diff --git a/Endpoint/Controllers/Configuration/SetupController.cs b/Endpoint/Controllers/Configuration/SetupController.cs
index 1e9bacd..bc96cb1 100644
--- a/Endpoint/Controllers/Configuration/SetupController.cs
+++ b/Endpoint/Controllers/Configuration/SetupController.cs
@@ -11,6 +11,7 @@ using Mirea.Api.Endpoint.Common.Interfaces;
 using Mirea.Api.Endpoint.Common.Services;
 using Mirea.Api.Endpoint.Configuration.General;
 using Mirea.Api.Endpoint.Configuration.General.Settings;
+using Mirea.Api.Endpoint.Configuration.General.Validators;
 using MySqlConnector;
 using Npgsql;
 using StackExchange.Redis;
@@ -32,7 +33,7 @@ public class SetupController(ISetupToken setupToken, IMaintenanceModeNotConfigur
     private const string CacheAdminKey = "config_admin";
 
     private GeneralConfig GeneralConfig
-{
+    {
         get => cache.Get<GeneralConfig>(CacheGeneralKey) ?? new GeneralConfig();
         set => cache.Set(CacheGeneralKey, value);
     }
@@ -87,8 +88,8 @@ public class SetupController(ISetupToken setupToken, IMaintenanceModeNotConfigur
             };
             GeneralConfig = general;
 
-        return Ok(true);
-    }
+            return Ok(true);
+        }
         catch (TException ex)
         {
             throw new ControllerArgumentException($"Error when connecting: {ex.Message}");
@@ -278,5 +279,31 @@ public class SetupController(ISetupToken setupToken, IMaintenanceModeNotConfigur
         return true;
     }
 
+    [HttpPost("Submit")]
+    [TokenAuthentication]
+    [BadRequestResponse]
+    public ActionResult<bool> Submit()
+    {
+        if (!new SettingsRequiredValidator(GeneralConfig).AreSettingsValid())
+            throw new ControllerArgumentException("The necessary data has not been configured.");
 
+        // todo: change CreateUserRequest to Domain entity
+        if (!cache.TryGetValue(CacheAdminKey, out CreateUserRequest? user) || user == null)
+            throw new ControllerArgumentException("The administrator's data was not set.");
+
+        if (System.IO.File.Exists(PathBuilder.Combine(GeneralConfig.FilePath)))
+            System.IO.File.Delete(PathBuilder.Combine(GeneralConfig.FilePath));
+
+        System.IO.File.WriteAllText(PathBuilder.Combine("admin.json"), JsonSerializer.Serialize(user));
+
+        System.IO.File.WriteAllText(
+            PathBuilder.Combine(GeneralConfig.FilePath),
+            JsonSerializer.Serialize(GeneralConfig, new JsonSerializerOptions
+            {
+                WriteIndented = true
+            })
+        );
+
+        return true;
+    }
 }
\ No newline at end of file