diff --git a/src/IStreamFeed.cs b/src/IStreamFeed.cs
index 1fc0cd9..3dcf972 100644
--- a/src/IStreamFeed.cs
+++ b/src/IStreamFeed.cs
@@ -28,6 +28,8 @@ public interface IStreamFeed
         /// <remarks>https://getstream.io/activity-feeds/docs/dotnet-csharp/feeds_101/?language=csharp</remarks>
         Task<AddActivitiesResponse> AddActivitiesAsync(IEnumerable<Activity> activities);
 
+        Task<UpdateToTargetsResponse> BatchUpdateActivityToTargetsAsync(List<UpdateToTargetsRequest> reqs);
+
         /// <summary>Add a new activity to the feed.</summary>
         /// <remarks>https://getstream.io/activity-feeds/docs/dotnet-csharp/feeds_101/?language=csharp</remarks>
         Task<Activity> AddActivityAsync(Activity activity);
diff --git a/src/Models/UpdateToTargets.cs b/src/Models/UpdateToTargets.cs
new file mode 100644
index 0000000..850a283
--- /dev/null
+++ b/src/Models/UpdateToTargets.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using Newtonsoft.Json;
+
+namespace Stream.Models
+{
+    public class UpdateToTargetsRequest
+    {
+        [JsonProperty("foreign_id")]
+        public string ForeignID { get; set; }
+
+        [JsonProperty("time")]
+        public string Time { get; set; }
+
+        [JsonProperty("id")]
+        public string Id { get; set; }
+
+        [JsonProperty("new_targets")]
+        public List<string> NewTargets { get; set; }
+
+        [JsonProperty("added_targets")]
+        public List<string> Adds { get; set; }
+
+        [JsonProperty("removed_targets")]
+        public List<string> RemovedTargets { get; set; }
+    }
+}
diff --git a/src/StreamFeed.cs b/src/StreamFeed.cs
index e2693f2..2c804b5 100644
--- a/src/StreamFeed.cs
+++ b/src/StreamFeed.cs
@@ -127,6 +127,24 @@ public async Task<GenericGetResponse<Activity>> GetActivitiesAsync(int offset =
             throw StreamException.FromResponse(response);
         }
 
+        public async Task<UpdateToTargetsResponse> BatchUpdateActivityToTargetsAsync(List<UpdateToTargetsRequest> reqs)
+        {
+            var endpoint = $"feed_targets/{_feedSlug}/{_userId}/activity_to_targets/";
+
+            var request = _client.BuildAppRequest(endpoint, HttpMethod.Post);
+            request.SetJsonBody(StreamJsonConverter.SerializeObject(reqs));
+            var response = await _client.MakeRequestAsync(request);
+            if (response.StatusCode != HttpStatusCode.Created)
+            {
+                throw new HttpRequestException($"Request failed with status code {response.StatusCode}");
+            }
+
+            if (response.StatusCode == HttpStatusCode.Created)
+                return StreamJsonConverter.DeserializeObject<UpdateToTargetsResponse>(response.Content);
+
+            throw StreamException.FromResponse(response);
+        }
+
         public async Task<UpdateToTargetsResponse> UpdateActivityToTargetsAsync(string id,
             IEnumerable<string> adds = null,
             IEnumerable<string> newTargets = null,
@@ -136,6 +154,8 @@ public async Task<UpdateToTargetsResponse> UpdateActivityToTargetsAsync(string i
             newTargets?.ForEach(FeedIdValidator.ThrowIfFeedIdIsInvalid);
             removed?.ForEach(FeedIdValidator.ThrowIfFeedIdIsInvalid);
 
+
+
             var payload = new
             {
                 id = id,
diff --git a/tests/ActivityTests/UpdateActivityTests.cs b/tests/ActivityTests/UpdateActivityTests.cs
index 1671e6c..ff3239c 100644
--- a/tests/ActivityTests/UpdateActivityTests.cs
+++ b/tests/ActivityTests/UpdateActivityTests.cs
@@ -164,6 +164,96 @@ public async Task TestUpdateToTargets()
             Assert.AreEqual(2, updatedAct.To.ToList().FindAll(t => newOnes.Contains(t)).Count);
         }
 
+        [Test]
+        public async Task TestBatchUpdateToTargets()
+        {
+            var fidTime = new ForeignIdTime(Guid.NewGuid().ToString(), DateTime.UtcNow);
+
+            var targets = new List<string>()
+            {
+                "flat:" + Guid.NewGuid().ToString(),
+                "user:" + Guid.NewGuid().ToString(),
+            };
+
+            var act = new Activity("upd", "test", "1")
+            {
+                ForeignId = fidTime.ForeignId,
+                Time = fidTime.Time,
+                To = targets,
+            };
+
+            var insertedAct = await this.UserFeed.AddActivityAsync(act);
+            Assert.AreEqual(2, insertedAct.To.Count);
+
+            // add 1
+            var add = "user:" + Guid.NewGuid().ToString();
+            var updateReqs = new List<UpdateToTargetsRequest>
+            {
+                new UpdateToTargetsRequest
+                {
+                    Id = insertedAct.Id,
+                    Adds = new List<string> { add },
+                }
+            };
+            var updateResp = await this.UserFeed.BatchUpdateActivityToTargetsAsync(updateReqs);
+            Assert.AreEqual(insertedAct.Id, updateResp.Activity.Id);
+            Assert.AreEqual(1, updateResp.Added.Count);
+            Assert.AreEqual(add, updateResp.Added[0]);
+            Assert.AreEqual(3, updateResp.Activity.To.Count);
+            Assert.IsNotNull(updateResp.Activity.To.ToList().Find(t => t == add));
+
+            var updatedAct = (await this.UserFeed.GetActivitiesAsync(0, 1, FeedFilter.Where().IdLessThanEqual(insertedAct.Id))).Results.FirstOrDefault();
+            Assert.NotNull(updatedAct);
+            Assert.AreEqual(3, updatedAct.To.Count);
+            Assert.IsNotNull(updatedAct.To.ToList().Find(t => t == add));
+
+            // remove 1
+            var remove = targets[0];
+            updateReqs = new List<UpdateToTargetsRequest>
+            {
+                new UpdateToTargetsRequest
+                {
+                    Id = insertedAct.Id,
+                    RemovedTargets = new List<string> { remove },
+                }
+            };
+            updateResp = await this.UserFeed.BatchUpdateActivityToTargetsAsync(updateReqs);
+            Assert.AreEqual(insertedAct.Id, updateResp.Activity.Id);
+            Assert.AreEqual(1, updateResp.Removed.Count);
+            Assert.AreEqual(remove, updateResp.Removed[0]);
+            Assert.AreEqual(2, updateResp.Activity.To.Count);
+            Assert.IsNull(updateResp.Activity.To.ToList().Find(t => t == remove));
+
+            updatedAct = (await this.UserFeed.GetActivitiesAsync(0, 1, FeedFilter.Where().IdLessThanEqual(insertedAct.Id))).Results.FirstOrDefault();
+            Assert.NotNull(updatedAct);
+            Assert.AreEqual(2, updatedAct.To.Count);
+            Assert.IsNull(updatedAct.To.ToList().Find(t => t == remove));
+
+            // new ones
+            var newOnes = new List<string>()
+            {
+                "flat:" + Guid.NewGuid().ToString(),
+                "user:" + Guid.NewGuid().ToString(),
+            };
+            updateReqs = new List<UpdateToTargetsRequest>
+            {
+                new UpdateToTargetsRequest
+                {
+                    Id = insertedAct.Id,
+                    NewTargets = newOnes,
+                }
+            };
+            updateResp = await this.UserFeed.BatchUpdateActivityToTargetsAsync(updateReqs);
+            Assert.AreEqual(insertedAct.Id, updateResp.Activity.Id);
+            Assert.AreEqual(2, updateResp.Activity.To.Count);
+            Assert.AreEqual(2, updateResp.Added.Count);
+            Assert.AreEqual(2, updateResp.Added.ToList().FindAll(t => newOnes.Contains(t)).Count);
+            updatedAct = (await this.UserFeed.GetActivitiesAsync(0, 1, FeedFilter.Where().IdLessThanEqual(insertedAct.Id))).Results.FirstOrDefault();
+            Assert.NotNull(updatedAct);
+            Assert.AreEqual(2, updatedAct.To.Count);
+            Assert.AreEqual(2, updatedAct.To.ToList().FindAll(t => newOnes.Contains(t)).Count);
+        }
+
         [Test]
         public async Task TestActivityPartialUpdateByForeignIDTime()
         {
diff --git a/tests/ClientTests.cs b/tests/ClientTests.cs
index 855fde2..90ed6f1 100644
--- a/tests/ClientTests.cs
+++ b/tests/ClientTests.cs
@@ -115,7 +115,24 @@ public void TestToken()
             Assert.AreEqual(true, (bool)result["testing"]);
             Assert.False(result.ContainsKey("missing"));
         }
+        
+        [Test]
+        public void TestModerationToken()
+        {
+            var result = DecodeJwt(Client.CreateUserToken("user"));
+            Assert.AreEqual("user", (string)result["user_id"]);
+
+            var extra = new Dictionary<string, object>()
+            {
+                { "client", "dotnet" },
+                { "required_moderation_template", "mod_template_1" },
+            };
+            result = DecodeJwt(Client.CreateUserToken("user2", extra));
 
+            Assert.AreEqual("mod_template_1", (string)result["required_moderation_template"]);
+            Assert.False(result.ContainsKey("missing"));
+        }
+        
         private Dictionary<string, object> DecodeJwt(string token)
         {
             var segment = token.Split('.')[1];