diff --git a/src/activitystream/activity.rs b/src/activitystream/activity.rs
new file mode 100644
index 00000000..10586e60
--- /dev/null
+++ b/src/activitystream/activity.rs
@@ -0,0 +1,4 @@
+pub trait Activity : super::Object {
+	fn actor(&self) -> Option<&super::ObjectOrLink> { None }
+	fn object(&self) -> Option<&super::ObjectOrLink> { None }
+}
diff --git a/src/activitystream/mod.rs b/src/activitystream/mod.rs
new file mode 100644
index 00000000..3837ac9e
--- /dev/null
+++ b/src/activitystream/mod.rs
@@ -0,0 +1,7 @@
+
+pub mod object;
+pub use object::{Object, Link, ObjectOrLink};
+
+
+pub mod activity;
+pub use activity::Activity;
diff --git a/src/activitystream/object.rs b/src/activitystream/object.rs
new file mode 100644
index 00000000..72c7fad8
--- /dev/null
+++ b/src/activitystream/object.rs
@@ -0,0 +1,82 @@
+pub enum ObjectOrLink {
+	Object(Box<dyn Object>),
+	Link(Box<dyn Link>),
+}
+
+impl From<serde_json::Value> for ObjectOrLink {
+	fn from(value: serde_json::Value) -> Self {
+		if value.get("href").is_some() {
+			Self::Link(Box::new(value))
+		} else {
+			Self::Object(Box::new(value))
+		}
+	}
+}
+
+pub trait Link {
+	fn href(&self) -> Option<&str> { None }
+	fn rel(&self) -> Option<&str> { None }
+	fn media_type(&self) -> Option<&str> { None } // also in obj
+	fn name(&self) -> Option<&str> { None }       // also in obj
+	fn hreflang(&self) -> Option<&str> { None }
+	fn height(&self) -> Option<&str> { None }
+	fn width(&self) -> Option<&str> { None }
+	fn preview(&self) -> Option<&str> { None }    // also in obj
+}
+
+
+pub trait Object {
+	fn id(&self) -> Option<&str> { None }
+	fn object_type(&self) -> Option<&str> { None }
+	fn attachment (&self) -> Option<&str> { None }
+	fn attributed_to (&self) -> Option<&str> { None }
+	fn audience (&self) -> Option<&str> { None }
+	fn content (&self) -> Option<&str> { None } 
+	fn context (&self) -> Option<&str> { None }
+	fn name (&self) -> Option<&str> { None }
+	fn end_time (&self) -> Option<&str> { None }
+	fn generator (&self) -> Option<&str> { None }
+	fn icon (&self) -> Option<&str> { None }
+	fn image (&self) -> Option<&str> { None }
+	fn in_reply_to (&self) -> Option<&str> { None }
+	fn location (&self) -> Option<&str> { None }
+	fn preview (&self) -> Option<&str> { None }
+	fn published (&self) -> Option<&str> { None }
+	fn replies (&self) -> Option<&str> { None }
+	fn start_time (&self) -> Option<&str> { None }
+	fn summary (&self) -> Option<&str> { None }
+	fn tag (&self) -> Option<&str> { None }
+	fn updated (&self) -> Option<&str> { None }
+	fn url (&self) -> Option<&str> { None }
+	fn to (&self) -> Option<&str> { None }
+	fn bto (&self) -> Option<&str> { None }
+	fn cc (&self) -> Option<&str> { None }
+	fn bcc (&self) -> Option<&str> { None }
+	fn media_type (&self) -> Option<&str> { None }
+	fn duration (&self) -> Option<&str> { None }
+}
+
+/// impl for empty object
+impl Object for () {}
+
+// TODO only Value::Object is a valid Object, but rn "asd" behaves like {} (both are valid...)
+/// impl for any json value
+impl Object for serde_json::Value {
+	fn id(&self) -> Option<&str> {
+		self.get("id")?.as_str()
+	}
+
+	fn object_type(&self) -> Option<&str> {
+		self.get("type")?.as_str()
+	}
+
+	// ...
+}
+
+impl Link for serde_json::Value {
+	fn href(&self) -> Option<&str> {
+		self.get("href")?.as_str()
+	}
+
+	// ...
+}
diff --git a/src/main.rs b/src/main.rs
index ad40dbec..7dbb9b40 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,5 @@
 pub mod model;
+pub mod activitystream;
 
 use axum::{
 	routing::get,