diff --git a/osu.Game/Online/API/Requests/GetUsersRequest.cs b/osu.Game/Online/API/Requests/GetUsersRequest.cs
index 6f7e9c07d2..cd75ff4e31 100644
--- a/osu.Game/Online/API/Requests/GetUsersRequest.cs
+++ b/osu.Game/Online/API/Requests/GetUsersRequest.cs
@@ -2,9 +2,15 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using osu.Game.Online.API.Requests.Responses;
 
 namespace osu.Game.Online.API.Requests
 {
+    /// <summary>
+    /// Looks up users with the given <see cref="UserIds"/>.
+    /// In comparison to <see cref="LookupUsersRequest"/>, the response here contains <see cref="APIUser.RulesetsStatistics"/>,
+    /// but in exchange is subject to more stringent rate limiting.
+    /// </summary>
     public class GetUsersRequest : APIRequest<GetUsersResponse>
     {
         public readonly int[] UserIds;
diff --git a/osu.Game/Online/API/Requests/LookupUsersRequest.cs b/osu.Game/Online/API/Requests/LookupUsersRequest.cs
new file mode 100644
index 0000000000..6e98ce064e
--- /dev/null
+++ b/osu.Game/Online/API/Requests/LookupUsersRequest.cs
@@ -0,0 +1,30 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using osu.Game.Online.API.Requests.Responses;
+
+namespace osu.Game.Online.API.Requests
+{
+    /// <summary>
+    /// Looks up users with the given <see cref="UserIds"/>.
+    /// In comparison to <see cref="GetUsersRequest"/>, the response here does not contain <see cref="APIUser.RulesetsStatistics"/>,
+    /// but in exchange is subject to less stringent rate limiting, making it suitable for mass user listings.
+    /// </summary>
+    public class LookupUsersRequest : APIRequest<GetUsersResponse>
+    {
+        public readonly int[] UserIds;
+
+        private const int max_ids_per_request = 50;
+
+        public LookupUsersRequest(int[] userIds)
+        {
+            if (userIds.Length > max_ids_per_request)
+                throw new ArgumentException($"{nameof(LookupUsersRequest)} calls only support up to {max_ids_per_request} IDs at once");
+
+            UserIds = userIds;
+        }
+
+        protected override string Target => @"users/lookup/?ids[]=" + string.Join(@"&ids[]=", UserIds);
+    }
+}