diff --git a/lib/polar/machines.ex b/lib/polar/machines.ex
index 99ea22b..e8cfec7 100644
--- a/lib/polar/machines.ex
+++ b/lib/polar/machines.ex
@@ -9,9 +9,15 @@ defmodule Polar.Machines do
     to: Cluster.Manager,
     as: :create
 
+  alias __MODULE__.Check
+
+  defdelegate create_check(params),
+    to: Check.Manager,
+    as: :create
+
   alias __MODULE__.Assessment
 
-  defdelegate create_assessment(version, params),
+  defdelegate create_assessment(check, params),
     to: Assessment.Manager,
     as: :create
 end
diff --git a/lib/polar/machines/assessment.ex b/lib/polar/machines/assessment.ex
index cf13485..c44b481 100644
--- a/lib/polar/machines/assessment.ex
+++ b/lib/polar/machines/assessment.ex
@@ -6,6 +6,9 @@ defmodule Polar.Machines.Assessment do
   alias Polar.Machines.Check
   alias Polar.Machines.Cluster
 
+  @valid_attrs ~w(version_id cluster_id check_slug)a
+  @required_attrs ~w(version_id cluster_id check_slug)a
+
   schema "assessments" do
     field :current_state, :string, default: "created"
 
@@ -22,7 +25,7 @@ defmodule Polar.Machines.Assessment do
   @doc false
   def changeset(assessment, attrs) do
     assessment
-    |> cast(attrs, [:cluster_id, :check_slug])
-    |> validate_required([:cluster_id, :check_slug])
+    |> cast(attrs, @valid_attrs)
+    |> validate_required(@required_attrs)
   end
 end
diff --git a/lib/polar/machines/assessment/manager.ex b/lib/polar/machines/assessment/manager.ex
index 621f840..30bce08 100644
--- a/lib/polar/machines/assessment/manager.ex
+++ b/lib/polar/machines/assessment/manager.ex
@@ -2,8 +2,8 @@ defmodule Polar.Machines.Assessment.Manager do
   alias Polar.Repo
   alias Polar.Machines.Assessment
 
-  def create(version, params) do
-    %Assessment{version_id: version.id}
+  def create(check, params) do
+    %Assessment{check_id: check.id}
     |> Assessment.changeset(params)
     |> Repo.insert()
   end
diff --git a/lib/polar/machines/check.ex b/lib/polar/machines/check.ex
index 15e2c26..25dc4ac 100644
--- a/lib/polar/machines/check.ex
+++ b/lib/polar/machines/check.ex
@@ -3,6 +3,8 @@ defmodule Polar.Machines.Check do
   import Ecto.Changeset
 
   schema "checks" do
+    field :name, :string, virtual: true
+
     field :slug, :string
     field :description, :string
 
@@ -12,7 +14,16 @@ defmodule Polar.Machines.Check do
   @doc false
   def changeset(check, attrs) do
     check
-    |> cast(attrs, [:slug, :description])
-    |> validate_required([:slug, :description])
+    |> cast(attrs, [:name, :description])
+    |> validate_required([:name, :description])
+    |> generate_slug()
+  end
+
+  defp generate_slug(changeset) do
+    if name = get_change(changeset, :name) do
+      put_change(changeset, :slug, Slug.slugify(name))
+    else
+      changeset
+    end
   end
 end
diff --git a/lib/polar/machines/check/manager.ex b/lib/polar/machines/check/manager.ex
new file mode 100644
index 0000000..31e0d88
--- /dev/null
+++ b/lib/polar/machines/check/manager.ex
@@ -0,0 +1,10 @@
+defmodule Polar.Machines.Check.Manager do
+  alias Polar.Repo
+  alias Polar.Machines.Check
+
+  def create(params) do
+    %Check{}
+    |> Check.changeset(params)
+    |> Repo.insert()
+  end
+end
diff --git a/lib/polar_web/controllers/publish/testing/assessment_controller.ex b/lib/polar_web/controllers/publish/testing/assessment_controller.ex
index f13cd9c..e3b903f 100644
--- a/lib/polar_web/controllers/publish/testing/assessment_controller.ex
+++ b/lib/polar_web/controllers/publish/testing/assessment_controller.ex
@@ -3,11 +3,17 @@ defmodule PolarWeb.Publish.Testing.AssessmentController do
 
   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
+  alias Polar.Machines.Check
+
+  def create(conn, %{
+        "check_id" => check_id,
+        "assessment" => assessment_params
+      }) do
+    with %Check{} = check <- Repo.get(Check, check_id),
+         {:ok, assessment} <- Machines.create_assessment(check, assessment_params) do
+      assessment = Repo.preload(assessment, [:check])
+
       render(conn, :create, %{assessment: assessment})
     end
   end
diff --git a/lib/polar_web/controllers/publish/testing/assessment_json.ex b/lib/polar_web/controllers/publish/testing/assessment_json.ex
index e69de29..124bb3b 100644
--- a/lib/polar_web/controllers/publish/testing/assessment_json.ex
+++ b/lib/polar_web/controllers/publish/testing/assessment_json.ex
@@ -0,0 +1,17 @@
+defmodule PolarWeb.Publish.Testing.AssessmentJSON do
+  alias Polar.Machines.Assessment
+
+  def create(%{assessment: assessment}) do
+    %{data: data(assessment)}
+  end
+
+  defp data(%Assessment{} = assessment) do
+    %{
+      id: assessment.id,
+      current_state: assessment.current_state,
+      check: %{
+        slug: assessment.check.slug
+      }
+    }
+  end
+end
diff --git a/lib/polar_web/controllers/publish/testing/check_controller.ex b/lib/polar_web/controllers/publish/testing/check_controller.ex
new file mode 100644
index 0000000..e69de29
diff --git a/lib/polar_web/router.ex b/lib/polar_web/router.ex
index bd2bd92..3cb9acf 100644
--- a/lib/polar_web/router.ex
+++ b/lib/polar_web/router.ex
@@ -112,7 +112,7 @@ defmodule PolarWeb.Router do
 
         resources "/assessments/:assessment_id/events", EventController, only: [:create]
 
-        scope "/versions/:version_id" do
+        scope "/checks/:check_id" do
           resources "/assessments", Testing.AssessmentController, only: [:create]
         end
       end
diff --git a/mix.exs b/mix.exs
index 6e76f03..dc430e7 100644
--- a/mix.exs
+++ b/mix.exs
@@ -77,6 +77,9 @@ defmodule Polar.MixProject do
       # Cert
       {:x509, "~> 0.8"},
 
+      # Slug
+      {:slugify, "~> 1.3"},
+
       # Encryption
       {:cloak_ecto, "~> 1.3"},
 
diff --git a/mix.lock b/mix.lock
index 742c8fd..8d49703 100644
--- a/mix.lock
+++ b/mix.lock
@@ -44,6 +44,7 @@
   "plug": {:hex, :plug, "1.15.3", "712976f504418f6dff0a3e554c40d705a9bcf89a7ccef92fc6a5ef8f16a30a97", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "cc4365a3c010a56af402e0809208873d113e9c38c401cabd88027ef4f5c01fd2"},
   "plug_crypto": {:hex, :plug_crypto, "2.0.0", "77515cc10af06645abbfb5e6ad7a3e9714f805ae118fa1a70205f80d2d70fe73", [:mix], [], "hexpm", "53695bae57cc4e54566d993eb01074e4d894b65a3766f1c43e2c61a1b0f45ea9"},
   "postgrex": {:hex, :postgrex, "0.17.4", "5777781f80f53b7c431a001c8dad83ee167bcebcf3a793e3906efff680ab62b3", [:mix], [{:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:table, "~> 0.1.0", [hex: :table, repo: "hexpm", optional: true]}], "hexpm", "6458f7d5b70652bc81c3ea759f91736c16a31be000f306d3c64bcdfe9a18b3cc"},
+  "slugify": {:hex, :slugify, "1.3.1", "0d3b8b7e5c1eeaa960e44dce94382bee34a39b3ea239293e457a9c5b47cc6fd3", [:mix], [], "hexpm", "cb090bbeb056b312da3125e681d98933a360a70d327820e4b7f91645c4d8be76"},
   "swoosh": {:hex, :swoosh, "1.15.2", "490ea85a98e8fb5178c07039e0d8519839e38127724a58947a668c00db7574ee", [:mix], [{:bandit, ">= 1.0.0", [hex: :bandit, repo: "hexpm", optional: true]}, {:cowboy, "~> 1.1 or ~> 2.4", [hex: :cowboy, repo: "hexpm", optional: true]}, {:ex_aws, "~> 2.1", [hex: :ex_aws, repo: "hexpm", optional: true]}, {:finch, "~> 0.6", [hex: :finch, repo: "hexpm", optional: true]}, {:gen_smtp, "~> 0.13 or ~> 1.0", [hex: :gen_smtp, repo: "hexpm", optional: true]}, {:hackney, "~> 1.9", [hex: :hackney, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:mail, "~> 0.2", [hex: :mail, repo: "hexpm", optional: true]}, {:mime, "~> 1.1 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug, "~> 1.9", [hex: :plug, repo: "hexpm", optional: true]}, {:plug_cowboy, ">= 1.0.0", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:req, "~> 0.4 or ~> 1.0", [hex: :req, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.2 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "9f7739c02f6c7c0ca82ee397f3bfe0465dbe4c8a65372ac2a5584bf147dd5831"},
   "tailwind": {:hex, :tailwind, "0.2.2", "9e27288b568ede1d88517e8c61259bc214a12d7eed271e102db4c93fcca9b2cd", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}], "hexpm", "ccfb5025179ea307f7f899d1bb3905cd0ac9f687ed77feebc8f67bdca78565c4"},
   "telemetry": {:hex, :telemetry, "1.2.1", "68fdfe8d8f05a8428483a97d7aab2f268aaff24b49e0f599faa091f1d4e7f61c", [:rebar3], [], "hexpm", "dad9ce9d8effc621708f99eac538ef1cbe05d6a874dd741de2e689c47feafed5"},
diff --git a/test/polar/machines/check/manager_test.exs b/test/polar/machines/check/manager_test.exs
new file mode 100644
index 0000000..d536d9a
--- /dev/null
+++ b/test/polar/machines/check/manager_test.exs
@@ -0,0 +1,17 @@
+defmodule Polar.Machines.Check.ManagerTest do
+  use Polar.DataCase, async: true
+
+  alias Polar.Machines
+
+  describe "create check" do
+    test "successfully create check" do
+      assert {:ok, check} =
+               Machines.create_check(%{
+                 name: "ipv4 issuing",
+                 description: "checks that ipv4 can be issued."
+               })
+
+      assert check.slug == "ipv4-issuing"
+    end
+  end
+end