diff --git a/ArchiSteamFarm/IPC/ArchiKestrel.cs b/ArchiSteamFarm/IPC/ArchiKestrel.cs
index f282c0892..619501416 100644
--- a/ArchiSteamFarm/IPC/ArchiKestrel.cs
+++ b/ArchiSteamFarm/IPC/ArchiKestrel.cs
@@ -248,6 +248,11 @@ internal static class ArchiKestrel {
 		// Add support for websockets that we use e.g. in /Api/NLog
 		app.UseWebSockets();
 
+		// Add support for output caching
+		if (ASF.GlobalConfig?.OptimizationMode != GlobalConfig.EOptimizationMode.MinMemoryUsage) {
+			app.UseOutputCache();
+		}
+
 		// Add additional endpoints provided by plugins
 		foreach (IWebServiceProvider plugin in PluginsCore.ActivePlugins.OfType<IWebServiceProvider>()) {
 			try {
@@ -338,6 +343,11 @@ internal static class ArchiKestrel {
 			services.AddCors(static options => options.AddDefaultPolicy(static policyBuilder => policyBuilder.AllowAnyOrigin()));
 		}
 
+		// Add support for output caching
+		if (ASF.GlobalConfig?.OptimizationMode != GlobalConfig.EOptimizationMode.MinMemoryUsage) {
+			services.AddOutputCache();
+		}
+
 		// Add support for OpenAPI, responsible for automatic API documentation generation
 		services.AddOpenApi(
 			SharedInfo.ASF, static options => {