diff --git a/IdentityServer.Wrapper/IdentityServer.Wrapper.csproj b/IdentityServer.Wrapper/IdentityServer.Wrapper.csproj
index a69da54..d8adc1a 100644
--- a/IdentityServer.Wrapper/IdentityServer.Wrapper.csproj
+++ b/IdentityServer.Wrapper/IdentityServer.Wrapper.csproj
@@ -8,7 +8,7 @@
     <PackageReference Include="IdentityServer.PublishedLanguage" Version="1.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="3.1.3" />
     <PackageReference Include="Microsoft.Extensions.Http" Version="3.1.3" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="NDB.Extensions.Http" Version="1.0.0" />
   </ItemGroup>
 
 </Project>
diff --git a/IdentityServer.Wrapper/Services/IdentityService.cs b/IdentityServer.Wrapper/Services/IdentityService.cs
index 88fbc9b..c118797 100644
--- a/IdentityServer.Wrapper/Services/IdentityService.cs
+++ b/IdentityServer.Wrapper/Services/IdentityService.cs
@@ -1,11 +1,10 @@
 using IdentityServer.PublishedLanguage.Dto;
 using IdentityServer.Wrapper.Constants;
 using IdentityServer.Wrapper.Models;
-using Newtonsoft.Json;
+using NDB.Extensions.Http;
 using System;
 using System.Net.Http;
 using System.Net.Http.Headers;
-using System.Text;
 using System.Threading.Tasks;
 
 namespace IdentityServer.Wrapper.Services
@@ -26,55 +25,15 @@ namespace IdentityServer.Wrapper.Services
         public async Task<Token> Authenticate(string userName, string password)
         {
             var route = string.Format(ApiRoutes.Authentication, userName, password);
-            var result = await ExecutePostRequest<Token>(route);
+            var result = await _httpClient.ExecutePostRequest<Token>(route);
             return result;
         }
 
         public async Task<User> Authorize(string token)
         {
             var route = string.Format(ApiRoutes.Authorization, token);
-            var result = await ExecutePostRequest<User>(route);
+            var result = await _httpClient.ExecutePostRequest<User>(route);
             return result;
         }
-
-        #region Private methods
-        private async Task<T> ExecuteGetRequest<T>(string route) where T : class
-        {
-            using (var response = await _httpClient.GetAsync(route))
-            {
-                if (!response.IsSuccessStatusCode)
-                    throw new Exception($"Error: StatusCode: {response.StatusCode}; Reason: {response.ReasonPhrase}");
-
-                var result = JsonConvert.DeserializeObject<T>(await response.Content.ReadAsStringAsync());
-                return result;
-            }
-        }
-
-        private async Task<R> ExecutePostRequest<R>(string route) where R : class
-        {
-            HttpContent content = new StringContent(JsonConvert.SerializeObject(string.Empty), Encoding.UTF8, _contentType);
-            using (var response = await _httpClient.PostAsync(route, content))
-            {
-                if (!response.IsSuccessStatusCode)
-                    throw new Exception($"Error: StatusCode: {response.StatusCode}; Reason: {response.ReasonPhrase}");
-
-                var result = JsonConvert.DeserializeObject<R>(await response.Content.ReadAsStringAsync());
-                return result;
-            }
-        }
-
-        private async Task<R> ExecutePostRequest<R, B>(string route, B body) where R : class where B : class
-        {
-            HttpContent content = new StringContent(JsonConvert.SerializeObject(body), Encoding.UTF8, _contentType);
-            using (var response = await _httpClient.PostAsync(route, content))
-            {
-                if (!response.IsSuccessStatusCode)
-                    throw new Exception($"Error: StatusCode: {response.StatusCode}; Reason: {response.ReasonPhrase}");
-
-                var result = JsonConvert.DeserializeObject<R>(await response.Content.ReadAsStringAsync());
-                return result;
-            }
-        }
-        #endregion
     }
 }