diff --git a/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/LookUpTransientByIdConvention.cs b/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/LookUpTransientByIdConvention.cs
new file mode 100644
index 000000000..029e3e73e
--- /dev/null
+++ b/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/LookUpTransientByIdConvention.cs
@@ -0,0 +1,28 @@
+using Baked.Business;
+using Baked.Domain.Model;
+using Baked.RestApi.Configuration;
+
+namespace Baked.CodingStyle.RichTransient;
+
+public class LookUpTransientByIdConvention(DomainModel _domain)
+    : IApiModelConvention<ParameterModelContext>
+{
+    public void Apply(ParameterModelContext context)
+    {
+        if (context.Action.MappedMethod is null) { return; }
+        if (context.Action.MappedMethod.Has<InitializerAttribute>()) { return; }
+        if (!context.Parameter.IsInvokeMethodParameter) { return; }
+        if (context.Parameter.MappedParameter is null) { return; }
+        if (!context.Parameter.MappedParameter.ParameterType.TryGetMembers(out var members)) { return; }
+        if (!members.Has<LocatableAttribute>()) { return; }
+        if (members.TryGetQueryType(_domain, out var _)) { return; }
+
+        var initializer = members.Methods.Having<InitializerAttribute>().Single();
+        if (!initializer.DefaultOverload.Parameters.TryGetValue("id", out var parameter)) { return; }
+
+        var factoryParameter = context.Action.AddFactoryAsService(_domain, context.Parameter.MappedParameter.ParameterType);
+        context.Parameter.Name = $"{context.Parameter.Name}Id";
+        context.Parameter.Type = "string";
+        context.Parameter.LookupRenderer = p => factoryParameter.BuildInitializer(p);
+    }
+}
\ No newline at end of file
diff --git a/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/LookUpTransientsByIdsConvention.cs b/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/LookUpTransientsByIdsConvention.cs
new file mode 100644
index 000000000..d74b9fba8
--- /dev/null
+++ b/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/LookUpTransientsByIdsConvention.cs
@@ -0,0 +1,30 @@
+using Baked.Business;
+using Baked.Domain.Model;
+using Baked.RestApi.Configuration;
+using Humanizer;
+
+namespace Baked.CodingStyle.RichTransient;
+
+public class LookUpTransientsByIdsConvention(DomainModel _domain)
+    : IApiModelConvention<ParameterModelContext>
+{
+    public void Apply(ParameterModelContext context)
+    {
+        if (context.Action.MappedMethod is null) { return; }
+        if (context.Action.MappedMethod.Has<InitializerAttribute>()) { return; }
+        if (!context.Parameter.IsInvokeMethodParameter) { return; }
+        if (context.Parameter.MappedParameter is null) { return; }
+        if (!context.Parameter.MappedParameter.ParameterType.TryGetElementType(out var elementType)) { return; }
+        if (elementType.TryGetQueryContextType(_domain, out var queryContextType)) { return; }
+        if (!elementType.GetMetadata().Has<LocatableAttribute>()) { return; }
+
+        var initializer = elementType.GetMembers().Methods.Having<InitializerAttribute>().Single();
+        if (!initializer.DefaultOverload.Parameters.TryGetValue("id", out var parameter)) { return; }
+
+        var factoryParameter = context.Action.AddFactoryAsService(_domain, elementType);
+
+        context.Parameter.Type = "IEnumerable<string>";
+        context.Parameter.Name = $"{context.Parameter.Name.Singularize()}Ids";
+        context.Parameter.LookupRenderer = p => factoryParameter.BuildInitializerByIds(p, isArray: context.Parameter.TypeModel.IsArray);
+    }
+}
\ No newline at end of file
diff --git a/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/RichTransientCodingStyleExtensions.cs b/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/RichTransientCodingStyleExtensions.cs
index 022e1febf..71717ce42 100644
--- a/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/RichTransientCodingStyleExtensions.cs
+++ b/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/RichTransientCodingStyleExtensions.cs
@@ -1,5 +1,10 @@
-using Baked.CodingStyle;
+using Baked.Business;
+using Baked.CodingStyle;
 using Baked.CodingStyle.RichTransient;
+using Baked.Domain.Model;
+using Baked.RestApi.Model;
+using Humanizer;
+using ParameterModel = Baked.RestApi.Model.ParameterModel;
 
 namespace Baked;
 
@@ -7,4 +12,41 @@ public static class RichTransientCodingStyleExtensions
 {
     public static RichTransientCodingStyleFeature RichTransient(this CodingStyleConfigurator _) =>
         new();
+
+    public static ParameterModel AddFactoryAsService(this ActionModel action, DomainModel domain, TypeModel transientType)
+    {
+        var parameter =
+            new ParameterModel(transientType, ParameterModelFrom.Services, $"new{transientType.Name.Pascalize()}")
+            {
+                IsInvokeMethodParameter = false,
+                Type = $"Func<{transientType.CSharpFriendlyFullName}>"
+            };
+
+        action.Parameter[parameter.Name] = parameter;
+
+        return parameter;
+    }
+
+    public static string BuildInitializer(this ParameterModel factoryParameter, string valueExpression)
+    {
+        if (factoryParameter.TypeModel is null) { throw new("FactoryParameter shold have mapped parameter"); }
+
+        var initializer = factoryParameter.TypeModel.GetMembers().Methods.Having<InitializerAttribute>().Single();
+
+        return $"new{factoryParameter.TypeModel.Name.Pascalize()}().{initializer.Name}({valueExpression})";
+    }
+
+    public static string BuildInitializerByIds(this ParameterModel factoryParameter, string valueExpression,
+        bool isArray = default
+    )
+    {
+        if (factoryParameter.TypeModel is null) { throw new("FactoryParameter shold have mapped parameter"); }
+
+        var initializer = factoryParameter.TypeModel.GetMembers().Methods.Having<InitializerAttribute>().Single();
+        var byIds = $"{valueExpression}.Select(id => new{factoryParameter.TypeModel.Name.Pascalize()}().{initializer.Name}(id))";
+
+        return isArray
+            ? $"{byIds}.ToArray()"
+            : $"{byIds}.ToList()";
+    }
 }
\ No newline at end of file
diff --git a/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/RichTransientCodingStyleFeature.cs b/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/RichTransientCodingStyleFeature.cs
index eb9fe436a..054d5d618 100644
--- a/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/RichTransientCodingStyleFeature.cs
+++ b/src/recipe/Baked.Recipe.Service.Application/CodingStyle/RichTransient/RichTransientCodingStyleFeature.cs
@@ -19,8 +19,8 @@ public void Configure(LayerConfigurator configurator)
                 when: c =>
                     c.Type.IsClass && !c.Type.IsAbstract &&
                     c.Type.TryGetMembers(out var members) &&
-                        members.Has<TransientAttribute>() &&
                         members.Has<ServiceAttribute>() &&
+                        members.Has<TransientAttribute>() &&
                         members.Methods.Any(m =>
                             m.Has<InitializerAttribute>() &&
                             m.DefaultOverload.IsPublic &&
@@ -30,7 +30,7 @@ public void Configure(LayerConfigurator configurator)
                                 (p.ParameterType.IsValueType || p.ParameterType.Is<string>())
                             )
                         ),
-                order: 40
+                order: 10
             );
             builder.Conventions.AddMethodMetadata(new ApiMethodAttribute(),
                 when: c =>
@@ -54,6 +54,8 @@ public void Configure(LayerConfigurator configurator)
             conventions.Add(new InitializeUsingQueryParametersConvention(), order: -30);
             conventions.Add(new InitializeUsingIdParameterConvention(domainModel), order: -30);
             conventions.Add(new RichTransientInitializerIsGetResourceConvention(), order: -30);
+            conventions.Add(new LookUpTransientByIdConvention(domainModel), order: -30);
+            conventions.Add(new LookUpTransientsByIdsConvention(domainModel), order: -30);
         });
     }
 }
\ No newline at end of file
diff --git a/test/recipe/Baked.Test.Recipe.Service.Test/CodingStyle/LookingUpTransientsById.cs b/test/recipe/Baked.Test.Recipe.Service.Test/CodingStyle/LookingUpTransientsById.cs
new file mode 100644
index 000000000..3626eba17
--- /dev/null
+++ b/test/recipe/Baked.Test.Recipe.Service.Test/CodingStyle/LookingUpTransientsById.cs
@@ -0,0 +1,37 @@
+using Newtonsoft.Json;
+using System.Net.Http.Json;
+
+namespace Baked.Test.CodingStyle;
+
+public class LookingUpTransientsById : TestServiceNfr
+{
+    [Test]
+    public async Task TransientParameters()
+    {
+        var response = await Client.PostAsync("/method-samples/transient-parameters", JsonContent.Create(
+            new
+            {
+                transientId = "1"
+            }
+        ));
+        dynamic? actual = JsonConvert.DeserializeObject(await response.Content.ReadAsStringAsync());
+
+        $"{actual?.id}".ShouldBe("1");
+    }
+
+    [Test]
+    public async Task TransientListParameters()
+    {
+        var response = await Client.PostAsync("/method-samples/transient-list-parameters", JsonContent.Create(
+            new
+            {
+                transientIds = new[] { "1", "2" },
+                otherTransientIds = new[] { "3", "4" },
+            }
+        ));
+        dynamic? actual = JsonConvert.DeserializeObject(await response.Content.ReadAsStringAsync());
+
+        ((int?)actual?.Count).ShouldBe(4);
+        $"{actual?[0].id}".ShouldBe("1");
+    }
+}
\ No newline at end of file
diff --git a/test/recipe/Baked.Test.Recipe.Service/Business/MethodSamples.cs b/test/recipe/Baked.Test.Recipe.Service/Business/MethodSamples.cs
index 91c75d718..bf504014f 100644
--- a/test/recipe/Baked.Test.Recipe.Service/Business/MethodSamples.cs
+++ b/test/recipe/Baked.Test.Recipe.Service/Business/MethodSamples.cs
@@ -1,4 +1,5 @@
-using Baked.Test.Orm;
+using Baked.Test.CodingStyle.RichTransient;
+using Baked.Test.Orm;
 using Microsoft.Extensions.Logging;
 
 namespace Baked.Test.Business;
@@ -93,6 +94,21 @@ public Entity EntityParameters(Entity entity) =>
     public IEnumerable<Entity> EntityListParameters(IEnumerable<Entity> entities, Entity[] otherEntities) =>
         [.. entities, .. otherEntities];
 
+    /// <param name="transient">
+    /// Transient description
+    /// </param>
+    public RichTransientWithData TransientParameters(RichTransientWithData transient) =>
+        transient;
+
+    /// <param name="transients">
+    /// Transients description
+    /// </param>
+    /// <param name="otherTransients">
+    /// Other transients description
+    /// </param>
+    public IEnumerable<RichTransientWithData> TransientListParameters(IEnumerable<RichTransientWithData> transients, RichTransientWithData[] otherTransients) =>
+        [.. transients, .. otherTransients];
+
     internal Internal Internal() =>
         new();
 }
\ No newline at end of file