diff --git a/Directory.Build.props b/Directory.Build.props
index 48851e5..6c2fc0b 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -10,7 +10,7 @@
 		<LangVersion>9</LangVersion>
 		<CheckEolTargetFramework>false</CheckEolTargetFramework>
 
-		<Version>0.0.56-alpha</Version>
+		<Version>0.0.57-alpha</Version>
 		<PackageLicenseExpression>MIT</PackageLicenseExpression>
 
 		<PackageProjectUrl>https://github.com/jpacelli62/Faaast</PackageProjectUrl>
diff --git a/src/Faaast.Metadata/ApplicationBuilderExtensions.cs b/src/Faaast.Metadata/ApplicationBuilderExtensions.cs
index 55fc6f4..26e2888 100644
--- a/src/Faaast.Metadata/ApplicationBuilderExtensions.cs
+++ b/src/Faaast.Metadata/ApplicationBuilderExtensions.cs
@@ -1,4 +1,6 @@
-using Faaast.Metadata;
+using System.Collections.Generic;
+using System;
+using Faaast.Metadata;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 
 namespace Microsoft.Extensions.DependencyInjection
@@ -10,5 +12,12 @@ public static IServiceCollection AddMetadata(this IServiceCollection services)
             services.TryAddSingleton<IObjectMapper, DefaultObjectMapper>();
             return services;
         }
+
+        public static IServiceCollection AddMetadata(this IServiceCollection services, Dictionary<Type, IDtoClass> definitions)
+        {
+            var mapper = new DefaultObjectMapper(definitions);
+            services.TryAddSingleton<IObjectMapper>(mapper);
+            return services;
+        }
     }
 }
diff --git a/src/Faaast.Metadata/DefaultObjectMapper.cs b/src/Faaast.Metadata/DefaultObjectMapper.cs
index 9439bef..d682543 100644
--- a/src/Faaast.Metadata/DefaultObjectMapper.cs
+++ b/src/Faaast.Metadata/DefaultObjectMapper.cs
@@ -9,6 +9,10 @@ public class DefaultObjectMapper : IObjectMapper
     {
         private Dictionary<Type, IDtoClass> Definitions { get; } = new Dictionary<Type, IDtoClass>();
 
+        public DefaultObjectMapper() { }
+
+        public DefaultObjectMapper(Dictionary<Type, IDtoClass> definitions) => this.Definitions = definitions;
+
         private readonly ReadWriteSync _sync = new();
 
         public IDtoClass Get(Type type)
diff --git a/src/Faaast.SeoRouter/RoutingRule.cs b/src/Faaast.SeoRouter/RoutingRule.cs
index 029eab5..503daae 100644
--- a/src/Faaast.SeoRouter/RoutingRule.cs
+++ b/src/Faaast.SeoRouter/RoutingRule.cs
@@ -211,6 +211,7 @@ public virtual RouteValueDictionary UrlTokens()
 
         public virtual VirtualPathData GetVirtualPath(IRouter router, RouteValueDictionary ambiantValues, RouteValueDictionary values)
         {
+            var pathData = new VirtualPathData(router, this.Url);
             if (this.Kind == RuleKind.Global)
             {
                 foreach (var parameter in _routeTemplate.Parameters)
@@ -230,38 +231,44 @@ public virtual VirtualPathData GetVirtualPath(IRouter router, RouteValueDictiona
                     }
                 }
 
-                var binderValues = _binder.GetValues(ambiantValues, values);
-                if (binderValues == null)
+                string virtualPath;
+                if (this.IsDynamic)
                 {
-                    // We're missing one of the required values for this route.
-                    return null;
-                }
-
-                var virtualPath = _binder.BindValues(binderValues.AcceptedValues);
-                if (virtualPath == null)
-                {
-                    return null;
-                }
+                    var binderValues = _binder.GetValues(ambiantValues, values);
+                    if (binderValues == null)
+                    {
+                        // We're missing one of the required values for this route.
+                        return null;
+                    }
 
-                if (this.Url.EndsWith("/") && !virtualPath.EndsWith("/"))
-                {
-                    virtualPath += "/";
-                }
+                    virtualPath = _binder.BindValues(binderValues.AcceptedValues);
+                    if (virtualPath == null)
+                    {
+                        return null;
+                    }
+                    if (this.Url.EndsWith("/") && !virtualPath.EndsWith("/"))
+                    {
+                        virtualPath += "/";
+                    }
 
-                var pathData = new VirtualPathData(router, virtualPath);
-                foreach (var dataToken in binderValues.CombinedValues)
-                {
-                    if (!binderValues.AcceptedValues.ContainsKey(dataToken.Key))
+                    pathData = new VirtualPathData(router, virtualPath);
+                    foreach (var dataToken in binderValues.CombinedValues)
                     {
-                        pathData.DataTokens.Add(dataToken.Key, dataToken.Value);
+                        if (!binderValues.AcceptedValues.ContainsKey(dataToken.Key))
+                        {
+                            pathData.DataTokens.Add(dataToken.Key, dataToken.Value);
+                        }
                     }
                 }
+                else
+                {
+                    return pathData;
+                }
 
                 return pathData;
             }
             else
             {
-                var pathData = new VirtualPathData(router, this.Url);
                 return pathData;
             }
         }