diff --git a/docs/API/admin_api.md b/docs/API/admin_api.md
index dff12db56..98af8e8f3 100644
--- a/docs/API/admin_api.md
+++ b/docs/API/admin_api.md
@@ -665,19 +665,6 @@ Note: Available `:permission_group` is currently moderator and admin. 404 is ret
     - 404 Not Found `"Not found"`
   - On success: 200 OK `{}`
 
-## `GET /api/pleroma/admin/config/migrate_to_db`
-
-### Run mix task pleroma.config migrate_to_db
-
-Copies `pleroma` environment settings to the database.
-
-- Params: none
-- Response:
-
-```json
-{}
-```
-
 ## `GET /api/pleroma/admin/config/migrate_from_db`
 
 ### Run mix task pleroma.config migrate_from_db
@@ -686,6 +673,8 @@ Copies all settings from database to `config/{env}.exported_from_db.secret.exs`
 
 - Params: none
 - Response:
+  - On failure:
+    - 400 Bad Request `"To use this endpoint you need to enable dynamic configuration."`
 
 ```json
 {}
@@ -699,6 +688,9 @@ Copies all settings from database to `config/{env}.exported_from_db.secret.exs`
 
 - Params: none
 - Response:
+  - On failure:
+    - 400 Bad Request `"To use this endpoint you need to enable dynamic configuration."`
+    - 400 Bad Request `"To use dynamic configuration migrate your settings to database."`
 
 ```json
 {
@@ -831,7 +823,8 @@ config :quack,
 ```
 
 - Response:
-
+  - On failure:
+    - 400 Bad Request `"To use this endpoint you need to enable dynamic configuration."`
 ```json
 {
   configs: [
diff --git a/lib/pleroma/web/admin_api/admin_api_controller.ex b/lib/pleroma/web/admin_api/admin_api_controller.ex
index 376f88061..23dcbedba 100644
--- a/lib/pleroma/web/admin_api/admin_api_controller.ex
+++ b/lib/pleroma/web/admin_api/admin_api_controller.ex
@@ -778,71 +778,77 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     |> render("index.json", %{log: log})
   end
 
-  def migrate_to_db(conn, _params) do
-    Mix.Tasks.Pleroma.Config.run(["migrate_to_db"])
-    json(conn, %{})
-  end
-
-  def migrate_from_db(conn, _params) do
-    Mix.Tasks.Pleroma.Config.run([
-      "migrate_from_db",
-      "--env",
-      to_string(Pleroma.Config.get(:env)),
-      "-d"
-    ])
-
-    json(conn, %{})
-  end
-
   def config_descriptions(conn, _params) do
     conn
     |> Plug.Conn.put_resp_content_type("application/json")
     |> Plug.Conn.send_resp(200, @descriptions_json)
   end
 
-  def config_show(conn, _params) do
-    configs = Pleroma.Repo.all(Config)
+  def migrate_from_db(conn, _params) do
+    with :ok <- check_dynamic_configuration(conn) do
+      Mix.Tasks.Pleroma.Config.run([
+        "migrate_from_db",
+        "--env",
+        to_string(Pleroma.Config.get(:env)),
+        "-d"
+      ])
 
-    conn
-    |> put_view(ConfigView)
-    |> render("index.json", %{configs: configs})
+      json(conn, %{})
+    end
+  end
+
+  def config_show(conn, _params) do
+    with :ok <- check_dynamic_configuration(conn) do
+      configs = Pleroma.Repo.all(Config)
+
+      if configs == [] do
+        errors(conn, {:error, "To use dynamic configuration migrate your settings to database."})
+      else
+        conn
+        |> put_view(ConfigView)
+        |> render("index.json", %{configs: configs})
+      end
+    end
   end
 
   def config_update(conn, %{"configs" => configs}) do
-    updated =
-      if Pleroma.Config.get([:instance, :dynamic_configuration]) do
-        updated =
-          Enum.map(configs, fn
-            %{"group" => group, "key" => key, "delete" => "true"} = params ->
-              with {:ok, config} <-
-                     Config.delete(%{group: group, key: key, subkeys: params["subkeys"]}) do
-                config
-              end
+    with :ok <- check_dynamic_configuration(conn) do
+      updated =
+        Enum.map(configs, fn
+          %{"group" => group, "key" => key, "delete" => "true"} = params ->
+            with {:ok, config} <-
+                   Config.delete(%{group: group, key: key, subkeys: params["subkeys"]}) do
+              config
+            end
 
-            %{"group" => group, "key" => key, "value" => value} ->
-              with {:ok, config} <-
-                     Config.update_or_create(%{group: group, key: key, value: value}) do
-                config
-              end
-          end)
-          |> Enum.reject(&is_nil(&1))
+          %{"group" => group, "key" => key, "value" => value} ->
+            with {:ok, config} <-
+                   Config.update_or_create(%{group: group, key: key, value: value}) do
+              config
+            end
+        end)
+        |> Enum.reject(&is_nil(&1))
 
-        Pleroma.Config.TransferTask.load_and_update_env()
+      Pleroma.Config.TransferTask.load_and_update_env()
 
-        Mix.Tasks.Pleroma.Config.run([
-          "migrate_from_db",
-          "--env",
-          to_string(Pleroma.Config.get(:env))
-        ])
+      Mix.Tasks.Pleroma.Config.run([
+        "migrate_from_db",
+        "--env",
+        to_string(Pleroma.Config.get(:env))
+      ])
 
-        updated
-      else
-        []
-      end
+      conn
+      |> put_view(ConfigView)
+      |> render("index.json", %{configs: updated})
+    end
+  end
 
-    conn
-    |> put_view(ConfigView)
-    |> render("index.json", %{configs: updated})
+  defp check_dynamic_configuration(conn) do
+    if Pleroma.Config.get([:instance, :dynamic_configuration]) do
+      :ok
+    else
+      errors(conn, {:error, "To use this endpoint you need to enable dynamic configuration."})
+    end
   end
 
   def reload_emoji(conn, _params) do
diff --git a/test/tasks/config_test.exs b/test/tasks/config_test.exs
index dfe3904ca..74451a9e8 100644
--- a/test/tasks/config_test.exs
+++ b/test/tasks/config_test.exs
@@ -24,8 +24,8 @@ defmodule Mix.Tasks.Pleroma.ConfigTest do
   end
 
   test "settings are migrated to db" do
-    initial = Application.get_all_env(:quack)
-    on_exit(fn -> Application.put_all_env([{:quack, initial}]) end)
+    initial = Application.get_env(:quack, :level)
+    on_exit(fn -> Application.put_env(:quack, :level, initial) end)
     assert Repo.all(Config) == []
 
     Application.put_env(:pleroma, :first_setting, key: "value", key2: [Repo])
diff --git a/test/web/admin_api/admin_api_controller_test.exs b/test/web/admin_api/admin_api_controller_test.exs
index e2e10d3f8..41d2c4212 100644
--- a/test/web/admin_api/admin_api_controller_test.exs
+++ b/test/web/admin_api/admin_api_controller_test.exs
@@ -1929,16 +1929,31 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIControllerTest do
   end
 
   describe "GET /api/pleroma/admin/config" do
+    clear_config([:instance, :dynamic_configuration]) do
+      Pleroma.Config.put([:instance, :dynamic_configuration], true)
+    end
+
     setup %{conn: conn} do
       admin = insert(:user, is_admin: true)
 
       %{conn: assign(conn, :user, admin)}
     end
 
+    test "when dynamic configuration is off", %{conn: conn} do
+      initial = Pleroma.Config.get([:instance, :dynamic_configuration])
+      Pleroma.Config.put([:instance, :dynamic_configuration], false)
+      on_exit(fn -> Pleroma.Config.put([:instance, :dynamic_configuration], initial) end)
+      conn = get(conn, "/api/pleroma/admin/config")
+
+      assert json_response(conn, 400) ==
+               "To use this endpoint you need to enable dynamic configuration."
+    end
+
     test "without any settings in db", %{conn: conn} do
       conn = get(conn, "/api/pleroma/admin/config")
 
-      assert json_response(conn, 200) == %{"configs" => []}
+      assert json_response(conn, 400) ==
+               "To use dynamic configuration migrate your settings to database."
     end
 
     test "with settings in db", %{conn: conn} do
@@ -1966,6 +1981,18 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIControllerTest do
     end
   end
 
+  test "POST /api/pleroma/admin/config error" do
+    admin = insert(:user, is_admin: true)
+
+    conn =
+      build_conn()
+      |> assign(:user, admin)
+      |> post("/api/pleroma/admin/config", %{"configs" => []})
+
+    assert json_response(conn, 400) ==
+             "To use this endpoint you need to enable dynamic configuration."
+  end
+
   describe "POST /api/pleroma/admin/config" do
     setup %{conn: conn} do
       admin = insert(:user, is_admin: true)
@@ -2101,8 +2128,15 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIControllerTest do
     end
 
     test "save config setting without key", %{conn: conn} do
-      initial = Application.get_all_env(:quack)
-      on_exit(fn -> Application.put_all_env([{:quack, initial}]) end)
+      level = Application.get_env(:quack, :level)
+      meta = Application.get_env(:quack, :meta)
+      webhook_url = Application.get_env(:quack, :webhook_url)
+
+      on_exit(fn ->
+        Application.put_env(:quack, :level, level)
+        Application.put_env(:quack, :meta, meta)
+        Application.put_env(:quack, :webhook_url, webhook_url)
+      end)
 
       conn =
         post(conn, "/api/pleroma/admin/config", %{
@@ -2640,16 +2674,13 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIControllerTest do
     setup %{conn: conn} do
       admin = insert(:user, is_admin: true)
 
-      temp_file = "config/test.exported_from_db.secret.exs"
-
       Mix.shell(Mix.Shell.Quiet)
 
       on_exit(fn ->
         Mix.shell(Mix.Shell.IO)
-        :ok = File.rm(temp_file)
       end)
 
-      %{conn: assign(conn, :user, admin), admin: admin}
+      %{conn: assign(conn, :user, admin)}
     end
 
     clear_config([:instance, :dynamic_configuration]) do
@@ -2660,20 +2691,28 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIControllerTest do
       Pleroma.Config.put([:feed, :post_title], %{max_length: 100, omission: "…"})
     end
 
-    test "transfer settings to DB and to file", %{conn: conn, admin: admin} do
+    test "transfer settings to DB and to file", %{conn: conn} do
+      on_exit(fn -> :ok = File.rm("config/test.exported_from_db.secret.exs") end)
       assert Pleroma.Repo.all(Pleroma.Web.AdminAPI.Config) == []
-      conn = get(conn, "/api/pleroma/admin/config/migrate_to_db")
-      assert json_response(conn, 200) == %{}
+      Mix.Tasks.Pleroma.Config.run(["migrate_to_db"])
       assert Pleroma.Repo.all(Pleroma.Web.AdminAPI.Config) > 0
 
-      conn =
-        build_conn()
-        |> assign(:user, admin)
-        |> get("/api/pleroma/admin/config/migrate_from_db")
+      conn = get(conn, "/api/pleroma/admin/config/migrate_from_db")
 
       assert json_response(conn, 200) == %{}
       assert Pleroma.Repo.all(Pleroma.Web.AdminAPI.Config) == []
     end
+
+    test "returns error if dynamic configuration is off", %{conn: conn} do
+      initial = Pleroma.Config.get([:instance, :dynamic_configuration])
+      on_exit(fn -> Pleroma.Config.put([:instance, :dynamic_configuration], initial) end)
+      Pleroma.Config.put([:instance, :dynamic_configuration], false)
+
+      conn = get(conn, "/api/pleroma/admin/config/migrate_from_db")
+
+      assert json_response(conn, 400) ==
+               "To use this endpoint you need to enable dynamic configuration."
+    end
   end
 
   describe "GET /api/pleroma/admin/users/:nickname/statuses" do