diff --git a/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs b/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs
index a69e6abae..756ee90a1 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs
@@ -27,16 +27,10 @@ using ArchiSteamFarm.IPC.Requests;
 using ArchiSteamFarm.IPC.Responses;
 using ArchiSteamFarm.Localization;
 using Microsoft.AspNetCore.Mvc;
-using Swashbuckle.AspNetCore.Annotations;
 
 namespace ArchiSteamFarm.IPC.Controllers.Api {
-	[ApiController]
-	[Produces("application/json")]
 	[Route("Api/ASF")]
-	[SwaggerResponse(400, "The request has failed, check " + nameof(GenericResponse.Message) + " from response body for actual reason. Most of the time this is ASF, understanding the request, but refusing to execute it due to provided reason.", typeof(GenericResponse))]
-	[SwaggerResponse(401, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set, but you've failed to authenticate. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	[SwaggerResponse(403, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set and you've failed to authenticate too many times, try again in an hour. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	public sealed class ASFController : ControllerBase {
+	public sealed class ASFController : ArchiController {
 		/// <summary>
 		/// Fetches common info related to ASF as a whole.
 		/// </summary>
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/ArchiController.cs b/ArchiSteamFarm/IPC/Controllers/Api/ArchiController.cs
new file mode 100644
index 000000000..1174f233f
--- /dev/null
+++ b/ArchiSteamFarm/IPC/Controllers/Api/ArchiController.cs
@@ -0,0 +1,33 @@
+//     _                _      _  ____   _                           _____
+//    / \    _ __  ___ | |__  (_)/ ___| | |_  ___   __ _  _ __ ___  |  ___|__ _  _ __  _ __ ___
+//   / _ \  | '__|/ __|| '_ \ | |\___ \ | __|/ _ \ / _` || '_ ` _ \ | |_  / _` || '__|| '_ ` _ \
+//  / ___ \ | |  | (__ | | | || | ___) || |_|  __/| (_| || | | | | ||  _|| (_| || |   | | | | | |
+// /_/   \_\|_|   \___||_| |_||_||____/  \__|\___| \__,_||_| |_| |_||_|   \__,_||_|   |_| |_| |_|
+// 
+// Copyright 2015-2018 Łukasz "JustArchi" Domeradzki
+// Contact: JustArchi@JustArchi.net
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+using ArchiSteamFarm.IPC.Responses;
+using Microsoft.AspNetCore.Mvc;
+using Swashbuckle.AspNetCore.Annotations;
+
+namespace ArchiSteamFarm.IPC.Controllers.Api {
+	[ApiController]
+	[Produces("application/json")]
+	[SwaggerResponse(400, "The request has failed, check " + nameof(GenericResponse.Message) + " from response body for actual reason. Most of the time this is ASF, understanding the request, but refusing to execute it due to provided reason.", typeof(GenericResponse))]
+	[SwaggerResponse(401, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set, but you've failed to authenticate. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
+	[SwaggerResponse(403, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set and you've failed to authenticate too many times, try again in an hour. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
+	public abstract class ArchiController : ControllerBase { }
+}
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/BotController.cs b/ArchiSteamFarm/IPC/Controllers/Api/BotController.cs
index bae64217c..abf9d0b5a 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/BotController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/BotController.cs
@@ -29,16 +29,10 @@ using ArchiSteamFarm.IPC.Requests;
 using ArchiSteamFarm.IPC.Responses;
 using ArchiSteamFarm.Localization;
 using Microsoft.AspNetCore.Mvc;
-using Swashbuckle.AspNetCore.Annotations;
 
 namespace ArchiSteamFarm.IPC.Controllers.Api {
-	[ApiController]
-	[Produces("application/json")]
 	[Route("Api/Bot")]
-	[SwaggerResponse(400, "The request has failed, check " + nameof(GenericResponse.Message) + " from response body for actual reason. Most of the time this is ASF, understanding the request, but refusing to execute it due to provided reason.", typeof(GenericResponse))]
-	[SwaggerResponse(401, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set, but you've failed to authenticate. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	[SwaggerResponse(403, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set and you've failed to authenticate too many times, try again in an hour. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	public sealed class BotController : ControllerBase {
+	public sealed class BotController : ArchiController {
 		/// <summary>
 		/// Deletes all files related to given bots.
 		/// </summary>
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/CommandController.cs b/ArchiSteamFarm/IPC/Controllers/Api/CommandController.cs
index 400db3176..d2bd32843 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/CommandController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/CommandController.cs
@@ -25,16 +25,10 @@ using System.Threading.Tasks;
 using ArchiSteamFarm.IPC.Responses;
 using ArchiSteamFarm.Localization;
 using Microsoft.AspNetCore.Mvc;
-using Swashbuckle.AspNetCore.Annotations;
 
 namespace ArchiSteamFarm.IPC.Controllers.Api {
-	[ApiController]
-	[Produces("application/json")]
 	[Route("Api/Command")]
-	[SwaggerResponse(400, "The request has failed, check " + nameof(GenericResponse.Message) + " from response body for actual reason. Most of the time this is ASF, understanding the request, but refusing to execute it due to provided reason.", typeof(GenericResponse))]
-	[SwaggerResponse(401, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set, but you've failed to authenticate. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	[SwaggerResponse(403, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set and you've failed to authenticate too many times, try again in an hour. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	public sealed class CommandController : ControllerBase {
+	public sealed class CommandController : ArchiController {
 		/// <summary>
 		/// Executes a command.
 		/// </summary>
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/NLogController.cs b/ArchiSteamFarm/IPC/Controllers/Api/NLogController.cs
index 388aea0ae..84bf20803 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/NLogController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/NLogController.cs
@@ -31,16 +31,10 @@ using ArchiSteamFarm.Localization;
 using ArchiSteamFarm.NLog;
 using Microsoft.AspNetCore.Mvc;
 using Newtonsoft.Json;
-using Swashbuckle.AspNetCore.Annotations;
 
 namespace ArchiSteamFarm.IPC.Controllers.Api {
-	[ApiController]
-	[Produces("application/json")]
 	[Route("Api/NLog")]
-	[SwaggerResponse(400, "The request has failed, check " + nameof(GenericResponse.Message) + " from response body for actual reason. Most of the time this is ASF, understanding the request, but refusing to execute it due to provided reason.", typeof(GenericResponse))]
-	[SwaggerResponse(401, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set, but you've failed to authenticate. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	[SwaggerResponse(403, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set and you've failed to authenticate too many times, try again in an hour. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	public sealed class NLogController : ControllerBase {
+	public sealed class NLogController : ArchiController {
 		private static readonly ConcurrentDictionary<WebSocket, SemaphoreSlim> ActiveLogWebSockets = new ConcurrentDictionary<WebSocket, SemaphoreSlim>();
 
 		/// <summary>
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/StructureController.cs b/ArchiSteamFarm/IPC/Controllers/Api/StructureController.cs
index b5b485d68..d8b42d0ea 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/StructureController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/StructureController.cs
@@ -23,16 +23,10 @@ using System;
 using ArchiSteamFarm.IPC.Responses;
 using ArchiSteamFarm.Localization;
 using Microsoft.AspNetCore.Mvc;
-using Swashbuckle.AspNetCore.Annotations;
 
 namespace ArchiSteamFarm.IPC.Controllers.Api {
-	[ApiController]
-	[Produces("application/json")]
 	[Route("Api/Structure")]
-	[SwaggerResponse(400, "The request has failed, check " + nameof(GenericResponse.Message) + " from response body for actual reason. Most of the time this is ASF, understanding the request, but refusing to execute it due to provided reason.", typeof(GenericResponse))]
-	[SwaggerResponse(401, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set, but you've failed to authenticate. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	[SwaggerResponse(403, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set and you've failed to authenticate too many times, try again in an hour. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	public sealed class StructureController : ControllerBase {
+	public sealed class StructureController : ArchiController {
 		/// <summary>
 		/// Fetches structure of given type.
 		/// </summary>
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/TypeController.cs b/ArchiSteamFarm/IPC/Controllers/Api/TypeController.cs
index 65ac8fb06..ad0063a3b 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/TypeController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/TypeController.cs
@@ -27,16 +27,10 @@ using ArchiSteamFarm.IPC.Responses;
 using ArchiSteamFarm.Localization;
 using Microsoft.AspNetCore.Mvc;
 using Newtonsoft.Json;
-using Swashbuckle.AspNetCore.Annotations;
 
 namespace ArchiSteamFarm.IPC.Controllers.Api {
-	[ApiController]
-	[Produces("application/json")]
 	[Route("Api/Type")]
-	[SwaggerResponse(400, "The request has failed, check " + nameof(GenericResponse.Message) + " from response body for actual reason. Most of the time this is ASF, understanding the request, but refusing to execute it due to provided reason.", typeof(GenericResponse))]
-	[SwaggerResponse(401, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set, but you've failed to authenticate. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	[SwaggerResponse(403, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set and you've failed to authenticate too many times, try again in an hour. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	public sealed class TypeController : ControllerBase {
+	public sealed class TypeController : ArchiController {
 		/// <summary>
 		/// Fetches type info of given type.
 		/// </summary>
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/WWWController.cs b/ArchiSteamFarm/IPC/Controllers/Api/WWWController.cs
index 259029713..0a569b223 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/WWWController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/WWWController.cs
@@ -28,16 +28,10 @@ using ArchiSteamFarm.IPC.Requests;
 using ArchiSteamFarm.IPC.Responses;
 using ArchiSteamFarm.Localization;
 using Microsoft.AspNetCore.Mvc;
-using Swashbuckle.AspNetCore.Annotations;
 
 namespace ArchiSteamFarm.IPC.Controllers.Api {
-	[ApiController]
-	[Produces("application/json")]
 	[Route("Api/WWW")]
-	[SwaggerResponse(400, "The request has failed, check " + nameof(GenericResponse.Message) + " from response body for actual reason. Most of the time this is ASF, understanding the request, but refusing to execute it due to provided reason.", typeof(GenericResponse))]
-	[SwaggerResponse(401, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set, but you've failed to authenticate. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	[SwaggerResponse(403, "ASF has " + nameof(GlobalConfig.IPCPassword) + " set and you've failed to authenticate too many times, try again in an hour. See " + "https://github.com/" + SharedInfo.GithubRepo + "/wiki/IPC#authentication.")]
-	public sealed class WWWController : ControllerBase {
+	public sealed class WWWController : ArchiController {
 		/// <summary>
 		/// Fetches files in given directory relative to WWW root.
 		/// </summary>