diff --git a/src/Regula.DocumentReader.NetCoreExample/Program.cs b/src/Regula.DocumentReader.NetCoreExample/Program.cs
index f534b1d..83a0986 100644
--- a/src/Regula.DocumentReader.NetCoreExample/Program.cs
+++ b/src/Regula.DocumentReader.NetCoreExample/Program.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Text;
+using System.Threading.Tasks;
 using Regula.DocumentReader.WebClient.Api;
 using Regula.DocumentReader.WebClient.Client;
 using Regula.DocumentReader.WebClient.Model;
@@ -13,7 +14,7 @@ internal static class Program
 	{
 		private const string API_BASE_PATH = "API_BASE_PATH";
 
-		public static void Main()
+		public static async Task Main()
 		{
 			var apiBaseUrl = Environment.GetEnvironmentVariable(API_BASE_PATH) ?? "https://api.regulaforensics.com";
 
@@ -53,7 +54,7 @@ public static void Main()
 			};
 			var api = new DocumentReaderApi(configuration);
 
-			var response = api.Process(request);
+			var response = await api.ProcessAsync(request);
 
             Console.WriteLine(response.Log());
 
diff --git a/src/Regula.DocumentReader.WebClient/Api/DocumentReaderApi.cs b/src/Regula.DocumentReader.WebClient/Api/DocumentReaderApi.cs
index f7a3482..afd57cd 100644
--- a/src/Regula.DocumentReader.WebClient/Api/DocumentReaderApi.cs
+++ b/src/Regula.DocumentReader.WebClient/Api/DocumentReaderApi.cs
@@ -39,45 +39,31 @@ public IReadableConfiguration Configuration
 
         public RecognitionResponse Process(ProcessRequest processRequest)
         {
-            return Process(processRequest, new Dictionary<String, String>(), default(string));
+            return Process(processRequest, default(string));
         }
-
-        public RecognitionResponse Process(ProcessRequest processRequest, Dictionary<String, String> headers)
-        {
-            return Process(processRequest, headers, default(string));
-        }
-
-        public RecognitionResponse Process(ProcessRequest processRequest, String xRequestID)
-        {
-            return Process(processRequest, new Dictionary<String, String>(), xRequestID);
-        }
-
-        public RecognitionResponse Process(ProcessRequest processRequest, Dictionary<String, String> headers, String xRequestID) 
+        public RecognitionResponse Process(ProcessRequest processRequest, String xRequestID) 
         {
             if (processRequest.SystemInfo == null)
                 processRequest.SystemInfo = new ProcessSystemInfo(License);
             else
                 processRequest.SystemInfo.License = License;
 
-            return new RecognitionResponse(this._processApi.ApiProcessWithHttpInfo(processRequest, xRequestID));
-        }
+            var response = this._processApi.ApiProcessWithHttpInfo(processRequest, xRequestID);
 
-        public async Task<RecognitionResponse> ProcessAsync(ProcessRequest processRequest)
-        {
-            return await ProcessAsync(processRequest, new Dictionary<String, String>(), default(string));
+            return new RecognitionResponse(response);
         }
 
-        public async Task<RecognitionResponse> ProcessAsync(ProcessRequest processRequest, Dictionary<String, String> headers)
+        public async Task<RecognitionResponse> ProcessAsync(ProcessRequest processRequest)
         {
-            return await ProcessAsync(processRequest, headers, default(string));
+            return await ProcessAsync(processRequest, default(string));
         }
 
         public async Task<RecognitionResponse> ProcessAsync(ProcessRequest processRequest, String xRequestID)
         {
-            return await ProcessAsync(processRequest, new Dictionary<String, String>(), xRequestID);
+            return await ProcessAsync(processRequest, xRequestID, new CancellationToken());
         }
 
-        public async Task<RecognitionResponse> ProcessAsync(ProcessRequest processRequest, Dictionary<String, String> headers, String xRequestID, CancellationToken cancellationToken = default(CancellationToken))
+        public async Task<RecognitionResponse> ProcessAsync(ProcessRequest processRequest, String xRequestID, CancellationToken cancellationToken = default(CancellationToken))
         {
             if (processRequest.SystemInfo == null)
                 processRequest.SystemInfo = new ProcessSystemInfo(License);