diff --git a/src/Impostor.Api.Innersloth.Generator/SourceGenerator.cs b/src/Impostor.Api.Innersloth.Generator/SourceGenerator.cs
index bf7f0052c..945aea2f5 100644
--- a/src/Impostor.Api.Innersloth.Generator/SourceGenerator.cs
+++ b/src/Impostor.Api.Innersloth.Generator/SourceGenerator.cs
@@ -75,6 +75,7 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
             enumGenerator.Generate("ColorType", "Impostor.Api.Innersloth.Customization");
 
             enumGenerator.Generate("DisconnectReason", sourceName: "DisconnectReasons");
+            enumGenerator.Generate("SanctionReasons");
             enumGenerator.Generate("GameKeywords", flags: true, underlyingType: CSharpEnumUnderlyingType.UnsignedInt);
             enumGenerator.Generate("GameOverReason", underlyingType: CSharpEnumUnderlyingType.Byte);
             enumGenerator.Generate("Platforms");
diff --git a/src/Impostor.Api/Innersloth/Data/enums/SanctionReasons.json b/src/Impostor.Api/Innersloth/Data/enums/SanctionReasons.json
new file mode 100644
index 000000000..6dcd0586a
--- /dev/null
+++ b/src/Impostor.Api/Innersloth/Data/enums/SanctionReasons.json
@@ -0,0 +1,23 @@
+{
+  "None": 0,
+  "ImpersonationCeleb": 1,
+  "Spamming": 2,
+  "InappropriateNameUnsportsmanlike": 3,
+  "UnsportsmanlikeConduct": 4,
+  "ImpersonationDevelopers": 5,
+  "InappropriateChatPersonalInfo": 6,
+  "InappropriateNameDerogatory": 7,
+  "InappropriateNameNsfw": 8,
+  "Bullying": 9,
+  "CheatingHacking": 10,
+  "InappropriateChatDating": 11,
+  "WeaponizingRules": 12,
+  "RepeatOffender3": 13,
+  "SexualMisconduct": 14,
+  "Doxing": 15,
+  "IllegalActivity": 16,
+  "Harassment": 17,
+  "SelfHarmPromotion": 18,
+  "RepeatOffender10": 19,
+  "InvalidUser": 20
+}
\ No newline at end of file
diff --git a/src/Impostor.Api/Innersloth/Data/info.json b/src/Impostor.Api/Innersloth/Data/info.json
index f6f520b40..a49bb82f7 100644
--- a/src/Impostor.Api/Innersloth/Data/info.json
+++ b/src/Impostor.Api/Innersloth/Data/info.json
@@ -1,5 +1,5 @@
 {
-  "dumpostorVersion": "1.0.0",
+  "dumpostorVersion": "1.0.0-dev",
   "gameVersion": "2024.3.5",
-  "platformType": "StandaloneItch"
-}
+  "platformType": "StandaloneSteamPC"
+}
\ No newline at end of file
diff --git a/src/Impostor.Server/Http/GamesController.cs b/src/Impostor.Server/Http/GamesController.cs
index e64a498ae..aafbd1b4d 100644
--- a/src/Impostor.Server/Http/GamesController.cs
+++ b/src/Impostor.Server/Http/GamesController.cs
@@ -147,8 +147,25 @@ public MatchmakerError(DisconnectReason reason)
             Reason = reason;
         }
 
+        [SetsRequiredMembers]
+        public MatchmakerError(SanctionReasons sanctionReason, DateTimeOffset endsAt)
+        {
+            Reason = DisconnectReason.Sanctions;
+            SanctionReason = sanctionReason;
+            EndsAt = endsAt;
+        }
+
         [JsonPropertyName("Reason")]
         public required DisconnectReason Reason { get; init; }
+
+        [JsonPropertyName("SanctionReason")]
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingDefault)]
+        public SanctionReasons SanctionReason { get; init; }
+
+        /// <remarks>A value equal to <see cref="DateTimeOffset.MaxValue"/> means the sanction is permanent.</remarks>
+        [JsonPropertyName("EndsAt")]
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingDefault)]
+        public DateTimeOffset EndsAt { get; init; }
     }
 
     private class GameListing