diff --git a/lib/polar/machines.ex b/lib/polar/machines.ex
index 414532a..99ea22b 100644
--- a/lib/polar/machines.ex
+++ b/lib/polar/machines.ex
@@ -8,4 +8,10 @@ defmodule Polar.Machines do
   defdelegate create_cluster(params),
     to: Cluster.Manager,
     as: :create
+
+  alias __MODULE__.Assessment
+
+  defdelegate create_assessment(version, params),
+    to: Assessment.Manager,
+    as: :create
 end
diff --git a/lib/polar/machines/assessment.ex b/lib/polar/machines/assessment.ex
index 663275f..cf13485 100644
--- a/lib/polar/machines/assessment.ex
+++ b/lib/polar/machines/assessment.ex
@@ -9,6 +9,8 @@ defmodule Polar.Machines.Assessment do
   schema "assessments" do
     field :current_state, :string, default: "created"
 
+    field :check_slug, :string, virtual: true
+
     belongs_to :check, Check
     belongs_to :cluster, Cluster
 
@@ -20,7 +22,7 @@ defmodule Polar.Machines.Assessment do
   @doc false
   def changeset(assessment, attrs) do
     assessment
-    |> cast(attrs, [:current_state])
-    |> validate_required([:current_state])
+    |> cast(attrs, [:cluster_id, :check_slug])
+    |> validate_required([:cluster_id, :check_slug])
   end
 end
diff --git a/lib/polar/machines/assessment/manager.ex b/lib/polar/machines/assessment/manager.ex
new file mode 100644
index 0000000..621f840
--- /dev/null
+++ b/lib/polar/machines/assessment/manager.ex
@@ -0,0 +1,10 @@
+defmodule Polar.Machines.Assessment.Manager do
+  alias Polar.Repo
+  alias Polar.Machines.Assessment
+
+  def create(version, params) do
+    %Assessment{version_id: version.id}
+    |> Assessment.changeset(params)
+    |> Repo.insert()
+  end
+end
diff --git a/lib/polar_web/controllers/publish/event_controller.ex b/lib/polar_web/controllers/publish/event_controller.ex
new file mode 100644
index 0000000..8f4e90f
--- /dev/null
+++ b/lib/polar_web/controllers/publish/event_controller.ex
@@ -0,0 +1,40 @@
+defmodule PolarWeb.Publish.EventController do
+  use PolarWeb, :controller
+
+  alias Polar.Repo
+  alias Polar.Streams.Version
+
+  action_fallback PolarWeb.FallbackController
+
+  def create(conn, %{
+        "version_id" => version_id,
+        "event" => event_params
+      }) do
+    with %Version{} = version <- Repo.get(Version, version_id) do
+      transit_and_render(conn, version, event_params)
+    end
+  end
+
+  alias Polar.Machines.Assessment
+
+  def create(conn, %{
+        "assessment_id" => assessment_id,
+        "event" => event_params
+      }) do
+    with %Assessment{} = assessment <- Repo.get(Assessment, assessment_id) do
+      transit_and_render(conn, assessment, event_params)
+    end
+  end
+
+  defp transit_and_render(
+         %{assigns: %{current_user: user}} = conn,
+         resource,
+         %{"name" => event_name}
+       ) do
+    with {:ok, %{event: event}} <- Eventful.Transit.perform(resource, user, event_name) do
+      conn
+      |> put_status(:created)
+      |> render(:create, %{event: event})
+    end
+  end
+end
diff --git a/lib/polar_web/controllers/publish/version/event_json.ex b/lib/polar_web/controllers/publish/event_json.ex
similarity index 65%
rename from lib/polar_web/controllers/publish/version/event_json.ex
rename to lib/polar_web/controllers/publish/event_json.ex
index 2e82970..2d7fe2a 100644
--- a/lib/polar_web/controllers/publish/version/event_json.ex
+++ b/lib/polar_web/controllers/publish/event_json.ex
@@ -1,4 +1,4 @@
-defmodule PolarWeb.Publish.Version.EventJSON do
+defmodule PolarWeb.Publish.EventJSON do
   def create(%{event: event}) do
     %{data: %{id: event.id, name: event.name}}
   end
diff --git a/lib/polar_web/controllers/publish/testing/assessment_controller.ex b/lib/polar_web/controllers/publish/testing/assessment_controller.ex
index e69de29..f13cd9c 100644
--- a/lib/polar_web/controllers/publish/testing/assessment_controller.ex
+++ b/lib/polar_web/controllers/publish/testing/assessment_controller.ex
@@ -0,0 +1,14 @@
+defmodule PolarWeb.Publish.Testing.AssessmentController do
+  use PolarWeb, :controller
+
+  alias Polar.Repo
+  alias Polar.Machines
+  alias Polar.Streams.Version
+
+  def create(conn, %{"version_id" => version_id, "assessment" => assessment_params}) do
+    with %Version{} = version <- Repo.get(Version, version_id),
+         {:ok, assessment} <- Machines.create_assessment(version, assessment_params) do
+      render(conn, :create, %{assessment: assessment})
+    end
+  end
+end
diff --git a/lib/polar_web/controllers/publish/version/event_controller.ex b/lib/polar_web/controllers/publish/version/event_controller.ex
deleted file mode 100644
index 5c43bb8..0000000
--- a/lib/polar_web/controllers/publish/version/event_controller.ex
+++ /dev/null
@@ -1,20 +0,0 @@
-defmodule PolarWeb.Publish.Version.EventController do
-  use PolarWeb, :controller
-
-  alias Polar.Repo
-  alias Polar.Streams.Version
-
-  action_fallback PolarWeb.FallbackController
-
-  def create(%{assigns: %{current_user: current_user}} = conn, %{
-        "version_id" => version_id,
-        "event" => %{"name" => event_name}
-      }) do
-    with %Version{} = version <- Repo.get(Version, version_id),
-         {:ok, %{event: event}} <- Eventful.Transit.perform(version, current_user, event_name) do
-      conn
-      |> put_status(:created)
-      |> render(:create, %{event: event})
-    end
-  end
-end
diff --git a/lib/polar_web/router.ex b/lib/polar_web/router.ex
index eae81b2..bd2bd92 100644
--- a/lib/polar_web/router.ex
+++ b/lib/polar_web/router.ex
@@ -99,18 +99,22 @@ defmodule PolarWeb.Router do
     scope "/" do
       pipe_through :publish
 
-      scope "/testing", Testing, as: :testing do
-        resources "/clusters", ClusterController, only: [:index]
-      end
-
       resources "/storage", StorageController, only: [:show], singleton: true
 
       resources "/products", ProductController, only: [:show] do
         resources "/versions", VersionController, only: [:create]
       end
 
-      scope "/versions/:version_id", Version, as: :version do
-        resources "/events", EventController, only: [:create]
+      resources "/versions/:version_id/events", EventController, only: [:create]
+
+      scope "/testing", as: :testing do
+        resources "/clusters", Testing.ClusterController, only: [:index]
+
+        resources "/assessments/:assessment_id/events", EventController, only: [:create]
+
+        scope "/versions/:version_id" do
+          resources "/assessments", Testing.AssessmentController, only: [:create]
+        end
       end
     end
   end