diff --git a/lib/pleroma/scheduled_activity.ex b/lib/pleroma/scheduled_activity.ex
new file mode 100644
index 000000000..0c1b26a33
--- /dev/null
+++ b/lib/pleroma/scheduled_activity.ex
@@ -0,0 +1,74 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.ScheduledActivity do
+  use Ecto.Schema
+
+  alias Pleroma.Repo
+  alias Pleroma.ScheduledActivity
+  alias Pleroma.User
+
+  import Ecto.Query
+  import Ecto.Changeset
+
+  schema "scheduled_activities" do
+    belongs_to(:user, User, type: Pleroma.FlakeId)
+    field(:scheduled_at, :naive_datetime)
+    field(:params, :map)
+
+    timestamps()
+  end
+
+  def changeset(%ScheduledActivity{} = scheduled_activity, attrs) do
+    scheduled_activity
+    |> cast(attrs, [:scheduled_at, :params])
+  end
+
+  def update_changeset(%ScheduledActivity{} = scheduled_activity, attrs) do
+    scheduled_activity
+    |> cast(attrs, [:scheduled_at])
+  end
+
+  def new(%User{} = user, attrs) do
+    %ScheduledActivity{user_id: user.id}
+    |> changeset(attrs)
+  end
+
+  def create(%User{} = user, attrs) do
+    user
+    |> new(attrs)
+    |> Repo.insert()
+  end
+
+  def get(%User{} = user, scheduled_activity_id) do
+    ScheduledActivity
+    |> where(user_id: ^user.id)
+    |> where(id: ^scheduled_activity_id)
+    |> Repo.one()
+  end
+
+  def update(%User{} = user, scheduled_activity_id, attrs) do
+    with %ScheduledActivity{} = scheduled_activity <- get(user, scheduled_activity_id) do
+      scheduled_activity
+      |> update_changeset(attrs)
+      |> Repo.update()
+    else
+      nil -> {:error, :not_found}
+    end
+  end
+
+  def delete(%User{} = user, scheduled_activity_id) do
+    with %ScheduledActivity{} = scheduled_activity <- get(user, scheduled_activity_id) do
+      scheduled_activity
+      |> Repo.delete()
+    else
+      nil -> {:error, :not_found}
+    end
+  end
+
+  def for_user_query(%User{} = user) do
+    ScheduledActivity
+    |> where(user_id: ^user.id)
+  end
+end
diff --git a/lib/pleroma/web/mastodon_api/mastodon_api.ex b/lib/pleroma/web/mastodon_api/mastodon_api.ex
index 08ea5f967..382f07e6b 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api.ex
@@ -5,6 +5,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPI do
   alias Pleroma.Activity
   alias Pleroma.Notification
   alias Pleroma.Pagination
+  alias Pleroma.ScheduledActivity
   alias Pleroma.User
 
   def get_followers(user, params \\ %{}) do
@@ -28,6 +29,12 @@ def get_notifications(user, params \\ %{}) do
     |> Pagination.fetch_paginated(params)
   end
 
+  def get_scheduled_activities(user, params \\ %{}) do
+    user
+    |> ScheduledActivity.for_user_query()
+    |> Pagination.fetch_paginated(params)
+  end
+
   defp cast_params(params) do
     param_types = %{
       exclude_types: {:array, :string}
diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
index bcc79b08a..0916d84dc 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
@@ -11,6 +11,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Repo
+  alias Pleroma.ScheduledActivity
   alias Pleroma.Stats
   alias Pleroma.User
   alias Pleroma.Web
@@ -25,6 +26,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Web.MastodonAPI.MastodonView
   alias Pleroma.Web.MastodonAPI.NotificationView
   alias Pleroma.Web.MastodonAPI.ReportView
+  alias Pleroma.Web.MastodonAPI.ScheduledActivityView
   alias Pleroma.Web.MastodonAPI.StatusView
   alias Pleroma.Web.MediaProxy
   alias Pleroma.Web.OAuth.App
@@ -364,6 +366,45 @@ def get_context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
     end
   end
 
+  def scheduled_statuses(%{assigns: %{user: user}} = conn, params) do
+    with scheduled_activities <- MastodonAPI.get_scheduled_activities(user, params) do
+      conn
+      |> add_link_headers(:scheduled_statuses, scheduled_activities)
+      |> put_view(ScheduledActivityView)
+      |> render("index.json", %{scheduled_activities: scheduled_activities})
+    end
+  end
+
+  def show_scheduled_status(%{assigns: %{user: user}} = conn, %{"id" => scheduled_activity_id}) do
+    with %ScheduledActivity{} = scheduled_activity <-
+           ScheduledActivity.get(user, scheduled_activity_id) do
+      conn
+      |> put_view(ScheduledActivityView)
+      |> render("show.json", %{scheduled_activity: scheduled_activity})
+    else
+      _ -> {:error, :not_found}
+    end
+  end
+
+  def update_scheduled_status(
+        %{assigns: %{user: user}} = conn,
+        %{"id" => scheduled_activity_id} = params
+      ) do
+    with {:ok, scheduled_activity} <-
+           ScheduledActivity.update(user, scheduled_activity_id, params) do
+      conn
+      |> put_view(ScheduledActivityView)
+      |> render("show.json", %{scheduled_activity: scheduled_activity})
+    end
+  end
+
+  def delete_scheduled_status(%{assigns: %{user: user}} = conn, %{"id" => scheduled_activity_id}) do
+    with {:ok, %ScheduledActivity{}} <- ScheduledActivity.delete(user, scheduled_activity_id) do
+      conn
+      |> json(%{})
+    end
+  end
+
   def post_status(conn, %{"status" => "", "media_ids" => media_ids} = params)
       when length(media_ids) > 0 do
     params =
@@ -1406,6 +1447,12 @@ def delete_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
 
   # fallback action
   #
+  def errors(conn, {:error, :not_found}) do
+    conn
+    |> put_status(404)
+    |> json(%{error: "Record not found"})
+  end
+
   def errors(conn, _) do
     conn
     |> put_status(500)
diff --git a/lib/pleroma/web/mastodon_api/views/scheduled_activity_view.ex b/lib/pleroma/web/mastodon_api/views/scheduled_activity_view.ex
new file mode 100644
index 000000000..87aa3729e
--- /dev/null
+++ b/lib/pleroma/web/mastodon_api/views/scheduled_activity_view.ex
@@ -0,0 +1,23 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MastodonAPI.ScheduledActivityView do
+  use Pleroma.Web, :view
+
+  alias Pleroma.ScheduledActivity
+  alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.MastodonAPI.ScheduledActivityView
+
+  def render("index.json", %{scheduled_activities: scheduled_activities}) do
+    render_many(scheduled_activities, ScheduledActivityView, "show.json")
+  end
+
+  def render("show.json", %{scheduled_activity: %ScheduledActivity{} = scheduled_activity}) do
+    %{
+      id: scheduled_activity.id |> to_string,
+      scheduled_at: scheduled_activity.scheduled_at |> CommonAPI.Utils.to_masto_date(),
+      params: scheduled_activity.params
+    }
+  end
+end
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 1c752e44c..3b5ac6fdd 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -244,6 +244,9 @@ defmodule Pleroma.Web.Router do
       get("/notifications", MastodonAPIController, :notifications)
       get("/notifications/:id", MastodonAPIController, :get_notification)
 
+      get("/scheduled_statuses", MastodonAPIController, :scheduled_statuses)
+      get("/scheduled_statuses/:id", MastodonAPIController, :show_scheduled_status)
+
       get("/lists", MastodonAPIController, :get_lists)
       get("/lists/:id", MastodonAPIController, :get_list)
       get("/lists/:id/accounts", MastodonAPIController, :list_accounts)
@@ -278,6 +281,9 @@ defmodule Pleroma.Web.Router do
       post("/statuses/:id/mute", MastodonAPIController, :mute_conversation)
       post("/statuses/:id/unmute", MastodonAPIController, :unmute_conversation)
 
+      put("/scheduled_statuses/:id", MastodonAPIController, :update_scheduled_status)
+      delete("/scheduled_statuses/:id", MastodonAPIController, :delete_scheduled_status)
+
       post("/media", MastodonAPIController, :upload)
       put("/media/:id", MastodonAPIController, :update_media)
 
diff --git a/priv/repo/migrations/20190328053912_create_scheduled_activities.exs b/priv/repo/migrations/20190328053912_create_scheduled_activities.exs
new file mode 100644
index 000000000..dc2436dce
--- /dev/null
+++ b/priv/repo/migrations/20190328053912_create_scheduled_activities.exs
@@ -0,0 +1,15 @@
+defmodule Pleroma.Repo.Migrations.CreateScheduledActivities do
+  use Ecto.Migration
+
+  def change do
+    create table(:scheduled_activities) do
+      add(:user_id, references(:users, type: :uuid, on_delete: :delete_all))
+      add(:scheduled_at, :naive_datetime, null: false)
+      add(:params, :map, null: false)
+
+      timestamps()
+    end
+
+    create(index(:scheduled_activities, [:scheduled_at]))
+  end
+end
diff --git a/test/support/factory.ex b/test/support/factory.ex
index b37bc2c07..667f59e8c 100644
--- a/test/support/factory.ex
+++ b/test/support/factory.ex
@@ -23,6 +23,14 @@ def user_factory do
     }
   end
 
+  def scheduled_activity_factory do
+    %Pleroma.ScheduledActivity{
+      user: build(:user),
+      scheduled_at: NaiveDateTime.add(NaiveDateTime.utc_now(), :timer.minutes(60), :millisecond),
+      params: build(:note) |> Map.from_struct() |> Map.get(:data)
+    }
+  end
+
   def note_factory(attrs \\ %{}) do
     text = sequence(:text, &"This is :moominmamma: note #{&1}")
 
diff --git a/test/web/mastodon_api/mastodon_api_controller_test.exs b/test/web/mastodon_api/mastodon_api_controller_test.exs
index 438e9507d..864c0ad4d 100644
--- a/test/web/mastodon_api/mastodon_api_controller_test.exs
+++ b/test/web/mastodon_api/mastodon_api_controller_test.exs
@@ -10,6 +10,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Repo
+  alias Pleroma.ScheduledActivity
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.CommonAPI
@@ -2407,4 +2408,107 @@ test "redirects to the getting-started page when referer is not present", %{conn
       assert redirected_to(conn) == "/web/getting-started"
     end
   end
+
+  describe "scheduled activities" do
+    test "shows scheduled activities", %{conn: conn} do
+      user = insert(:user)
+      scheduled_activity_id1 = insert(:scheduled_activity, user: user).id |> to_string()
+      scheduled_activity_id2 = insert(:scheduled_activity, user: user).id |> to_string()
+      scheduled_activity_id3 = insert(:scheduled_activity, user: user).id |> to_string()
+      scheduled_activity_id4 = insert(:scheduled_activity, user: user).id |> to_string()
+
+      conn =
+        conn
+        |> assign(:user, user)
+
+      # min_id
+      conn_res =
+        conn
+        |> get("/api/v1/scheduled_statuses?limit=2&min_id=#{scheduled_activity_id1}")
+
+      result = json_response(conn_res, 200)
+      assert [%{"id" => ^scheduled_activity_id3}, %{"id" => ^scheduled_activity_id2}] = result
+
+      # since_id
+      conn_res =
+        conn
+        |> get("/api/v1/scheduled_statuses?limit=2&since_id=#{scheduled_activity_id1}")
+
+      result = json_response(conn_res, 200)
+      assert [%{"id" => ^scheduled_activity_id4}, %{"id" => ^scheduled_activity_id3}] = result
+
+      # max_id
+      conn_res =
+        conn
+        |> get("/api/v1/scheduled_statuses?limit=2&max_id=#{scheduled_activity_id4}")
+
+      result = json_response(conn_res, 200)
+      assert [%{"id" => ^scheduled_activity_id3}, %{"id" => ^scheduled_activity_id2}] = result
+    end
+
+    test "shows a scheduled activity", %{conn: conn} do
+      user = insert(:user)
+      scheduled_activity = insert(:scheduled_activity, user: user)
+
+      res_conn =
+        conn
+        |> assign(:user, user)
+        |> get("/api/v1/scheduled_statuses/#{scheduled_activity.id}")
+
+      assert %{"id" => scheduled_activity_id} = json_response(res_conn, 200)
+      assert scheduled_activity_id == scheduled_activity.id |> to_string()
+
+      res_conn =
+        conn
+        |> assign(:user, user)
+        |> get("/api/v1/scheduled_statuses/404")
+
+      assert %{"error" => "Record not found"} = json_response(res_conn, 404)
+    end
+
+    test "updates a scheduled activity", %{conn: conn} do
+      user = insert(:user)
+      scheduled_activity = insert(:scheduled_activity, user: user)
+
+      new_scheduled_at =
+        NaiveDateTime.add(NaiveDateTime.utc_now(), :timer.minutes(120), :millisecond)
+
+      res_conn =
+        conn
+        |> assign(:user, user)
+        |> put("/api/v1/scheduled_statuses/#{scheduled_activity.id}", %{
+          scheduled_at: new_scheduled_at
+        })
+
+      assert %{"scheduled_at" => expected_scheduled_at} = json_response(res_conn, 200)
+      assert expected_scheduled_at == Pleroma.Web.CommonAPI.Utils.to_masto_date(new_scheduled_at)
+
+      res_conn =
+        conn
+        |> assign(:user, user)
+        |> put("/api/v1/scheduled_statuses/404", %{scheduled_at: new_scheduled_at})
+
+      assert %{"error" => "Record not found"} = json_response(res_conn, 404)
+    end
+
+    test "deletes a scheduled activity", %{conn: conn} do
+      user = insert(:user)
+      scheduled_activity = insert(:scheduled_activity, user: user)
+
+      res_conn =
+        conn
+        |> assign(:user, user)
+        |> delete("/api/v1/scheduled_statuses/#{scheduled_activity.id}")
+
+      assert %{} = json_response(res_conn, 200)
+      assert nil == Repo.get(ScheduledActivity, scheduled_activity.id)
+
+      res_conn =
+        conn
+        |> assign(:user, user)
+        |> delete("/api/v1/scheduled_statuses/#{scheduled_activity.id}")
+
+      assert %{"error" => "Record not found"} = json_response(res_conn, 404)
+    end
+  end
 end