diff --git a/wifi/aidl/default/aidl_callback_util.h b/wifi/aidl/default/aidl_callback_util.h
index 2419db9..d077683 100644
--- a/wifi/aidl/default/aidl_callback_util.h
+++ b/wifi/aidl/default/aidl_callback_util.h
@@ -26,6 +26,7 @@
 namespace {
 std::unordered_map<void* /* callback */, void* /* handler */> callback_handler_map_;
 std::mutex callback_handler_lock_;
+int32_t min_callback_version_ = INT_MAX;
 }
 
 namespace aidl {
@@ -50,6 +51,13 @@
             return false;
         }
 
+        // Callback interface version indicates which methods are available
+        int callbackVersion = getCallbackInterfaceVersion(cb);
+        if (callbackVersion < min_callback_version_) {
+            LOG(INFO) << "Setting min callback version to " << callbackVersion;
+            min_callback_version_ = callbackVersion;
+        }
+
         std::unique_lock<std::mutex> lk(callback_handler_lock_);
         void* cbPtr = reinterpret_cast<void*>(cb->asBinder().get());
         const auto& cbPosition = findCbInSet(cbPtr);
@@ -111,6 +119,8 @@
         // unique_lock unlocked here
     }
 
+    int32_t getMinCallbackVersion() { return min_callback_version_; }
+
   private:
     std::set<std::shared_ptr<CallbackType>> cb_set_;
     AIBinder_DeathRecipient* death_handler_;
@@ -145,6 +155,15 @@
         }
     }
 
+    static int32_t getCallbackInterfaceVersion(std::shared_ptr<CallbackType> callback) {
+        int32_t callbackVersion;
+        if (!callback->getInterfaceVersion(&callbackVersion).isOk()) {
+            LOG(ERROR) << "Unable to check the callback version";
+            return INT_MAX;
+        }
+        return callbackVersion;
+    }
+
     DISALLOW_COPY_AND_ASSIGN(AidlCallbackHandler);
 };
 
diff --git a/wifi/aidl/default/wifi_nan_iface.cpp b/wifi/aidl/default/wifi_nan_iface.cpp
index cefe7f7..9d50798 100644
--- a/wifi/aidl/default/wifi_nan_iface.cpp
+++ b/wifi/aidl/default/wifi_nan_iface.cpp
@@ -672,6 +672,10 @@
     return ifname_;
 }
 
+int32_t WifiNanIface::getMinCallbackVersion() {
+    return event_cb_handler_.getMinCallbackVersion();
+}
+
 std::set<std::shared_ptr<IWifiNanIfaceEventCallback>> WifiNanIface::getEventCallbacks() {
     LOG(ERROR) << "Using original getEventCallbacks";
     return event_cb_handler_.getCallbacks();
diff --git a/wifi/aidl/default/wifi_nan_iface.h b/wifi/aidl/default/wifi_nan_iface.h
index a49ae8c..d2d1d5c 100644
--- a/wifi/aidl/default/wifi_nan_iface.h
+++ b/wifi/aidl/default/wifi_nan_iface.h
@@ -134,6 +134,8 @@
     ndk::ScopedAStatus suspendRequestInternal(char16_t in_cmdId, int8_t sessionId);
     ndk::ScopedAStatus resumeRequestInternal(char16_t in_cmdId, int8_t sessionId);
 
+    int32_t getMinCallbackVersion();
+
     // Overridden in the gTest suite.
     virtual std::set<std::shared_ptr<IWifiNanIfaceEventCallback>> getEventCallbacks();