diff --git a/changelog.d/mastodon_api_v2.add b/changelog.d/mastodon_api_v2.add
new file mode 100644
index 000000000..d53aa35c4
--- /dev/null
+++ b/changelog.d/mastodon_api_v2.add
@@ -0,0 +1 @@
+Add new parameters to /api/v2/instance: configuration[accounts][max_pinned_statuses] and configuration[statuses][characters_reserved_per_url]
diff --git a/lib/pleroma/web/api_spec/operations/instance_operation.ex b/lib/pleroma/web/api_spec/operations/instance_operation.ex
index 708b74b12..b6c411c07 100644
--- a/lib/pleroma/web/api_spec/operations/instance_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/instance_operation.ex
@@ -50,6 +50,15 @@ defmodule Pleroma.Web.ApiSpec.InstanceOperation do
     %Schema{
       type: :object,
       properties: %{
+        accounts: %Schema{
+          type: :object,
+          properties: %{
+            max_featured_tags: %Schema{
+              type: :integer,
+              description: "The maximum number of featured tags allowed for each account."
+            }
+          }
+        },
         uri: %Schema{type: :string, description: "The domain name of the instance"},
         title: %Schema{type: :string, description: "The title of the website"},
         description: %Schema{
@@ -272,6 +281,19 @@ defmodule Pleroma.Web.ApiSpec.InstanceOperation do
           type: :object,
           description: "Instance configuration",
           properties: %{
+            accounts: %Schema{
+              type: :object,
+              properties: %{
+                max_featured_tags: %Schema{
+                  type: :integer,
+                  description: "The maximum number of featured tags allowed for each account."
+                },
+                max_pinned_statuses: %Schema{
+                  type: :integer,
+                  description: "The maximum number of pinned statuses for each account."
+                }
+              }
+            },
             urls: %Schema{
               type: :object,
               properties: %{
@@ -285,6 +307,11 @@ defmodule Pleroma.Web.ApiSpec.InstanceOperation do
               type: :object,
               description: "A map with poll limits for local statuses",
               properties: %{
+                characters_reserved_per_url: %Schema{
+                  type: :integer,
+                  description:
+                    "Each URL in a status will be assumed to be exactly this many characters."
+                },
                 max_characters: %Schema{
                   type: :integer,
                   description: "Posts character limit (CW/Subject included in the counter)"
diff --git a/lib/pleroma/web/mastodon_api/views/instance_view.ex b/lib/pleroma/web/mastodon_api/views/instance_view.ex
index 210b46d2c..890dd3977 100644
--- a/lib/pleroma/web/mastodon_api/views/instance_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/instance_view.ex
@@ -213,6 +213,8 @@ defmodule Pleroma.Web.MastodonAPI.InstanceView do
 
   defp configuration2 do
     configuration()
+    |> put_in([:accounts, :max_pinned_statuses], Config.get([:instance, :max_pinned_statuses], 0))
+    |> put_in([:statuses, :characters_reserved_per_url], 0)
     |> Map.merge(%{
       urls: %{
         streaming: Pleroma.Web.Endpoint.websocket_url(),