diff --git a/services/tunnelbroker/src/cxx_bridge.rs b/services/tunnelbroker/src/cxx_bridge.rs
--- a/services/tunnelbroker/src/cxx_bridge.rs
+++ b/services/tunnelbroker/src/cxx_bridge.rs
@@ -53,6 +53,7 @@
     include!("tunnelbroker/src/libcpp/Tunnelbroker.h");
     pub fn initialize();
     pub fn getConfigParameter(parameter: &str) -> Result<String>;
+    pub fn isConfigParameterSet(parameter: &str) -> Result<bool>;
     pub fn isSandbox() -> Result<bool>;
     pub fn sessionSignatureHandler(deviceID: &str) -> SessionSignatureResult;
     pub fn getSavedNonceToSign(deviceID: &str) -> Result<String>;
diff --git a/services/tunnelbroker/src/libcpp/Tunnelbroker.h b/services/tunnelbroker/src/libcpp/Tunnelbroker.h
--- a/services/tunnelbroker/src/libcpp/Tunnelbroker.h
+++ b/services/tunnelbroker/src/libcpp/Tunnelbroker.h
@@ -5,6 +5,7 @@
 
 void initialize();
 rust::String getConfigParameter(rust::Str parameter);
+bool isConfigParameterSet(rust::Str parameter);
 bool isSandbox();
 SessionSignatureResult sessionSignatureHandler(rust::Str deviceID);
 rust::String getSavedNonceToSign(rust::Str deviceID);
diff --git a/services/tunnelbroker/src/libcpp/Tunnelbroker.cpp b/services/tunnelbroker/src/libcpp/Tunnelbroker.cpp
--- a/services/tunnelbroker/src/libcpp/Tunnelbroker.cpp
+++ b/services/tunnelbroker/src/libcpp/Tunnelbroker.cpp
@@ -46,6 +46,11 @@
           std::string{parameter})};
 }
 
+bool isConfigParameterSet(rust::Str parameter) {
+  return comm::network::config::ConfigManager::getInstance().isParameterSet(
+      std::string{parameter});
+}
+
 bool isSandbox() {
   return comm::network::tools::isSandbox();
 }