diff --git a/src/clients/directory/mod.rs b/src/clients/directory/mod.rs
index cf9c11fc52..48f0b59a98 100644
--- a/src/clients/directory/mod.rs
+++ b/src/clients/directory/mod.rs
@@ -8,8 +8,12 @@ mod healthcheck;
 mod metrics;
 mod presence;
 
+pub struct Config {
+    pub base_url: String,
+}
+
 pub trait DirectoryClient {
-    fn new(base_url: String) -> Self;
+    fn new(config : Config) -> Self;
     fn get_topology(&self) -> Result<Topology, reqwest::Error>;
 //    fn send_provider_presence(&self) -> Result<ProviderPresenceResponse, reqwest::Error>;
 }
@@ -17,7 +21,7 @@ pub trait DirectoryClient {
 pub struct Client {}
 
 impl DirectoryClient for Client {
-    fn new(base_url: String) -> Client {
+    fn new(config: Config) -> Client {
         let topology = retrieve_topology().unwrap();
         Client {}
     }
diff --git a/src/main.rs b/src/main.rs
index 501733d9f5..7dbdbe919e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -55,7 +55,10 @@ fn run(matches: &ArgMatches) {
             let message = format!("Hello, Sphinx {}", i).as_bytes().to_vec();
 
             // set up the route
-            let directory= directory::Client::new("https://directory.nymtech.net".to_string());
+            let directory_config = directory::Config {
+                base_url: "https://directory.nymtech.net".to_string()
+            };
+            let directory= directory::Client::new(directory_config);
 //            let route = directory.get_mixes();
 //            let destination = directory.get_destination();
             let delays = sphinx::header::delays::generate(2);