diff --git a/ruma-appservice-api/CHANGELOG.md b/ruma-appservice-api/CHANGELOG.md
index 0b93c2da..2b46d1f3 100644
--- a/ruma-appservice-api/CHANGELOG.md
+++ b/ruma-appservice-api/CHANGELOG.md
@@ -1,5 +1,9 @@
 # [unreleased]
 
+Improvements:
+
+* Add room visibility management endpoint
+
 Breaking changes:
 
 * Fix endpoint versioning
diff --git a/ruma-appservice-api/src/directory.rs b/ruma-appservice-api/src/directory.rs
new file mode 100644
index 00000000..a64a2492
--- /dev/null
+++ b/ruma-appservice-api/src/directory.rs
@@ -0,0 +1,3 @@
+//! Endpoints to manage public room directories.
+
+pub mod set_room_visibility;
diff --git a/ruma-appservice-api/src/directory/set_room_visibility.rs b/ruma-appservice-api/src/directory/set_room_visibility.rs
new file mode 100644
index 00000000..6419c687
--- /dev/null
+++ b/ruma-appservice-api/src/directory/set_room_visibility.rs
@@ -0,0 +1,30 @@
+//! [PUT /_matrix/client/r0/directory/list/appservice/{networkId}/{roomId}](https://matrix.org/docs/spec/application_service/r0.1.2#put-matrix-client-r0-directory-list-appservice-networkid-roomid)
+
+use ruma_api::ruma_api;
+use ruma_identifiers::RoomId;
+
+ruma_api! {
+    metadata: {
+        description: "Updates the visibility of a given room on the application service's room directory.",
+        method: PUT,
+        name: "set_room_visibility",
+        path: "/_matrix/client/r0/directory/list/appservice/:network_id/:room_id",
+        rate_limited: false,
+        authentication: QueryOnlyAccessToken,
+    }
+
+    request: {
+        /// The protocol (network) ID to update the room list for.
+        #[ruma_api(path)]
+        pub network_id: String,
+
+        /// Room ID of the room to add or remove from the directory.
+        #[ruma_api(path)]
+        pub room_id: RoomId,
+
+        /// Whether the room should be visible (public) in the directory or not (private).
+        pub visibility: Visibility,
+    }
+
+    response: {}
+}