diff --git a/ArchiSteamFarm/Bot.cs b/ArchiSteamFarm/Bot.cs
index a6ad38e25..1338c78e4 100755
--- a/ArchiSteamFarm/Bot.cs
+++ b/ArchiSteamFarm/Bot.cs
@@ -56,14 +56,19 @@ namespace ArchiSteamFarm {
 		private readonly string SentryFile;
 		private readonly BotDatabase BotDatabase;
 		private readonly CallbackManager CallbackManager;
+
+		[JsonProperty]
 		private readonly CardsFarmer CardsFarmer;
+
 		private readonly SteamApps SteamApps;
 		private readonly SteamFriends SteamFriends;
 		private readonly SteamUser SteamUser;
 		private readonly Timer AcceptConfirmationsTimer, SendItemsTimer;
 		private readonly Trading Trading;
 
+		[JsonProperty]
 		internal bool KeepRunning { get; private set; }
+
 		internal bool PlayingBlocked { get; private set; }
 
 		private bool FirstTradeSent, InvalidPassword, SkipFirstShutdown;
@@ -354,6 +359,8 @@ namespace ArchiSteamFarm {
 						return await Response2FAConfirm(steamID, false).ConfigureAwait(false);
 					case "!2faok":
 						return await Response2FAConfirm(steamID, true).ConfigureAwait(false);
+					case "!api":
+						return ResponseAPI(steamID);
 					case "!exit":
 						return ResponseExit(steamID);
 					case "!farm":
@@ -754,6 +761,24 @@ namespace ArchiSteamFarm {
 			return null;
 		}
 
+		private static string ResponseAPI(ulong steamID) {
+			if (steamID == 0) {
+				Logging.LogNullError(nameof(steamID));
+				return null;
+			}
+
+			if (!IsOwner(steamID)) {
+				return null;
+			}
+
+			try {
+				return JsonConvert.SerializeObject(Bots);
+			} catch (JsonException e) {
+				Logging.LogGenericException(e);
+				return null;
+			}
+		}
+
 		private static string ResponseExit(ulong steamID) {
 			if (steamID == 0) {
 				Logging.LogNullError(nameof(steamID));
diff --git a/ArchiSteamFarm/CardsFarmer.cs b/ArchiSteamFarm/CardsFarmer.cs
index 7865fe69b..9a1faa78c 100755
--- a/ArchiSteamFarm/CardsFarmer.cs
+++ b/ArchiSteamFarm/CardsFarmer.cs
@@ -31,10 +31,14 @@ using System.Linq;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
+using Newtonsoft.Json;
 
 namespace ArchiSteamFarm {
 	internal sealed class CardsFarmer {
+		[JsonProperty]
 		internal readonly ConcurrentDictionary<uint, float> GamesToFarm = new ConcurrentDictionary<uint, float>();
+
+		[JsonProperty]
 		internal readonly ConcurrentHashSet<uint> CurrentGamesFarming = new ConcurrentHashSet<uint>();
 
 		private readonly ManualResetEventSlim FarmResetEvent = new ManualResetEventSlim(false);
@@ -42,6 +46,7 @@ namespace ArchiSteamFarm {
 		private readonly Bot Bot;
 		private readonly Timer Timer;
 
+		[JsonProperty]
 		internal bool ManualMode { get; private set; }
 
 		private bool KeepFarming, NowFarming;