diff --git a/src/synclean/api/synapse.py b/src/synclean/api/synapse.py
index 5290bd1..925e848 100644
--- a/src/synclean/api/synapse.py
+++ b/src/synclean/api/synapse.py
@@ -17,7 +17,7 @@ class SynapseApiClient:
 
     def request(self, method: str, endpoint: str, params = None) -> Dict[str, Any]:
         """Send a request to the Synapse API."""
-        url = f"{self.config.base_url}{endpoint}"
+        url = f"{self.config.admin_api_url}{endpoint}"
         try:
             response = self.session.request(method, url, params)
             response.raise_for_status()