diff --git a/Kyoo.Authentication/Controllers/PremissionValidator.cs b/Kyoo.Authentication/Controllers/PremissionValidator.cs
index 62a4843b..ca3102ed 100644
--- a/Kyoo.Authentication/Controllers/PremissionValidator.cs
+++ b/Kyoo.Authentication/Controllers/PremissionValidator.cs
@@ -132,7 +132,7 @@ namespace Kyoo.Authentication
 				}
 
 				string permStr = $"{permission.ToLower()}.{kind.ToString()!.ToLower()}";
-				string overallStr = $"{_group.ToString()}.{kind.ToString()!.ToLower()}";
+				string overallStr = $"{_group.ToString().ToLower()}.{kind.ToString()!.ToLower()}";
 				AuthenticateResult res = await context.HttpContext.AuthenticateAsync(JwtBearerDefaults.AuthenticationScheme);
 				if (res.Succeeded)
 				{
diff --git a/Kyoo.Common/Models/ConfigurationReference.cs b/Kyoo.Common/Models/ConfigurationReference.cs
index fab6f9d3..00d20b4c 100644
--- a/Kyoo.Common/Models/ConfigurationReference.cs
+++ b/Kyoo.Common/Models/ConfigurationReference.cs
@@ -87,5 +87,11 @@ namespace Kyoo.Models
 		{
 			return CreateReference(path, typeof(T));
 		}
+
+
+		public static ConfigurationReference CreateUntyped(string path)
+		{
+			return new(path, null);
+		}
 	}
 }
\ No newline at end of file
diff --git a/Kyoo.Common/Module.cs b/Kyoo.Common/Module.cs
index 0b5e0d04..a8a81b88 100644
--- a/Kyoo.Common/Module.cs
+++ b/Kyoo.Common/Module.cs
@@ -82,6 +82,20 @@ namespace Kyoo
 				services.AddSingleton(confRef);
 			return services;
 		}
+		
+		/// <summary>
+		/// Add an editable configuration to the editable configuration list.
+		/// WARNING: this method allow you to add an unmanaged type. This type won't be editable. This can be used
+		/// for external libraries or variable arguments.
+		/// </summary>
+		/// <param name="services">The service collection to edit</param>
+		/// <param name="path">The root path of the editable configuration. It should not be a nested type.</param>
+		/// <returns>The given service collection is returned.</returns>
+		public static IServiceCollection AddUntypedConfiguration(this IServiceCollection services, string path)
+		{
+			services.AddSingleton(ConfigurationReference.CreateUntyped(path));
+			return services;
+		}
 
 		/// <summary>
 		/// Get the public URL of kyoo using the given configuration instance.
diff --git a/Kyoo/Controllers/ConfigurationManager.cs b/Kyoo/Controllers/ConfigurationManager.cs
index c0a1340b..c0a63895 100644
--- a/Kyoo/Controllers/ConfigurationManager.cs
+++ b/Kyoo/Controllers/ConfigurationManager.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Dynamic;
 using System.IO;
 using System.Linq;
@@ -35,13 +36,30 @@ namespace Kyoo.Controllers
 			_references = references.ToDictionary(x => x.Path, x => x.Type, StringComparer.OrdinalIgnoreCase);
 		}
 
+		private Type GetType(string path)
+		{
+			path = path.Replace("__", ":");
+
+			// TODO handle lists and dictionaries.
+			if (_references.TryGetValue(path, out Type type))
+			{
+				if (type != null)
+					return type;
+				throw new ArgumentException($"The configuration at {path} is not editable or readable.");
+			}
+
+			string parent = path.Contains(':') ? path[..path.IndexOf(':')] : null;
+			if (parent != null && _references.TryGetValue(parent, out type) && type == null)
+				throw new ArgumentException($"The configuration at {path} is not editable or readable.");
+			throw new ItemNotFoundException($"No configuration exists for the name: {path}");
+		}
+		
 		/// <inheritdoc />
 		public object GetValue(string path)
 		{
 			path = path.Replace("__", ":");
 			// TODO handle lists and dictionaries.
-			if (!_references.TryGetValue(path, out Type type))
-				throw new ItemNotFoundException($"No configuration exists for the name: {path}");
+			Type type = GetType(path);
 			object ret = _configuration.GetValue(type, path);
 			if (ret != null)
 				return ret;
@@ -55,8 +73,7 @@ namespace Kyoo.Controllers
 		{
 			path = path.Replace("__", ":");
 			// TODO handle lists and dictionaries.
-			if (!_references.TryGetValue(path, out Type type))
-				throw new ItemNotFoundException($"No configuration exists for the name: {path}");	
+			Type type = GetType(path);
 			if (typeof(T).IsAssignableFrom(type))
 				throw new InvalidCastException($"The type {typeof(T).Name} is not valid for " +
 				                               $"a resource of type {type.Name}.");
@@ -67,8 +84,7 @@ namespace Kyoo.Controllers
 		public async Task EditValue(string path, object value)
 		{
 			path = path.Replace("__", ":");
-			if (!_references.TryGetValue(path, out Type type))
-				throw new ItemNotFoundException($"No configuration exists for the name: {path}");
+			Type type = GetType(path);
 			value = JObject.FromObject(value).ToObject(type);
 			if (value == null)
 				throw new ArgumentException("Invalid value format.");
@@ -87,18 +103,48 @@ namespace Kyoo.Controllers
 		/// </summary>
 		/// <param name="config">The configuration to transform</param>
 		/// <returns>A strongly typed representation of the configuration.</returns>
+		[SuppressMessage("ReSharper", "RedundantJumpStatement")]
 		private ExpandoObject ToObject(IConfiguration config)
 		{
 			ExpandoObject obj = new();
 
 			foreach (IConfigurationSection section in config.GetChildren())
 			{
-				if (!_references.TryGetValue(section.Path, out Type type))
+				try
+				{
+					Type type = GetType(section.Path);
+					obj.TryAdd(section.Key, section.Get(type));
+				}
+				catch (ArgumentException)
+				{
+					obj.TryAdd(section.Key, ToUntyped(section));
+				}
+				catch
+				{
 					continue;
-				obj.TryAdd(section.Key, section.Get(type));
+				}
 			}
 			
 			return obj;
 		}
+
+		/// <summary>
+		/// Transform the configuration section in nested expando objects.
+		/// </summary>
+		/// <param name="config">The section to convert</param>
+		/// <returns>The converted section</returns>
+		private static object ToUntyped(IConfigurationSection config)
+		{
+			ExpandoObject obj = new();
+
+			foreach (IConfigurationSection section in config.GetChildren())
+			{
+				obj.TryAdd(section.Key, ToUntyped(section));
+			}
+
+			if (!obj.Any())
+				return config.Value;
+			return obj;
+		}
 	}
 }
\ No newline at end of file
diff --git a/Kyoo/CoreModule.cs b/Kyoo/CoreModule.cs
index 726ed36a..34e24e75 100644
--- a/Kyoo/CoreModule.cs
+++ b/Kyoo/CoreModule.cs
@@ -99,6 +99,8 @@ namespace Kyoo
 			services.AddConfiguration<TaskOptions>(TaskOptions.Path);
 			services.Configure<MediaOptions>(_configuration.GetSection(MediaOptions.Path));
 			services.AddConfiguration<MediaOptions>(MediaOptions.Path);
+			services.AddUntypedConfiguration("database");
+			services.AddUntypedConfiguration("logging");
 			
 			services.AddControllers()
 				.AddNewtonsoftJson(x =>
diff --git a/Kyoo/Program.cs b/Kyoo/Program.cs
index db83cfd9..12227266 100644
--- a/Kyoo/Program.cs
+++ b/Kyoo/Program.cs
@@ -109,7 +109,7 @@ namespace Kyoo
 				.UseKestrel(options => { options.AddServerHeader = false; })
 				.UseIIS()
 				.UseIISIntegration()
-				.UseUrls(configuration.GetValue<string>("basics:urls"))
+				.UseUrls(configuration.GetValue<string>("basics:url"))
 				.UseStartup<Startup>();
 		}
 	}
diff --git a/Kyoo/Views/ConfigurationApi.cs b/Kyoo/Views/ConfigurationApi.cs
index 13d7f5ca..7830d786 100644
--- a/Kyoo/Views/ConfigurationApi.cs
+++ b/Kyoo/Views/ConfigurationApi.cs
@@ -71,9 +71,9 @@ namespace Kyoo.Api
 			{
 				return NotFound();
 			}
-			catch (ArgumentException)
+			catch (ArgumentException ex)
 			{
-				return BadRequest();
+				return BadRequest(ex.Message);
 			}
 		}
 	}