diff --git a/include/zenoh/api/ext/advanced_subscriber.hxx b/include/zenoh/api/ext/advanced_subscriber.hxx
index 670fadc..7b2eb6d 100644
--- a/include/zenoh/api/ext/advanced_subscriber.hxx
+++ b/include/zenoh/api/ext/advanced_subscriber.hxx
@@ -19,6 +19,7 @@
 #include "../interop.hxx"
 #include "../keyexpr.hxx"
 #include "../sample.hxx"
+#include "../source_info.hxx"
 #include "miss.hxx"
 
 namespace zenoh::ext {
@@ -183,6 +184,19 @@ class AdvancedSubscriberBase : public Owned<::ze_owned_advanced_subscriber_t> {
         return zenoh::Subscriber<typename Channel::template HandlerType<zenoh::Sample>>(
             std::move(s), std::move(cb_handler_pair.second));
     }
+
+    /// @brief Get the key expression of the advanced subscriber.
+    const KeyExpr& get_keyexpr() const {
+        return zenoh::interop::as_owned_cpp_ref<zenoh::KeyExpr>(
+            ::ze_advanced_subscriber_keyexpr(zenoh::interop::as_loaned_c_ptr(*this)));
+    }
+
+    /// @brief Get the id of the advanced subscriber.
+    /// @return id of this advanced subscriber.
+    EntityGlobalId get_id() const {
+        return zenoh::interop::into_copyable_cpp_obj<zenoh::EntityGlobalId>(
+            ::ze_advanced_subscriber_id(zenoh::interop::as_loaned_c_ptr(*this)));
+    }
 };
 }  // namespace detail
 
diff --git a/include/zenoh/api/subscriber.hxx b/include/zenoh/api/subscriber.hxx
index baf7eca..7b9342e 100644
--- a/include/zenoh/api/subscriber.hxx
+++ b/include/zenoh/api/subscriber.hxx
@@ -20,6 +20,9 @@
 #include "base.hxx"
 #include "interop.hxx"
 #include "keyexpr.hxx"
+#if defined(ZENOHCXX_ZENOHC) && defined(Z_FEATURE_UNSTABLE_API)
+#include "source_info.hxx"
+#endif
 
 namespace zenoh {
 
@@ -31,10 +34,20 @@ class SubscriberBase : public Owned<::z_owned_subscriber_t> {
     SubscriberBase(::z_owned_subscriber_t* s) : Owned(s){};
 
    public:
-    /// @brief Get the key expression of the subscriber
+    /// @brief Get the key expression of the subscriber.
     const KeyExpr& get_keyexpr() const {
         return interop::as_owned_cpp_ref<KeyExpr>(::z_subscriber_keyexpr(interop::as_loaned_c_ptr(*this)));
     }
+
+#if defined(ZENOHCXX_ZENOHC) && defined(Z_FEATURE_UNSTABLE_API)
+    /// @warning This API has been marked as unstable: it works as advertised, but it may be changed in a future
+    /// release.
+    /// @brief Get the id of the subscriber.
+    /// @return id of this subscriber.
+    EntityGlobalId get_id() const {
+        return interop::into_copyable_cpp_obj<EntityGlobalId>(::z_subscriber_id(interop::as_loaned_c_ptr(*this)));
+    }
+#endif
 };
 
 }  // namespace detail
diff --git a/zenoh-c b/zenoh-c
index 2f38959..17e7046 160000
--- a/zenoh-c
+++ b/zenoh-c
@@ -1 +1 @@
-Subproject commit 2f389597264c200d9ddf72bbabbfea878abd5179
+Subproject commit 17e70467834f080d8fe732de84378a5fd806f4d4