diff --git a/ArchiSteamFarm/ArchiSteamFarm.csproj b/ArchiSteamFarm/ArchiSteamFarm.csproj
index 77470f06a..1d4275f03 100644
--- a/ArchiSteamFarm/ArchiSteamFarm.csproj
+++ b/ArchiSteamFarm/ArchiSteamFarm.csproj
@@ -56,6 +56,7 @@
     <PackageReference Include="NLog.Web.AspNetCore" Version="4.7.0" />
     <PackageReference Include="protobuf-net" Version="3.0.0-alpha.3" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="3.0.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="3.0.0" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.1'">
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs b/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs
index a1fe2c457..0ef09f52d 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs
@@ -27,16 +27,21 @@ 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 {
 		/// <summary>
 		/// Fetches common info related to ASF as a whole.
 		/// </summary>
 		[HttpGet]
+		[SwaggerResponse(200, type: typeof(GenericResponse<ASFResponse>))]
 		public ActionResult<GenericResponse<ASFResponse>> ASFGet() {
 			uint memoryUsage = (uint) GC.GetTotalMemory(false) / 1024;
 
@@ -53,7 +58,9 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// <summary>
 		/// Updates ASF's global config.
 		/// </summary>
+		[Consumes("application/json")]
 		[HttpPost]
+		[SwaggerResponse(200, type: typeof(GenericResponse))]
 		public async Task<ActionResult<GenericResponse>> ASFPost([FromBody] ASFRequest request) {
 			if (request == null) {
 				ASF.ArchiLogger.LogNullError(nameof(request));
@@ -81,6 +88,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// Makes ASF shutdown itself.
 		/// </summary>
 		[HttpPost("Exit")]
+		[SwaggerResponse(200, type: typeof(GenericResponse))]
 		public ActionResult<GenericResponse> ExitPost() {
 			(bool success, string output) = Actions.Exit();
 			return Ok(new GenericResponse(success, output));
@@ -90,6 +98,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// Makes ASF restart itself.
 		/// </summary>
 		[HttpPost("Restart")]
+		[SwaggerResponse(200, type: typeof(GenericResponse))]
 		public ActionResult<GenericResponse> RestartPost() {
 			(bool success, string output) = Actions.Restart();
 			return Ok(new GenericResponse(success, output));
@@ -99,6 +108,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// Makes ASF update itself.
 		/// </summary>
 		[HttpPost("Update")]
+		[SwaggerResponse(200, type: typeof(GenericResponse<Version>))]
 		public async Task<ActionResult<GenericResponse<Version>>> UpdatePost() {
 			(bool success, Version version) = await Actions.Update().ConfigureAwait(false);
 			return Ok(new GenericResponse<Version>(success, version));
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/BotController.cs b/ArchiSteamFarm/IPC/Controllers/Api/BotController.cs
index 7c750bbb5..825717cc6 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/BotController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/BotController.cs
@@ -29,16 +29,21 @@ 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 {
 		/// <summary>
 		/// Deletes all files related to given bots.
 		/// </summary>
 		[HttpDelete("{botNames:required}")]
+		[SwaggerResponse(200, type: typeof(GenericResponse))]
 		public async Task<ActionResult<GenericResponse>> BotDelete(string botNames) {
 			if (string.IsNullOrEmpty(botNames)) {
 				ASF.ArchiLogger.LogNullError(nameof(botNames));
@@ -58,24 +63,27 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// Fetches common info related to given bots.
 		/// </summary>
 		[HttpGet("{botNames:required}")]
-		public ActionResult<GenericResponse<HashSet<Bot>>> BotGet(string botNames) {
+		[SwaggerResponse(200, type: typeof(GenericResponse<IDictionary<string, Bot>>))]
+		public ActionResult<GenericResponse<IDictionary<string, Bot>>> BotGet(string botNames) {
 			if (string.IsNullOrEmpty(botNames)) {
 				ASF.ArchiLogger.LogNullError(nameof(botNames));
-				return BadRequest(new GenericResponse<HashSet<Bot>>(false, string.Format(Strings.ErrorIsEmpty, nameof(botNames))));
+				return BadRequest(new GenericResponse<IDictionary<string, Bot>>(false, string.Format(Strings.ErrorIsEmpty, nameof(botNames))));
 			}
 
 			HashSet<Bot> bots = Bot.GetBots(botNames);
 			if (bots == null) {
-				return BadRequest(new GenericResponse<HashSet<Bot>>(false, string.Format(Strings.ErrorIsInvalid, nameof(bots))));
+				return BadRequest(new GenericResponse<IDictionary<string, Bot>>(false, string.Format(Strings.ErrorIsInvalid, nameof(bots))));
 			}
 
-			return Ok(new GenericResponse<HashSet<Bot>>(bots));
+			return Ok(new GenericResponse<IDictionary<string, Bot>>(bots.ToDictionary(bot => bot.BotName, bot => bot)));
 		}
 
 		/// <summary>
 		/// Updates bot config of given bot.
 		/// </summary>
+		[Consumes("application/json")]
 		[HttpPost("{botName:required}")]
+		[SwaggerResponse(200, type: typeof(GenericResponse))]
 		public async Task<ActionResult<GenericResponse>> BotPost(string botName, [FromBody] BotRequest request) {
 			if (string.IsNullOrEmpty(botName) || (request == null)) {
 				ASF.ArchiLogger.LogNullError(nameof(botName) + " || " + nameof(request));
@@ -113,6 +121,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// Removes BGR output files of given bots.
 		/// </summary>
 		[HttpDelete("{botNames:required}/GamesToRedeemInBackground")]
+		[SwaggerResponse(200, type: typeof(GenericResponse))]
 		public async Task<ActionResult<GenericResponse>> GamesToRedeemInBackgroundDelete(string botNames) {
 			if (string.IsNullOrEmpty(botNames)) {
 				ASF.ArchiLogger.LogNullError(nameof(botNames));
@@ -132,15 +141,16 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// Fetches BGR output files of given bots.
 		/// </summary>
 		[HttpGet("{botNames:required}/GamesToRedeemInBackground")]
-		public async Task<ActionResult<GenericResponse<Dictionary<string, GamesToRedeemInBackgroundResponse>>>> GamesToRedeemInBackgroundGet(string botNames) {
+		[SwaggerResponse(200, type: typeof(GenericResponse<IReadOnlyDictionary<string, GamesToRedeemInBackgroundResponse>>))]
+		public async Task<ActionResult<GenericResponse<IReadOnlyDictionary<string, GamesToRedeemInBackgroundResponse>>>> GamesToRedeemInBackgroundGet(string botNames) {
 			if (string.IsNullOrEmpty(botNames)) {
 				ASF.ArchiLogger.LogNullError(nameof(botNames));
-				return BadRequest(new GenericResponse<Dictionary<string, GamesToRedeemInBackgroundResponse>>(false, string.Format(Strings.ErrorIsEmpty, nameof(botNames))));
+				return BadRequest(new GenericResponse<IReadOnlyDictionary<string, GamesToRedeemInBackgroundResponse>>(false, string.Format(Strings.ErrorIsEmpty, nameof(botNames))));
 			}
 
 			HashSet<Bot> bots = Bot.GetBots(botNames);
 			if ((bots == null) || (bots.Count == 0)) {
-				return BadRequest(new GenericResponse<Dictionary<string, GamesToRedeemInBackgroundResponse>>(false, string.Format(Strings.BotNotFound, botNames)));
+				return BadRequest(new GenericResponse<IReadOnlyDictionary<string, GamesToRedeemInBackgroundResponse>>(false, string.Format(Strings.BotNotFound, botNames)));
 			}
 
 			IList<(Dictionary<string, string> UnusedKeys, Dictionary<string, string> UsedKeys)> results = await Utilities.InParallel(bots.Select(bot => bot.GetUsedAndUnusedKeys())).ConfigureAwait(false);
@@ -152,13 +162,15 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 				result[bot.BotName] = new GamesToRedeemInBackgroundResponse(unusedKeys, usedKeys);
 			}
 
-			return Ok(new GenericResponse<Dictionary<string, GamesToRedeemInBackgroundResponse>>(result));
+			return Ok(new GenericResponse<IReadOnlyDictionary<string, GamesToRedeemInBackgroundResponse>>(result));
 		}
 
 		/// <summary>
 		/// Adds keys to redeem using BGR to given bot.
 		/// </summary>
+		[Consumes("application/json")]
 		[HttpPost("{botName:required}/GamesToRedeemInBackground")]
+		[SwaggerResponse(200, type: typeof(GenericResponse<OrderedDictionary>))]
 		public async Task<ActionResult<GenericResponse<OrderedDictionary>>> GamesToRedeemInBackgroundPost(string botName, [FromBody] GamesToRedeemInBackgroundRequest request) {
 			if (string.IsNullOrEmpty(botName) || (request == null)) {
 				ASF.ArchiLogger.LogNullError(nameof(botName) + " || " + nameof(request));
@@ -180,7 +192,9 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// <summary>
 		/// Pauses given bots.
 		/// </summary>
+		[Consumes("application/json")]
 		[HttpPost("{botNames:required}/Pause")]
+		[SwaggerResponse(200, type: typeof(GenericResponse))]
 		public async Task<ActionResult<GenericResponse>> PausePost(string botNames, [FromBody] BotPauseRequest request) {
 			if (string.IsNullOrEmpty(botNames) || (request == null)) {
 				ASF.ArchiLogger.LogNullError(nameof(botNames) + " || " + nameof(request));
@@ -200,6 +214,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// Resumes given bots.
 		/// </summary>
 		[HttpPost("{botNames:required}/Resume")]
+		[SwaggerResponse(200, type: typeof(GenericResponse))]
 		public async Task<ActionResult<GenericResponse>> ResumePost(string botNames) {
 			if (string.IsNullOrEmpty(botNames)) {
 				ASF.ArchiLogger.LogNullError(nameof(botNames));
@@ -219,6 +234,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// Starts given bots.
 		/// </summary>
 		[HttpPost("{botNames:required}/Start")]
+		[SwaggerResponse(200, type: typeof(GenericResponse))]
 		public async Task<ActionResult<GenericResponse>> StartPost(string botNames) {
 			if (string.IsNullOrEmpty(botNames)) {
 				ASF.ArchiLogger.LogNullError(nameof(botNames));
@@ -238,6 +254,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// Stops given bots.
 		/// </summary>
 		[HttpPost("{botNames:required}/Stop")]
+		[SwaggerResponse(200, type: typeof(GenericResponse))]
 		public async Task<ActionResult<GenericResponse>> StopPost(string botNames) {
 			if (string.IsNullOrEmpty(botNames)) {
 				ASF.ArchiLogger.LogNullError(nameof(botNames));
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/CommandController.cs b/ArchiSteamFarm/IPC/Controllers/Api/CommandController.cs
index e2c1915da..273423c5a 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/CommandController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/CommandController.cs
@@ -25,11 +25,15 @@ 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 {
 		/// <summary>
 		/// Executes a command.
@@ -39,6 +43,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// You should use "given bot" commands when executing this endpoint, omitting targets of the command will cause the command to be executed on first defined bot
 		/// </remarks>
 		[HttpPost("{command:required}")]
+		[SwaggerResponse(200, type: typeof(GenericResponse<string>))]
 		public async Task<ActionResult<GenericResponse<string>>> CommandPost(string command) {
 			if (string.IsNullOrEmpty(command)) {
 				ASF.ArchiLogger.LogNullError(nameof(command));
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/NLogController.cs b/ArchiSteamFarm/IPC/Controllers/Api/NLogController.cs
index a564c9184..64c5f877d 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/NLogController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/NLogController.cs
@@ -20,6 +20,7 @@
 // limitations under the License.
 
 using System.Collections.Concurrent;
+using System.Collections.Generic;
 using System.Linq;
 using System.Net.WebSockets;
 using System.Text;
@@ -30,11 +31,15 @@ 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 {
 		private static readonly ConcurrentDictionary<WebSocket, SemaphoreSlim> ActiveLogWebSockets = new ConcurrentDictionary<WebSocket, SemaphoreSlim>();
 
@@ -45,6 +50,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// This API endpoint requires a websocket connection.
 		/// </remarks>
 		[HttpGet]
+		[SwaggerResponse(200, type: typeof(IEnumerable<GenericResponse<string>>))]
 		public async Task<ActionResult> NLogGet() {
 			if (!HttpContext.WebSockets.IsWebSocketRequest) {
 				return BadRequest(new GenericResponse(false, string.Format(Strings.WarningFailedWithError, nameof(HttpContext.WebSockets.IsWebSocketRequest) + ": " + HttpContext.WebSockets.IsWebSocketRequest)));
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/StructureController.cs b/ArchiSteamFarm/IPC/Controllers/Api/StructureController.cs
index 1665d9038..2e335df6c 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/StructureController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/StructureController.cs
@@ -23,11 +23,15 @@ 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 {
 		/// <summary>
 		/// Fetches structure of given type.
@@ -36,6 +40,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// Structure is defined as a representation of given object in its default state.
 		/// </remarks>
 		[HttpGet("{structure:required}")]
+		[SwaggerResponse(200, type: typeof(GenericResponse<object>))]
 		public ActionResult<GenericResponse<object>> StructureGet(string structure) {
 			if (string.IsNullOrEmpty(structure)) {
 				ASF.ArchiLogger.LogNullError(nameof(structure));
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/TypeController.cs b/ArchiSteamFarm/IPC/Controllers/Api/TypeController.cs
index f9baf89c4..52101c879 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/TypeController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/TypeController.cs
@@ -27,11 +27,15 @@ 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 {
 		/// <summary>
 		/// Fetches type info of given type.
@@ -40,6 +44,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// Type info is defined as a representation of given object with its fields and properties being assigned to a string value that defines their type.
 		/// </remarks>
 		[HttpGet("{type:required}")]
+		[SwaggerResponse(200, type: typeof(GenericResponse<TypeResponse>))]
 		public ActionResult<GenericResponse<TypeResponse>> TypeGet(string type) {
 			if (string.IsNullOrEmpty(type)) {
 				ASF.ArchiLogger.LogNullError(nameof(type));
diff --git a/ArchiSteamFarm/IPC/Controllers/Api/WWWController.cs b/ArchiSteamFarm/IPC/Controllers/Api/WWWController.cs
index 40f309330..a6a71c724 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/WWWController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/WWWController.cs
@@ -28,11 +28,15 @@ 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 {
 		/// <summary>
 		/// Fetches files in given directory relative to WWW root.
@@ -41,15 +45,16 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// This is internal API being utilizied by our ASF-ui IPC frontend. You should not depend on existence of any /Api/WWW as they can disappear and change anytime.
 		/// </remarks>
 		[HttpGet("Directory/{directory:required}")]
-		public ActionResult<GenericResponse<HashSet<string>>> DirectoryGet(string directory) {
+		[SwaggerResponse(200, type: typeof(GenericResponse<IReadOnlyCollection<string>>))]
+		public ActionResult<GenericResponse<IReadOnlyCollection<string>>> DirectoryGet(string directory) {
 			if (string.IsNullOrEmpty(directory)) {
 				ASF.ArchiLogger.LogNullError(nameof(directory));
-				return BadRequest(new GenericResponse<HashSet<string>>(false, string.Format(Strings.ErrorIsEmpty, nameof(directory))));
+				return BadRequest(new GenericResponse<IReadOnlyCollection<string>>(false, string.Format(Strings.ErrorIsEmpty, nameof(directory))));
 			}
 
 			string directoryPath = Path.Combine(ArchiKestrel.WebsiteDirectory, directory);
 			if (!Directory.Exists(directoryPath)) {
-				return BadRequest(new GenericResponse<HashSet<string>>(false, string.Format(Strings.ErrorIsInvalid, directory)));
+				return BadRequest(new GenericResponse<IReadOnlyCollection<string>>(false, string.Format(Strings.ErrorIsInvalid, directory)));
 			}
 
 			string[] files;
@@ -57,11 +62,11 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 			try {
 				files = Directory.GetFiles(directoryPath);
 			} catch (Exception e) {
-				return BadRequest(new GenericResponse<HashSet<string>>(false, string.Format(Strings.ErrorParsingObject, nameof(files)) + Environment.NewLine + e));
+				return BadRequest(new GenericResponse<IReadOnlyCollection<string>>(false, string.Format(Strings.ErrorParsingObject, nameof(files)) + Environment.NewLine + e));
 			}
 
 			HashSet<string> result = files.Select(Path.GetFileName).ToHashSet();
-			return Ok(new GenericResponse<HashSet<string>>(result));
+			return Ok(new GenericResponse<IReadOnlyCollection<string>>(result));
 		}
 
 		/// <summary>
@@ -71,18 +76,19 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// This is internal API being utilizied by our ASF-ui IPC frontend. You should not depend on existence of any /Api/WWW as they can disappear and change anytime.
 		/// </remarks>
 		[HttpGet("GitHub/Releases")]
-		public async Task<ActionResult<GenericResponse<IEnumerable<GitHubReleaseResponse>>>> GitHubReleasesGet([FromQuery] byte count = 10) {
+		[SwaggerResponse(200, type: typeof(GenericResponse<IReadOnlyCollection<GitHubReleaseResponse>>))]
+		public async Task<ActionResult<GenericResponse<IReadOnlyCollection<GitHubReleaseResponse>>>> GitHubReleasesGet([FromQuery] byte count = 10) {
 			if (count == 0) {
-				return BadRequest(new GenericResponse<IEnumerable<GitHubReleaseResponse>>(false, string.Format(Strings.ErrorIsEmpty, nameof(count))));
+				return BadRequest(new GenericResponse<IReadOnlyCollection<GitHubReleaseResponse>>(false, string.Format(Strings.ErrorIsEmpty, nameof(count))));
 			}
 
 			List<GitHub.ReleaseResponse> response = await GitHub.GetReleases(count).ConfigureAwait(false);
 			if ((response == null) || (response.Count == 0)) {
-				return BadRequest(new GenericResponse<IEnumerable<GitHub.ReleaseResponse>>(false, string.Format(Strings.ErrorRequestFailedTooManyTimes, WebBrowser.MaxTries)));
+				return BadRequest(new GenericResponse<IReadOnlyCollection<GitHub.ReleaseResponse>>(false, string.Format(Strings.ErrorRequestFailedTooManyTimes, WebBrowser.MaxTries)));
 			}
 
-			IEnumerable<GitHubReleaseResponse> result = response.Select(singleResponse => new GitHubReleaseResponse(singleResponse));
-			return Ok(new GenericResponse<IEnumerable<GitHubReleaseResponse>>(result));
+			List<GitHubReleaseResponse> result = response.Select(singleResponse => new GitHubReleaseResponse(singleResponse)).ToList();
+			return Ok(new GenericResponse<IReadOnlyCollection<GitHubReleaseResponse>>(result));
 		}
 
 		/// <summary>
@@ -92,6 +98,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// This is internal API being utilizied by our ASF-ui IPC frontend. You should not depend on existence of any /Api/WWW as they can disappear and change anytime.
 		/// </remarks>
 		[HttpGet("GitHub/Releases/{version:required}")]
+		[SwaggerResponse(200, type: typeof(GenericResponse<GitHubReleaseResponse>))]
 		public async Task<ActionResult<GenericResponse<GitHubReleaseResponse>>> GitHubReleasesGet(string version) {
 			if (string.IsNullOrEmpty(version)) {
 				return BadRequest(new GenericResponse<GitHubReleaseResponse>(false, string.Format(Strings.ErrorIsEmpty, nameof(version))));
@@ -111,7 +118,9 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 		/// <remarks>
 		/// This is internal API being utilizied by our ASF-ui IPC frontend. You should not depend on existence of any /Api/WWW as they can disappear and change anytime.
 		/// </remarks>
+		[Consumes("application/json")]
 		[HttpPost("Send")]
+		[SwaggerResponse(200, type: typeof(GenericResponse<string>))]
 		public async Task<ActionResult<GenericResponse<string>>> SendPost([FromBody] WWWSendRequest request) {
 			if (request == null) {
 				ASF.ArchiLogger.LogNullError(nameof(request));
diff --git a/ArchiSteamFarm/IPC/Startup.cs b/ArchiSteamFarm/IPC/Startup.cs
index 733f18c4f..424af687a 100644
--- a/ArchiSteamFarm/IPC/Startup.cs
+++ b/ArchiSteamFarm/IPC/Startup.cs
@@ -95,6 +95,7 @@ namespace ArchiSteamFarm.IPC {
 			services.AddSwaggerGen(
 				c => {
 					c.DescribeAllEnumsAsStrings();
+					c.EnableAnnotations();
 					c.SwaggerDoc("ASF", new Info { Title = "ASF API" });
 
 					string xmlDocumentationFile = Path.Combine(AppContext.BaseDirectory, SharedInfo.AssemblyDocumentation);