diff --git a/tidy3d/web/core/environment.py b/tidy3d/web/core/environment.py
index b93cd6019..d7aa016f5 100644
--- a/tidy3d/web/core/environment.py
+++ b/tidy3d/web/core/environment.py
@@ -56,6 +56,13 @@ def get_real_url(self, path: str) -> str:
     website_endpoint="https://tidy3d.uat-simulation.cloud",
 )
 
+pre = EnvironmentConfig(
+    name="pre",
+    s3_region="us-gov-west-1",
+    web_api_endpoint="https://preprod-tidy3d-api.simulation.cloud",
+    website_endpoint="https://preprod-tidy3d.simulation.cloud",
+)
+
 prod = EnvironmentConfig(
     name="prod",
     s3_region="us-gov-west-1",
@@ -131,6 +138,17 @@ def uat(self) -> EnvironmentConfig:
         """
         return uat
 
+    @property
+    def pre(self) -> EnvironmentConfig:
+        """Get the preprod environment.
+
+        Returns
+        -------
+        EnvironmentConfig
+            The config for the preprod environment.
+        """
+        return pre
+
     @property
     def prod(self) -> EnvironmentConfig:
         """Get the prod environment.