diff --git a/libp2panda/src/topic.rs b/libp2panda/src/topic.rs
index e6eb4b0..491781a 100644
--- a/libp2panda/src/topic.rs
+++ b/libp2panda/src/topic.rs
@@ -217,6 +217,21 @@ pub unsafe extern "C" fn p2panda_topic_id_new() -> *mut topic::TopicId {
     topic::TopicId::new().into_glib_ptr()
 }
 
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn p2panda_topic_id_new_from_data(
+    data: *const [u8; 32],
+) -> *mut topic::TopicId {
+    unsafe { topic::TopicId::from_data(*data).into_glib_ptr() }
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn p2panda_topic_id_get_data(topic_id: *mut topic::TopicId) -> *const [u8; 32] {
+    unsafe {
+        let topic_id = topic::TopicId::from_glib_none(topic_id);
+        topic_id.into_glib_ptr() as *const [u8; 32]
+    }
+}
+
 #[unsafe(no_mangle)]
 pub unsafe extern "C" fn p2panda_topic_id_copy(
     topic_id: *mut topic::TopicId,