diff --git a/matrix/matrix.cc b/matrix/matrix.cc
index deba6cfd4..d83dd3c9f 100644
--- a/matrix/matrix.cc
+++ b/matrix/matrix.cc
@@ -133,6 +133,7 @@ ircd::m::matrix::module_names
 	"client_presence",
 	"client_joined_groups",
 	"client_publicised_groups",
+	"client_create_group",
 	"client_login",
 	"client_logout",
 	"client_register_available",
diff --git a/modules/Makefile.am b/modules/Makefile.am
index 9156c81be..c4ce77a6a 100644
--- a/modules/Makefile.am
+++ b/modules/Makefile.am
@@ -292,6 +292,7 @@ client_client_send_to_device_la_SOURCES = client/send_to_device.cc
 client_client_delete_devices_la_SOURCES = client/delete_devices.cc
 client_client_notifications_la_SOURCES = client/notifications.cc
 client_client_register_email_la_SOURCES = client/register_email.cc
+client_client_create_group_la_SOURCES = client/create_group.cc
 
 client_module_LTLIBRARIES = \
 	client/client_versions.la \
@@ -318,6 +319,7 @@ client_module_LTLIBRARIES = \
 	client/client_delete_devices.la \
 	client/client_notifications.la \
 	client/client_register_email.la \
+	client/client_create_group.la \
 	###
 
 #
diff --git a/modules/client/create_group.cc b/modules/client/create_group.cc
new file mode 100644
index 000000000..ef423a4cc
--- /dev/null
+++ b/modules/client/create_group.cc
@@ -0,0 +1,68 @@
+// The Construct
+//
+// Copyright (C) The Construct Developers, Authors & Contributors
+// Copyright (C) 2016-2020 Jason Volk <jason@zemos.net>
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice is present in all copies. The
+// full license for this software is available in the LICENSE file.
+
+namespace ircd::m::groups
+{
+	static resource::response handle_post(client &, const resource::request &);
+	extern resource::method create_group_post;
+	extern resource create_group_resource;
+}
+
+ircd::mapi::header
+IRCD_MODULE
+{
+	"Client (unspecified) :Create Group",
+};
+
+decltype(ircd::m::groups::create_group_resource)
+ircd::m::groups::create_group_resource
+{
+	"/_matrix/client/r0/create_group",
+	{
+		"(undocumented/unspecified) Create Group",
+	}
+};
+
+decltype(ircd::m::groups::create_group_post)
+ircd::m::groups::create_group_post
+{
+	create_group_resource, "POST", handle_post,
+	{
+		create_group_post.REQUIRES_AUTH
+	}
+};
+
+ircd::m::resource::response
+ircd::m::groups::handle_post(client &client,
+                             const resource::request &request)
+{
+	const json::string &localpart
+	{
+		request["localpart"]
+	};
+
+	const json::object &profile
+	{
+		request["profile"]
+	};
+
+	const m::id::group::buf group_id
+	{
+		localpart, origin(my(request.user_id.host()))
+	};
+
+	return resource::response
+	{
+		client, http::CREATED, json::members
+		{
+			{ "group_id", group_id }
+		},
+	};
+}