diff --git a/net/http/client.ha b/net/http/client.ha
index 93d91b3..069ee57 100644
--- a/net/http/client.ha
+++ b/net/http/client.ha
@@ -31,6 +31,11 @@ export fn client_default_header(client: *client) *header = {
 	return &client.default_header;
 };
 
+// Returns the default [[transport]] configuration used by this HTTP client.
+export fn client_default_transport(client: *client) *transport = {
+	return &client.default_transport;
+};
+
 fn new_request(client: *client, method: str, target: *uri::uri) request = {
 	let req = request {
 		method = method,
diff --git a/net/http/request.ha b/net/http/request.ha
index eb536f8..a975299 100644
--- a/net/http/request.ha
+++ b/net/http/request.ha
@@ -15,6 +15,9 @@ export type request = struct {
 	// List of HTTP request headers.
 	header: header,
 
+	// Transport configuration, or null to use the [[client]] default.
+	transport: nullable *transport,
+
 	// I/O reader for the request body.
 	body: (io::handle | void),
 };