diff --git a/docs/10_fetching_objects_with_unknown_type.md b/docs/10_fetching_objects_with_unknown_type.md
index 793ec70..fca9ee1 100644
--- a/docs/10_fetching_objects_with_unknown_type.md
+++ b/docs/10_fetching_objects_with_unknown_type.md
@@ -32,10 +32,10 @@ impl Object for SearchableDbObjects {
     type Kind = SearchableObjects;
     type Error = anyhow::Error;
 
-    fn id(&self) -> &Url {
+    fn id(&self) -> Url {
         match self {
-            SearchableDbObjects::User(p) => &p.federation_id,
-            SearchableDbObjects::Post(n) => &n.federation_id,
+            SearchableDbObjects::User(p) => p.federation_id.clone(),
+            SearchableDbObjects::Post(n) => n.federation_id.clone(),
         }
     }
 
diff --git a/examples/live_federation/objects/person.rs b/examples/live_federation/objects/person.rs
index 44d0844..3a3fb9c 100644
--- a/examples/live_federation/objects/person.rs
+++ b/examples/live_federation/objects/person.rs
@@ -69,8 +69,8 @@ impl Object for DbUser {
     type Kind = Person;
     type Error = Error;
 
-    fn id(&self) -> &Url {
-        self.ap_id.inner()
+    fn id(&self) -> Url {
+        self.ap_id.inner().clone()
     }
 
     fn last_refreshed_at(&self) -> Option<DateTime<Utc>> {
diff --git a/examples/live_federation/objects/post.rs b/examples/live_federation/objects/post.rs
index 1d8d7e6..fc317de 100644
--- a/examples/live_federation/objects/post.rs
+++ b/examples/live_federation/objects/post.rs
@@ -50,8 +50,8 @@ impl Object for DbPost {
     type Kind = Note;
     type Error = Error;
 
-    fn id(&self) -> &Url {
-        self.ap_id.inner()
+    fn id(&self) -> Url {
+        self.ap_id.inner().clone()
     }
 
     async fn read_from_id(
diff --git a/examples/local_federation/objects/person.rs b/examples/local_federation/objects/person.rs
index 7dd6165..819572c 100644
--- a/examples/local_federation/objects/person.rs
+++ b/examples/local_federation/objects/person.rs
@@ -134,8 +134,8 @@ impl Object for DbUser {
     type Kind = Person;
     type Error = Error;
 
-    fn id(&self) -> &Url {
-        self.ap_id.inner()
+    fn id(&self) -> Url {
+        self.ap_id.inner().clone()
     }
 
     fn last_refreshed_at(&self) -> Option<DateTime<Utc>> {
diff --git a/examples/local_federation/objects/post.rs b/examples/local_federation/objects/post.rs
index 0de23fd..ff2c650 100644
--- a/examples/local_federation/objects/post.rs
+++ b/examples/local_federation/objects/post.rs
@@ -47,8 +47,8 @@ impl Object for DbPost {
     type Kind = Note;
     type Error = Error;
 
-    fn id(&self) -> &Url {
-        self.ap_id.inner()
+    fn id(&self) -> Url {
+        self.ap_id.inner().clone()
     }
 
     async fn read_from_id(
diff --git a/src/activity_sending.rs b/src/activity_sending.rs
index 14466e7..6efe28d 100644
--- a/src/activity_sending.rs
+++ b/src/activity_sending.rs
@@ -190,7 +190,7 @@ where
     // PKey is internally like an Arc<>, so cloning is ok
     data.config
         .actor_pkey_cache
-        .try_get_with_by_ref(actor_id, async {
+        .try_get_with_by_ref(&actor_id, async {
             let private_key_pem = actor.private_key_pem().ok_or_else(|| {
                 Error::Other(format!(
                     "Actor {actor_id} does not contain a private key for signing"
diff --git a/src/traits/either.rs b/src/traits/either.rs
index af647d7..e2e26a6 100644
--- a/src/traits/either.rs
+++ b/src/traits/either.rs
@@ -30,7 +30,7 @@ where
     type Error = E;
 
     /// `id` field of the object
-    fn id(&self) -> &Url {
+    fn id(&self) -> Url {
         match self {
             Either::Left(l) => l.id(),
             Either::Right(r) => r.id(),
diff --git a/src/traits/mod.rs b/src/traits/mod.rs
index 7262836..7e13cac 100644
--- a/src/traits/mod.rs
+++ b/src/traits/mod.rs
@@ -53,7 +53,7 @@ pub mod tests;
 ///     type Kind = Note;
 ///     type Error = anyhow::Error;
 ///
-/// fn id(&self) -> &Url { self.ap_id.inner() }
+/// fn id(&self) -> Url { self.ap_id.inner().clone() }
 ///
 /// async fn read_from_id(object_id: Url, data: &Data<Self::DataType>) -> Result<Option<Self>, Self::Error> {
 ///         // Attempt to read object from local database. Return Ok(None) if not found.
@@ -110,7 +110,7 @@ pub trait Object: Sized + Debug {
     type Error;
 
     /// `id` field of the object
-    fn id(&self) -> &Url;
+    fn id(&self) -> Url;
 
     /// Returns the last time this object was updated.
     ///
@@ -194,8 +194,8 @@ pub trait Object: Sized + Debug {
             redirect_remote_object,
         };
         let id = self.id();
-        let res = if !data.config.is_local_url(id) {
-            redirect_remote_object(id)
+        let res = if !data.config.is_local_url(&id) {
+            redirect_remote_object(&id)
         } else if !self.is_deleted() {
             let json = self.into_json(data).await?;
             create_http_response(json, federation_context)?
diff --git a/src/traits/tests.rs b/src/traits/tests.rs
index ae2ee84..f55b33b 100644
--- a/src/traits/tests.rs
+++ b/src/traits/tests.rs
@@ -73,8 +73,8 @@ impl Object for DbUser {
     type Kind = Person;
     type Error = Error;
 
-    fn id(&self) -> &Url {
-        &self.federation_id
+    fn id(&self) -> Url {
+        self.federation_id.clone()
     }
 
     async fn read_from_id(
@@ -179,7 +179,7 @@ impl Object for DbPost {
     type Kind = Note;
     type Error = Error;
 
-    fn id(&self) -> &Url {
+    fn id(&self) -> Url {
         todo!()
     }