diff --git a/docs/Differences-in-MastodonAPI-Responses.md b/docs/Differences-in-MastodonAPI-Responses.md
index 3026e1173..667664f4e 100644
--- a/docs/Differences-in-MastodonAPI-Responses.md
+++ b/docs/Differences-in-MastodonAPI-Responses.md
@@ -13,3 +13,9 @@ Some apps operate under the assumption that no more than 4 attachments can be re
 ## Timelines
 
 Adding the parameter `with_muted=true` to the timeline queries will also return activities by muted (not by blocked!) users.
+
+## Statuses
+
+Has these additional fields under the `pleroma` object:
+
+- `local`: true if the post was made on the local instance.
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index 3468c0e1c..bf3aaf025 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -102,7 +102,10 @@ def render(
         website: nil
       },
       language: nil,
-      emojis: []
+      emojis: [],
+      pleroma: %{
+        local: activity.local
+      }
     }
   end
 
@@ -181,7 +184,10 @@ def render("status.json", %{activity: %{data: %{"object" => object}} = activity}
         website: nil
       },
       language: nil,
-      emojis: build_emojis(activity.data["object"]["emoji"])
+      emojis: build_emojis(activity.data["object"]["emoji"]),
+      pleroma: %{
+        local: activity.local
+      }
     }
   end
 
diff --git a/test/web/mastodon_api/status_view_test.exs b/test/web/mastodon_api/status_view_test.exs
index 351dbf673..485a0b4f7 100644
--- a/test/web/mastodon_api/status_view_test.exs
+++ b/test/web/mastodon_api/status_view_test.exs
@@ -120,7 +120,10 @@ test "a note activity" do
           static_url: "corndog.png",
           visible_in_picker: false
         }
-      ]
+      ],
+      pleroma: %{
+        local: true
+      }
     }
 
     assert status == expected