diff --git a/Runtime/OpenAIApi.cs b/Runtime/OpenAIApi.cs
index 2c4b0f6..5c2f439 100644
--- a/Runtime/OpenAIApi.cs
+++ b/Runtime/OpenAIApi.cs
@@ -36,14 +36,18 @@ private Configuration Configuration
         }
 
         /// OpenAI API base path for requests.
-        private const string BASE_PATH = "https://api.openai.com/v1";
+        private string BASE_PATH = "https://api.openai.com/v1";
 
-        public OpenAIApi(string apiKey = null, string organization = null)
+        public OpenAIApi(string apiKey = null, string organization = null, string customPath = null)
         {
             if (apiKey != null)
             {
                 configuration = new Configuration(apiKey, organization);
             }
+            if(customPath != null)
+            {
+                BASE_PATH = customPath;
+            }
         }
         
         /// Used for serializing and deserializing PascalCase request object fields into snake_case format for JSON. Ignores null fields when creating JSON strings.