diff --git a/Pilz.Net/Api/ApiClient.cs b/Pilz.Net/Api/ApiClient.cs
index fe3626c..a1e6e8c 100644
--- a/Pilz.Net/Api/ApiClient.cs
+++ b/Pilz.Net/Api/ApiClient.cs
@@ -1,4 +1,7 @@
 using Castle.Core.Logging;
+using Pilz.Extensions.Collections;
+using System.Text.Encodings.Web;
+using System.Web;
 
 namespace Pilz.Net.Api;
 
@@ -14,64 +17,24 @@ public class ApiClient(string apiUrl) : IApiClient
 
     public ILogger Log { get; set; } = NullLogger.Instance;
 
-    public virtual Task<ApiResponse> SendRequest(string route)
-    {
-        return SendRequest(route, HttpMethod.Post);
-    }
-
-    public virtual Task<ApiResponse> SendRequest(string route, HttpMethod method)
-    {
-        return SendRequest(route, method, null);
-    }
-
-    public virtual Task<ApiResponse> SendRequest(string route, ApiMessage? message)
-    {
-        return SendRequest(route, HttpMethod.Post, message);
-    }
-
-    public virtual Task<ApiResponse> SendRequest(string route, HttpMethod method, ApiMessage? message)
-    {
-        return SendRequest(route, method, message, null);
-    }
-
-    public virtual async Task<ApiResponse> SendRequest(string route, HttpMethod method, ApiMessage? message, IApiMessageSerializer? serializer)
+    public virtual async Task<ApiResponse> SendRequest(string route, HttpMethod method, ApiMessage? message, IDictionary<string, object>? @params, IApiMessageSerializer? serializer)
     {
         serializer ??= Serializer;
 
         Log.InfoFormat("Send message to {0}", route);
 
-        var res = await Send(route, method, message, serializer);
+        var res = await Send(route, method, message, @params, serializer);
 
         return new(res.StatusCode);
     }
 
-    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route) where TResponse : ApiMessage
-    {
-        return SendRequest<TResponse>(route, HttpMethod.Post);
-    }
-
-    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method) where TResponse : ApiMessage
-    {
-        return SendRequest<TResponse>(route, method, null);
-    }
-
-    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, ApiMessage? message) where TResponse : ApiMessage
-    {
-        return SendRequest<TResponse>(route, HttpMethod.Post, message);
-    }
-
-    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method, ApiMessage? message) where TResponse : ApiMessage
-    {
-        return SendRequest<TResponse>(route, method, message, null);
-    }
-
-    public virtual async Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method, ApiMessage? message, IApiMessageSerializer? serializer) where TResponse : ApiMessage
+    public virtual async Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method, ApiMessage? message, IDictionary<string, object>? @params, IApiMessageSerializer? serializer) where TResponse : ApiMessage
     {
         serializer ??= Serializer;
 
         Log.InfoFormat("Send request to {0}", route);
         
-        var res = await Send(route, method, message, serializer);
+        var res = await Send(route, method, message, @params, serializer);
         TResponse? result = null;
 
         if (res.IsSuccessStatusCode)
@@ -80,9 +43,9 @@ public class ApiClient(string apiUrl) : IApiClient
         return new(res.StatusCode, result);
     }
 
-    protected virtual async Task<HttpResponseMessage> Send(string route, HttpMethod method, ApiMessage? message, IApiMessageSerializer serializer)
+    protected virtual async Task<HttpResponseMessage> Send(string route, HttpMethod method, ApiMessage? message, IDictionary<string, object>? @params, IApiMessageSerializer serializer)
     {
-        var url = ApiUrl + route;
+        var url = ApiUrl + route + BuildParameters(@params);
         HttpContent content;
 
         Log.DebugFormat("Api endpoint url is {0}", url);
@@ -108,6 +71,24 @@ public class ApiClient(string apiUrl) : IApiClient
         return await httpClient.SendAsync(httpmsg);
     }
 
+    protected virtual string BuildParameters(IDictionary<string, object>? @params)
+    {
+        if (@params == null || @params.Count == 0)
+            return string.Empty;
+
+        return "?" + string.Join("&", @params.Select(kvp =>
+        {
+            var key = kvp.Key;
+            var value = HttpUtility.UrlEncode(ConvertParameter(kvp.Value));
+            return $"{key}={value}";
+        }));
+    }
+
+    protected virtual string ConvertParameter(object @param)
+    {
+        return (string)Convert.ChangeType(@param, typeof(string));
+    }
+
     protected virtual string? EncodeAuthKey()
     {
         return AuthKey;
diff --git a/Pilz.Net/Api/IApiClient.cs b/Pilz.Net/Api/IApiClient.cs
index e7173df..47f208c 100644
--- a/Pilz.Net/Api/IApiClient.cs
+++ b/Pilz.Net/Api/IApiClient.cs
@@ -12,23 +12,67 @@ public interface IApiClient
 
     ILogger Log { get; set; }
 
-    Task<ApiResponse> SendRequest(string route);
+    Task<ApiResponse> SendRequest(string route, HttpMethod method, ApiMessage? message, IDictionary<string, object>? @params, IApiMessageSerializer? serializer);
 
-    Task<ApiResponse> SendRequest(string route, HttpMethod method);
+    Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method, ApiMessage? message, IDictionary<string, object>? @params, IApiMessageSerializer? serializer) where TResponse : ApiMessage;
 
-    Task<ApiResponse> SendRequest(string route, ApiMessage? message);
+    public virtual Task<ApiResponse> SendRequest(string route)
+    {
+        return SendRequest(route, HttpMethod.Post, null, null, null);
+    }
 
-    Task<ApiResponse> SendRequest(string route, HttpMethod method, ApiMessage? message);
+    public virtual Task<ApiResponse> SendRequest(string route, HttpMethod method)
+    {
+        return SendRequest(route, method, null, null, null);
+    }
 
-    Task<ApiResponse> SendRequest(string route, HttpMethod method, ApiMessage? message, IApiMessageSerializer? serializer);
+    public virtual Task<ApiResponse> SendRequest(string route, HttpMethod method, IDictionary<string, object>? @params)
+    {
+        return SendRequest(route, method, null, @params, null);
+    }
 
-    Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route) where TResponse : ApiMessage;
+    public virtual Task<ApiResponse> SendRequest(string route, ApiMessage? message)
+    {
+        return SendRequest(route, HttpMethod.Post, message, null, null);
+    }
 
-    Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method) where TResponse : ApiMessage;
+    public virtual Task<ApiResponse> SendRequest(string route, HttpMethod method, ApiMessage? message)
+    {
+        return SendRequest(route, method, message, null, null);
+    }
 
-    Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, ApiMessage? message) where TResponse : ApiMessage;
+    public virtual Task<ApiResponse> SendRequest(string route, HttpMethod method, ApiMessage? message, IDictionary<string, object>? @params)
+    {
+        return SendRequest(route, method, message, @params, null);
+    }
 
-    Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method, ApiMessage? message) where TResponse : ApiMessage;
+    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route) where TResponse : ApiMessage
+    {
+        return SendRequest<TResponse>(route, HttpMethod.Post, null, null, null);
+    }
 
-    Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method, ApiMessage? message, IApiMessageSerializer? serializer) where TResponse : ApiMessage;
+    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method) where TResponse : ApiMessage
+    {
+        return SendRequest<TResponse>(route, method, null, null, null);
+    }
+
+    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method, IDictionary<string, object>? @params) where TResponse : ApiMessage
+    {
+        return SendRequest<TResponse>(route, method, null, @params, null);
+    }
+
+    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, ApiMessage? message) where TResponse : ApiMessage
+    {
+        return SendRequest<TResponse>(route, HttpMethod.Post, message, null, null);
+    }
+
+    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method, ApiMessage? message) where TResponse : ApiMessage
+    {
+        return SendRequest<TResponse>(route, method, message, null, null);
+    }
+
+    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, HttpMethod method, ApiMessage? message, IDictionary<string, object>? @params) where TResponse : ApiMessage
+    {
+        return SendRequest<TResponse>(route, method, message, @params, null);
+    }
 }