diff --git a/lib/pleroma/web/admin_api/controllers/fallback_controller.ex b/lib/pleroma/web/admin_api/controllers/fallback_controller.ex
index e72f45c219..d8fb54cadb 100644
--- a/lib/pleroma/web/admin_api/controllers/fallback_controller.ex
+++ b/lib/pleroma/web/admin_api/controllers/fallback_controller.ex
@@ -11,6 +11,12 @@ def call(conn, {:error, :not_found}) do
     |> json(%{error: dgettext("errors", "Not found")})
   end
 
+  def call(conn, {:error, :forbidden}) do
+    conn
+    |> put_status(:forbidden)
+    |> json(%{error: dgettext("errors", "Forbidden")})
+  end
+
   def call(conn, {:error, reason}) do
     conn
     |> put_status(:bad_request)
diff --git a/lib/pleroma/web/admin_api/controllers/webhook_controller.ex b/lib/pleroma/web/admin_api/controllers/webhook_controller.ex
index 8a6b0de7ac..dd9712a318 100644
--- a/lib/pleroma/web/admin_api/controllers/webhook_controller.ex
+++ b/lib/pleroma/web/admin_api/controllers/webhook_controller.ex
@@ -46,42 +46,49 @@ def create(%{body_params: params} = conn, _) do
   end
 
   def update(%{body_params: params} = conn, %{id: id}) do
-    with %Webhook{} = webhook <- Webhook.get(id),
+    with %Webhook{internal: false} = webhook <- Webhook.get(id),
          webhook <- Webhook.update(webhook, params) do
       render(conn, "show.json", webhook: webhook)
+    else
+      %Webhook{internal: true} -> {:error, :forbidden}
     end
   end
 
   def delete(conn, %{id: id}) do
-    with %Webhook{} = webhook <- Webhook.get(id),
+    with %Webhook{internal: false} = webhook <- Webhook.get(id),
          {:ok, webhook} <- Webhook.delete(webhook) do
       render(conn, "show.json", webhook: webhook)
+    else
+      %Webhook{internal: true} -> {:error, :forbidden}
     end
   end
 
   def enable(conn, %{id: id}) do
-    with %Webhook{} = webhook <- Webhook.get(id),
+    with %Webhook{internal: false} = webhook <- Webhook.get(id),
          {:ok, webhook} <- Webhook.set_enabled(webhook, true) do
       render(conn, "show.json", webhook: webhook)
     else
+      %Webhook{internal: true} -> {:error, :forbidden}
       nil -> {:error, :not_found}
     end
   end
 
   def disable(conn, %{id: id}) do
-    with %Webhook{} = webhook <- Webhook.get(id),
+    with %Webhook{internal: false} = webhook <- Webhook.get(id),
          {:ok, webhook} <- Webhook.set_enabled(webhook, false) do
       render(conn, "show.json", webhook: webhook)
     else
+      %Webhook{internal: true} -> {:error, :forbidden}
       nil -> {:error, :not_found}
     end
   end
 
   def rotate_secret(conn, %{id: id}) do
-    with %Webhook{} = webhook <- Webhook.get(id),
+    with %Webhook{internal: false} = webhook <- Webhook.get(id),
          {:ok, webhook} <- Webhook.rotate_secret(webhook) do
       render(conn, "show.json", webhook: webhook)
     else
+      %Webhook{internal: true} -> {:error, :forbidden}
       nil -> {:error, :not_found}
     end
   end
diff --git a/lib/pleroma/web/admin_api/views/webhook_view.ex b/lib/pleroma/web/admin_api/views/webhook_view.ex
index 725183029d..552aba4f1e 100644
--- a/lib/pleroma/web/admin_api/views/webhook_view.ex
+++ b/lib/pleroma/web/admin_api/views/webhook_view.ex
@@ -18,6 +18,7 @@ def render("show.json", %{webhook: webhook}) do
       events: webhook.events,
       secret: webhook.secret,
       enabled: webhook.enabled,
+      internal: webhook.internal,
       created_at: Utils.to_masto_date(webhook.inserted_at),
       updated_at: Utils.to_masto_date(webhook.updated_at)
     }
diff --git a/lib/pleroma/web/api_spec/operations/admin/webhook_operation.ex b/lib/pleroma/web/api_spec/operations/admin/webhook_operation.ex
index 0c4e1797fb..3323228dbe 100644
--- a/lib/pleroma/web/api_spec/operations/admin/webhook_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/admin/webhook_operation.ex
@@ -5,6 +5,7 @@
 defmodule Pleroma.Web.ApiSpec.Admin.WebhookOperation do
   alias OpenApiSpex.Operation
   alias OpenApiSpex.Schema
+  alias Pleroma.Web.ApiSpec.Schemas.ApiError
 
   import Pleroma.Web.ApiSpec.Helpers
 
@@ -88,7 +89,8 @@ def update_operation do
           }
         ),
       responses: %{
-        200 => Operation.response("Webhook", "application/json", webhook())
+        200 => Operation.response("Webhook", "application/json", webhook()),
+        403 => Operation.response("Forbidden", "application/json", ApiError)
       }
     }
   end
@@ -101,7 +103,8 @@ def delete_operation do
       security: [%{"oAuth" => ["admin:write"]}],
       parameters: [id_param()],
       responses: %{
-        200 => Operation.response("Webhook", "application/json", webhook())
+        200 => Operation.response("Webhook", "application/json", webhook()),
+        403 => Operation.response("Forbidden", "application/json", ApiError)
       }
     }
   end
@@ -114,7 +117,8 @@ def enable_operation do
       security: [%{"oAuth" => ["admin:write"]}],
       parameters: [id_param()],
       responses: %{
-        200 => Operation.response("Webhook", "application/json", webhook())
+        200 => Operation.response("Webhook", "application/json", webhook()),
+        403 => Operation.response("Forbidden", "application/json", ApiError)
       }
     }
   end
@@ -127,7 +131,8 @@ def disable_operation do
       security: [%{"oAuth" => ["admin:write"]}],
       parameters: [id_param()],
       responses: %{
-        200 => Operation.response("Webhook", "application/json", webhook())
+        200 => Operation.response("Webhook", "application/json", webhook()),
+        403 => Operation.response("Forbidden", "application/json", ApiError)
       }
     }
   end
@@ -140,7 +145,8 @@ def rotate_secret_operation do
       security: [%{"oAuth" => ["admin:write"]}],
       parameters: [id_param()],
       responses: %{
-        200 => Operation.response("Webhook", "application/json", webhook())
+        200 => Operation.response("Webhook", "application/json", webhook()),
+        403 => Operation.response("Forbidden", "application/json", ApiError)
       }
     }
   end
@@ -156,6 +162,7 @@ defp webhook do
         events: event_type(),
         secret: %Schema{type: :string},
         enabled: %Schema{type: :boolean},
+        internal: %Schema{type: :boolean},
         created_at: %Schema{type: :string, format: :"date-time"},
         updated_at: %Schema{type: :string, format: :"date-time"}
       },
@@ -165,6 +172,7 @@ defp webhook do
         "events" => ["report.created"],
         "secret" => "D3D8CF4BC11FD9C41FD34DCC38D282E451C8BD34",
         "enabled" => true,
+        "internal" => false,
         "created_at" => "2022-06-24T16:19:38.523Z",
         "updated_at" => "2022-06-24T16:19:38.523Z"
       }
diff --git a/lib/pleroma/webhook.ex b/lib/pleroma/webhook.ex
index d257f9d8cc..f22c00f623 100644
--- a/lib/pleroma/webhook.ex
+++ b/lib/pleroma/webhook.ex
@@ -18,6 +18,7 @@ defmodule Pleroma.Webhook do
     field(:events, {:array, Ecto.Enum}, values: @event_types, null: false, default: [])
     field(:secret, :string, null: false, default: "")
     field(:enabled, :boolean, null: false, default: true)
+    field(:internal, :boolean, null: false, default: false)
 
     timestamps()
   end
@@ -32,7 +33,7 @@ def get_by_type(type) do
 
   def changeset(%__MODULE__{} = webhook, params) do
     webhook
-    |> cast(params, [:url, :events, :enabled])
+    |> cast(params, [:url, :events, :enabled, :internal])
     |> validate_required([:url, :events])
     |> unique_constraint(:url)
     |> strip_events()
@@ -41,7 +42,7 @@ def changeset(%__MODULE__{} = webhook, params) do
 
   def update_changeset(%__MODULE__{} = webhook, params \\ %{}) do
     webhook
-    |> cast(params, [:url, :events, :enabled])
+    |> cast(params, [:url, :events, :enabled, :internal])
     |> unique_constraint(:url)
     |> strip_events()
   end
diff --git a/priv/repo/migrations/20221029171353_add_internal_to_webhooks.exs b/priv/repo/migrations/20221029171353_add_internal_to_webhooks.exs
new file mode 100644
index 0000000000..8c8ce7fc74
--- /dev/null
+++ b/priv/repo/migrations/20221029171353_add_internal_to_webhooks.exs
@@ -0,0 +1,13 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Repo.Migrations.AddInternalToWebhooks do
+  use Ecto.Migration
+
+  def change do
+    alter table(:webhooks) do
+      add(:internal, :boolean, default: false, null: false)
+    end
+  end
+end
diff --git a/test/pleroma/web/admin_api/controllers/webhook_controller_test.exs b/test/pleroma/web/admin_api/controllers/webhook_controller_test.exs
index 6a1586ff1d..0cd00e7534 100644
--- a/test/pleroma/web/admin_api/controllers/webhook_controller_test.exs
+++ b/test/pleroma/web/admin_api/controllers/webhook_controller_test.exs
@@ -64,6 +64,20 @@ test "edits a webhook", %{conn: conn} do
 
       assert %{events: [:"report.created", :"account.created"]} = Webhook.get(id)
     end
+
+    test "can't edit an internal webhook", %{conn: conn} do
+      %{id: id} =
+        Webhook.create(%{url: "https://example.com/webhook1", events: [], internal: true})
+
+      conn
+      |> put_req_header("content-type", "application/json")
+      |> patch("/api/pleroma/admin/webhooks/#{id}", %{
+        events: ["report.created", "account.created"]
+      })
+      |> json_response_and_validate_schema(:forbidden)
+
+      assert %{events: []} = Webhook.get(id)
+    end
   end
 
   describe "DELETE /api/pleroma/admin/webhooks" do