diff --git a/src/Novu.Extensions/ConfigurationExtensions.cs b/src/Novu.Extensions/ConfigurationExtensions.cs
index 10dedf6..3f601dc 100644
--- a/src/Novu.Extensions/ConfigurationExtensions.cs
+++ b/src/Novu.Extensions/ConfigurationExtensions.cs
@@ -50,6 +50,12 @@ public static NovuClientConfiguration GetNovuClientConfiguration(this IConfigura
             novuConfiguration.Url = novuConfigurationUrl;
         }
 
+        var novuConfigurationApiKey = Environment.GetEnvironmentVariable("NOVU_API_KEY");
+        if (novuConfigurationApiKey is not null)
+        {
+            novuConfiguration.ApiKey = novuConfigurationApiKey;
+        }
+
         return novuConfiguration;
     }
 }
\ No newline at end of file