo.InvariantCulture;
+
             API = api;
 
             Coupon = new WCItem<T1>(api);
@@ -193,7 +196,7 @@ public WCShippingZoneItem(RestAPI api) : base(api)
     public class WCObject: WCObject<Coupon, Customer, Product, ProductReview, Variation, Order, OrderNote, OrderRefund, ProductAttribute, ProductAttributeTerm, 
                                     ProductCategory, ShippingClass, ProductTag, TaxRate, TaxClass, Data>
     {
-        public WCObject(RestAPI api) : base(api)
+        public WCObject(RestAPI api, CultureInfo culture = null) : base(api, culture)
         {
         }
     }