diff --git a/py-rattler/rattler/repo_data/gateway.py b/py-rattler/rattler/repo_data/gateway.py
index cee4612ec..eeec05885 100644
--- a/py-rattler/rattler/repo_data/gateway.py
+++ b/py-rattler/rattler/repo_data/gateway.py
@@ -8,6 +8,7 @@
 
 from rattler.channel import Channel
 from rattler.match_spec import MatchSpec
+from rattler.networking import Client
 from rattler.repo_data.record import RepoDataRecord
 from rattler.platform import Platform, PlatformLiteral
 from rattler.package.package_name import PackageName
@@ -90,6 +91,7 @@ def __init__(
         default_config: Optional[SourceConfig] = None,
         per_channel_config: Optional[dict[str, SourceConfig]] = None,
         max_concurrent_requests: int = 100,
+        client: Optional[Client] = None,
     ) -> None:
         """
         Arguments:
@@ -100,6 +102,8 @@ def __init__(
                                 prefix, so any channel that starts with the URL uses the configuration.
                                 The configuration with the longest matching prefix is used.
             max_concurrent_requests: The maximum number of concurrent requests that can be made.
+            client: An authenticated client to use for acquiring repodata. If not specified a default
+                    client will be used.
 
         Examples
         --------
@@ -119,6 +123,7 @@ def __init__(
                 for channel, config in (per_channel_config or {}).items()
             },
             max_concurrent_requests=max_concurrent_requests,
+            client=client._client if client is not None else None,
         )
 
     async def query(
diff --git a/py-rattler/src/repo_data/gateway.rs b/py-rattler/src/repo_data/gateway.rs
index 97aee99c0..36a5a5a2d 100644
--- a/py-rattler/src/repo_data/gateway.rs
+++ b/py-rattler/src/repo_data/gateway.rs
@@ -1,5 +1,6 @@
 use crate::error::PyRattlerError;
 use crate::match_spec::PyMatchSpec;
+use crate::networking::client::PyClientWithMiddleware;
 use crate::package_name::PyPackageName;
 use crate::platform::PyPlatform;
 use crate::record::PyRecord;
@@ -50,13 +51,14 @@ impl<'source> FromPyObject<'source> for Wrap<SubdirSelection> {
 #[pymethods]
 impl PyGateway {
     #[new]
-    #[pyo3(signature = (max_concurrent_requests, default_config, per_channel_config, cache_dir=None)
+    #[pyo3(signature = (max_concurrent_requests, default_config, per_channel_config, cache_dir=None, client=None)
     )]
     pub fn new(
         max_concurrent_requests: usize,
         default_config: PySourceConfig,
         per_channel_config: HashMap<String, PySourceConfig>,
         cache_dir: Option<PathBuf>,
+        client: Option<PyClientWithMiddleware>,
     ) -> PyResult<Self> {
         let channel_config = ChannelConfig {
             default: default_config.into(),
@@ -77,6 +79,10 @@ impl PyGateway {
             gateway.set_cache_dir(cache_dir);
         }
 
+        if let Some(client) = client {
+            gateway.set_client(client.into());
+        }
+
         Ok(Self {
             inner: gateway.finish(),
         })