diff --git a/src/main.rs b/src/main.rs
index 232eb499..c0217808 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -83,6 +83,7 @@ fn main() {
             routes::blogs::create,
 
             routes::posts::details,
+            routes::posts::activity_details,
             routes::posts::new,
             routes::posts::new_auth,
             routes::posts::create
diff --git a/src/routes/posts.rs b/src/routes/posts.rs
index 5dcb8482..571f1b41 100644
--- a/src/routes/posts.rs
+++ b/src/routes/posts.rs
@@ -4,7 +4,9 @@ use rocket::response::Redirect;
 use rocket_contrib::Template;
 use std::collections::HashMap;
 
+use activity_pub::{context, activity_pub, ActivityPub};
 use activity_pub::activity::Create;
+use activity_pub::object::Object;
 use activity_pub::outbox::broadcast;
 use db_conn::DbConn;
 use models::blogs::*;
@@ -13,16 +15,21 @@ use models::posts::*;
 use models::users::User;
 use utils;
 
-#[get("/~/<blog>/<slug>", rank = 3)]
+#[get("/~/<blog>/<slug>", rank = 4)]
 fn details(blog: String, slug: String, conn: DbConn) -> String {
     let blog = Blog::find_by_actor_id(&*conn, blog).unwrap();
     let post = Post::find_by_slug(&*conn, slug).unwrap();
     format!("{} in {}", post.title, blog.title)
 }
 
-#[get("/~/<_blog>/new", rank = 1)]
-fn new(_blog: String, _user: User) -> Template {
-    Template::render("posts/new", HashMap::<String, String>::new())
+#[get("/~/<_blog>/<slug>", rank = 3, format = "application/activity+json")]
+fn activity_details(_blog: String, slug: String, conn: DbConn) -> ActivityPub {
+    // TODO: posts in different blogs may have the same slug
+    let post = Post::find_by_slug(&*conn, slug).unwrap();
+
+    let mut act = post.serialize(&*conn);
+    act["@context"] = context();
+    activity_pub(act)
 }
 
 #[get("/~/<_blog>/new", rank = 2)]
@@ -30,6 +37,11 @@ fn new_auth(_blog: String) -> Redirect {
     utils::requires_login()
 }
 
+#[get("/~/<_blog>/new", rank = 1)]
+fn new(_blog: String, _user: User) -> Template {
+    Template::render("posts/new", HashMap::<String, String>::new())
+}
+
 #[derive(FromForm)]
 struct NewPostForm {
     pub title: String,