Managing Users

Stream Users require only an id to be created. Users can be created with role of user or admin. The role will be set to user if a value is not provided in the request. There are additional properties you can provide to further describe your users.

If you wish to have users join a chat before they have created an account, check out our Anonymous User support

Client-side User Creation

Stream Chat exposes a connectUser method that automatically creates and updates the user. Please note that the connectUser call has some limitations:

For example, if you’re looking to sync your user base, you’ll want to use the upsertUsers function server-side and send users in bulk.

Server-side User Updates (Batch)

The upsertUsers method creates or updates users, and accepts batch of users in the form of an array of user objects. Any user present in the payload will have its data replaced with the new version. (see below for partial updates) You can send up to 100 users per API request in both upsertUsers and partialUpdateUser.

For example, a client authenticated as a user with permission to create new users or using serverside authentication can create or update a new user:

val user = User(userId)
chatClient.updateUser(user).enqueue {
  val user = it.data()
}

const updateResponse = await chatClient.upsertUser({
  id: userID,
  role: "admin",
  book: "dune",
});
// user object is now {id: userID, role: 'admin', book: 'dune'}

# user object is now {id: userID, role: 'admin', book: 'dune'}
client.upsert_users([{"id": user_id, "role": "admin", "book": "dune"}])

// user object is now {id: userID, role: 'admin', book: 'dune'}
client.UpsertUsers(ctx, &User{
  ID: userID, Role: "admin", ExtraData: map[string]interface{}{"book": "dune"}})

var user = new UserRequest
{
  Id = "bob-1",
  Role = Role.Admin,
};
user.SetData("book", "dune");

// user object is now {id: userID, role: 'admin', book: 'dune'}
await userClient.UpsertManyAsync(new[] { user });

await chatClient.upsertUser(user);

const updateResponse = await serverClient.upsertUser({
  id: userID,
  role: "admin",
  book: "dune",
});

# user object is now {id: userID, role: 'admin', book: 'dune'}
serverClient.upsert_users([{:id => user_id, :role => "admin", :book => "dune"}])

var user = UserRequestObject.builder().id(userId1).role("admin").build();
User.upsert().user(user).request();

Client->UpsertUsers({User});

// Only Id field is required, the rest is optional
var createOrUpdateUser = new StreamUserUpsertRequest
{
  Id = "my-user-id",
  // BanExpires = DateTimeOffset.Now.AddDays(7),
  // Banned = true,
  // Invisible = true,
  // Role = "user",
  // Name = "David",
  // Image = "image-url", // You can upload image to Stream CDN or your own
  // CustomData = new StreamCustomDataRequest
  //{
  //  { "Age", 24 },
  //  { "Passions", new string[] { "Tennis", "Football", "Basketball" } }
  //}
};

// Upsert means: update user with a given ID or create a new one if it doesn't exist
var users = await Client.UpsertUsers(new[] { createOrUpdateUser });

And for a batch of users, simply add additional entries (up to 100) into the array you pass to upsertUsers :

const updateResponse = await serverClient.upsertUsers([
  { id: userID1, role: "admin", book: "dune" },
  { id: userID2, role: "user", book: "1984" },
  { id: userID3, role: "admin", book: "Fahrenheit 451" },
]);
// each user object is updated accordingly

client.upsert_users([
 {"id": user_id1, "role": "admin", "book": "dune"},
 {"id": user_id2, "role": "user", "book": "1984"},
 {"id": user_id3, "role": "admin", "book": "Fahrenheit 451"},
])

client.UpsertUsers(ctx,
  &User{ID: userID1, Role: "admin", ExtraData: map[string]interface{}{"book": "dune"}},
  &User{ID: userID2, Role: "user", ExtraData: map[string]interface{}{"book": "1984"}},
  &User{ID: userID3, Role: "admin", ExtraData: map[string]interface{}{"book": "Fahrenheit 451"}},
)

await userClient.UpsertManyAsync(new[] {
 new UserRequest
 {
   Id = userId1,
   Role = Role.Admin,
 },
 new UserRequest
 {
   Id = userId2,
   Role = Role.User,
 },
 new UserRequest
 {
   Id = userId3,
   Role = Role.Admin,
 }
});

client.upsert_users([
 {:id => user_id1, :role => "admin", :book => "dune"},
 {:id => user_id2, :role => "user", :book => "1984"},
 {:id => user_id3, :role => "admin", :book => "Fahrenheit 451"},
])

var user1 = UserRequestObject.builder().id(userId1).role("admin").build();
var user2 = UserRequestObject.builder().id(userId1).role("admin").build();
var user3 = UserRequestObject.builder().id(userId1).role("admin").build();

User.upsert().user(user1).user(user2).user(user3).request();

var usersToCreateOrUpdate = new[]
{
  new StreamUserUpsertRequest
  {
    Id = "my-user-id",
    Role = "user",
  },
  new StreamUserUpsertRequest
  {
    Id = "my-user-id-2",
    // BanExpires = DateTimeOffset.Now.AddDays(7),
    // Banned = true,
    // Invisible = true,
    // Role = "user",
    // Name = "David",
    // Image = "image-url", // You can upload image to Stream CDN or your own
    // CustomData = new StreamCustomDataRequest
    //{
    //  { "Age", 24 },
    //  { "Passions", new string[] { "Tennis", "Football", "Basketball" } }
    //}
  },
};

// Upsert means: update user with a given ID or create a new one if it doesn't exist
var users = await Client.UpsertUsers(usersToCreateOrUpdate);

Server-side Partial Update (Batch)

If you need to update a subset of properties for a user(s), you can use a partial update method. Both set and unset parameters can be provided to add, modify, or remove attributes to or from the target user(s). The set and unset parameters can be used separately or combined.

Please see below for an example:

// make partial update call for userID
// it set's user.role to "admin", sets user.field = {'text': 'value'}
// and user.field2.subfield = 'test'.
//
// NOTE:
// changing role is available only for server-side auth.
// field name should not contain dots or spaces, as dot is used as path separator.
const update = {
  id: "userID",
  set: {
    role: "admin",
    field: {
      text: "value",
    },
    "field2.subfield": "test",
  },
  unset: ["field.unset"],
};
// response will contain user object with updated users info
const response = await client.partialUpdateUser(update);

// partial update for multiple users
const updates = [
  {
    id: "userID",
    set: {
      field: "value",
    },
  },
  {
    id: "userID2",
    unset: ["field.value"],
  },
];

// response will contain object {userID => user} with updated users info
const response = await client.partialUpdateUsers(updates);

# make partial update call for userID
# it set's user.role to "admin", sets user.field = {'text': 'value'}
# and user.field2.subfield = 'test'.

# NOTE:
# changing role is available only for server-side auth.
# field name should not contain dots or spaces, as dot is used as path separator.

update = {
  "id": "userID",
  "set": {
    "role": "admin",
    "field": {
      "text": 'value'
    },
    'field2.subfield': 'test',
  },
  "unset": ['field.unset'],
};

# response will contain user object with updated users info
client.update_user_partial(update);

# partial update for multiple users
updates = [
  {
    "id": "userID",
    "set": {"field": "value"}
  },
  {
    "id": "userID2",
    "unset": ["field.value"]
  }
]

# response will contain object {userID => user} with updated users info
client.update_users_partial(updates)

# make partial update call for userID
# it set's user.role to "admin", sets user.field = {'text': 'value'}
# and user.field2.subfield = 'test'.

# NOTE:
# changing role is available only for server-side auth.
# field name should not contain dots or spaces, as dot is used as path separator.

update = {
  "id" => "userID",
  "set"=> {
    "role"=> "admin",
    "field"=> {
      "text"=> 'value'
    },
    'field2.subfield'=> 'test',
  },
  "unset"=> ['field.unset'],
};

# response will contain user object with updated users info
client.update_user_partial(update);

# partial update for multiple users
updates = [
  {
    "id"=> "userID",
    "set"=> {"field"=> "value"}
  },
  {
    "id"=> "userID2",
    "unset"=> ["field.value"]
  }
]

# response will contain object {userID => user} with updated users info
client.update_users_partial(updates)

$client->partialUpdateUser([
 "id" => $user["id"],
 "set" => ["role" => "admin", "field2.subfield" => "test"]
]);

var updateObj = UserPartialUpdateRequestObject.builder()
      .id(user.getId())
      .setValue("role", "admin")
      .setValue("field2.subfield", "test")
      .build();

User.partialUpdate().users(Arrays.asList(updateObj)).request();

update := PartialUserUpdate{
	ID: user.ID,
	Set: map[string]interface{}{
   "role": "admin",
		"field": map[string]interface{}{
			"text": "value",
		},
	},
}

resp, err := client.PartialUpdateUsers(ctx, []PartialUserUpdate{update})

// Partial update is not supported in Swift SDK

var updates = new Dictionary<string, object>
{
  { "role", "admin" },
  { "field2.subfield", "test" }
};

var resp = await userClient.UpdatePartialAsync(new UserPartialRequest
{
  Id = user.Id,
  Set = updates,
});

Unique Usernames

Clients can set a username, by setting the name custom field. The field is optional and by default has no uniqueness constraints applied to it, however this is configurable by setting the enforce_unique_username to either app, team or no.

When checking for uniqueness, the name is normalized, by removing any white-space or other special characters, and finally transforming it to lowercase. So “John Doe” is considered a duplicate of “john doe”, “john.doe”, etc.

// Enable uniqueness constraints on App level
await client.updateAppSettings({
  enforce_unique_usernames: "app",
});

# Enable uniqueness constraints on App level
client.update_app_settings(enforce_unique_usernames: 'app')

# Enable uniqueness constraints on App level
client.update_app_settings(enforce_unique_usernames="app")

// Enable uniqueness constraints on App level
App.update().enforceUniqueUsernames("app").request();

// Enable uniqueness constraints on App level
await _appClient.UpdateAppSettingsAsync(new AppSettingsRequest
{
  EnforceUniqueUsernames = UniqueUsernameEnforcementPolicy.App,
});

// Enable uniqueness constraints on App level
settings := &AppSettings{EnforceUniqueUsernames: "app"}
resp, err = client.UpdateAppSettings(ctx, settings)

// Enable uniqueness constraints on App level
$client->updateAppSettings(["enforce_unique_usernames" => "app"]);

// This can be set in https://dashboard.getstream.io/ -> Open your application -> Overview -> Authentication

When this setting is set to app, attempts to create or update a user with an existing name in this app, will fail with duplicate username error.

// Enable uniqueness constraints on Team level
await client.updateAppSettings({
  enforce_unique_usernames: "team",
});

# Enable uniqueness constraints on Team level
client.update_app_settings(enforce_unique_usernames: 'team')

# Enable uniqueness constraints on Team level
client.update_app_settings(enforce_unique_usernames="team")

// Enable uniqueness constraints on Team level
App.update().enforceUniqueUsernames("team").request();

// Enable uniqueness constraints on Team level
await _appClient.UpdateAppSettingsAsync(new AppSettingsRequest
{
  EnforceUniqueUsernames = UniqueUsernameEnforcementPolicy.Team,
});

// Enable uniqueness constraints on Team level
settings := &AppSettings{EnforceUniqueUsernames: "team"}
resp, err = client.UpdateAppSettings(ctx, settings)

// Enable uniqueness constraints on Team level
$client->updateAppSettings(["enforce_unique_usernames" => "team"]);

// This can be set in https://dashboard.getstream.io/ -> Open your application -> Overview -> Authentication

When set to team, attempts to create or update a user with an existing name will fail only if the name already exists within a common team.

Deactivate a User

To deactivate a user, Stream Chat exposes a deactivateUser method. This method can only be called server-side due to security concerns, so please keep this in mind when attempting to make the call.

Deactivated users cannot:

• Connect to Stream Chat

• Send or receive messages

• (deactivated users can be reactivated, see below)

Below is an example of how to execute the call to deactivateUser :

const deactivate = await client.deactivateUser(userID);

const deactivate = await client.deactivateUser(userID, {
  mark_messages_deleted: true,
  created_by_id: "joe",
});

response = client.deactivate_user(user_id)

response = client.deactivate_user(user_id,
                 mark_messages_deleted=True,
                 created_by_id="joe")

response = client.deactivate_user(user_id)

response = client.deactivate_user(user_id,
                 mark_messages_deleted: true,
                 created_by_id: "joe")

$response = $this->client->deactivateUser($user["id"]);

$response = $this->client->deactivateUser($user["id"], [
 "mark_messages_deleted" => true,
 "created_by_id" => "joe",
]);

err := client.DeactivateUser(userID, nil)

err := client.DeactivateUser(userID, map[string]interface{}{
 "mark_messages_deleted": true,
 "created_by_id": "joe",
})

await userClient.DeactivateAsync(userId);

await userClient.DeactivateAsync(userId, true, "joe");

User.deactivate(userId).createdById(userId2).request();

// This is a server-side only feature, choose any of our server-side SDKs to use it

The response will contain an object with the user ID that was deactivated. Further, the user will no longer be able to connect to Stream Chat as an error will be thrown.

To reinstate the user as active, use the reactivateUser method by passing the users ID as a parameter:

const reactivate = await client.reactivateUser(userID);

const reactivate = await client.reactivateUser(userID, {
  restore_messages: true,
  name: "I am back",
  created_by_id: "joe",
});

response = client.reactivate_user(user_id)

response = client.reactivate_user(user_id,
                 restore_messages=True,
                 name="I am back",
                 created_by_id="joe")

response = client.reactivate_user(user_id)

response = client.reactivate_user(user_id,
                 restore_messages: true,
                 name: "I am back",
                 created_by_id: "joe")

$response = $this->client->reactivateUser($user["id"]);

$response = $this->client->reactivateUser($user["id"], [
 "restore_messages" => true,
 "name" => "I am back",
 "created_by_id" => "joe",
]);

err := client.ReactivateUser(userID, nil)

err := client.ReactivateUser(userID, map[string]interface{}{
 "restore_messages": true,
 "name": "I am back",
 "created_by_id": "joe",
})

await userClient.ReactivateAsync(userId);

await userClient.ReactivateAsync(user2.Id, restoreMessages: true, name: "I am back", createdById: "joe");

User.reactivate(userId).createdById(userId2).request();

// This is a server-side only feature, choose any of our server-side SDKs to use it

Deactivate many Users

Many users (up to 100) can be deactivated and reactivated with only one call. The operation will be ran asynchronously, the response contains a task_id which can be polled using the getTask endpoint to check the status of the operation.

// Deactivate many users in one call
let resp = await serverClient.deactivateUsers([userIDs, ...], {
   created_by_id: userID, // optional: define who deactivated the users
   mark_messages_deleted: true // optional: the messages will be marked as deleted
})

resp = await serverClient.reactivateUsers([userIDs, ...], {
   created_by_id: userID, // optional: define who reactivated the users
   restore_messages: true // optional: the messages will be restored if they were deleted
})

// both resp contains a task_id to check the status of the operation

// This is a server-side only feature, choose any of our server-side SDKs to use it

Delete a User

While it is usually safer for data retention to deactivate a user, some use cases require completely deleting a user and their data. Regional or platform regulations such as the GDPR right to deletion or Apple App Store’s data collection and storage guidelines are two examples of regulations that require this.

To delete user data, Stream Chat exposes a deleteUser method. Once a user has been hard deleted, it cannot be un-deleted and the user_id cannot be used again. This method can onlybe called server-side due to security concerns, so please keep this in mind when attempting to make the call.

Below is an example of how to execute the call to deleteUser :

const destroy = await client.deleteUser(userID, {
  mark_messages_deleted: false,
});

response = client.delete_user(user_id)

response = client.delete_user(user_id)

$response = $this->client->deleteUser($user["id"]);

err := client.DeleteUser(userID, nil)

await userClient.DeleteAsync(userId);

User.delete(userId).request();

// This is a server-side only feature, choose any of our server-side SDKs to use it

Hard Delete a User

To perform a “hard delete” on the user, you must set mark_messages_deleted to true and provide an additional parameter called hard_delete with the value set to true. This method will delete all messages, reactions, and any other associated data with the user. Another option is delete_conversation_channels, if set true the deleted user is removed from all one-to-one channels.

const destroy = await client.deleteUser("user_id", {
  delete_conversation_channels: true,
  mark_messages_deleted: true,
  hard_delete: true,
});

$response = $client->deleteUser($user["id"], [
 "mark_messages_deleted" => true,
 "hard_delete" => true,
 "delete_conversation_channels" => true,
]);

options := map[string]interface{}{
	"mark_messages_deleted":    true,
	"hard_delete":         true,
 "delete_conversation_channels": true,
}

err := client.DeleteUser(userID, options)

await userClient.DeleteAsync(userId, markMessagesDeleted: true, hardDelete: true, deleteConversations: true);

client.delete_user(user_id,
          mark_messages_deleted=True,
          hard_delete=True,
          delete_conversation_channels=True)

response = client.delete_user(user_id,
               mark_messages_deleted: true,
               hard_delete: true,
               delete_conversation_channels: true)

User.delete(userId)
 .markMessagesDeleted(true)
 .hardDelete(true)
 .deleteConversationChannels(true)
 .request();

// This is a server-side only feature, choose any of our server-side SDKs to use it

After deleting or hard deleting a user, the user will no longer be able to:

• Connect to Stream Chat

• Send or receive messages

• Be displayed when querying users

• Have messages stored in Stream Chat (depending on whether or not mark_messages_deleted is set to true or false )

These are the request parameters which determine what user data is deleted:

Deleting Many Users

You can delete up to 100 users and optionally all of their channels and messages using this method. First the users are marked deleted synchronously so the user will not be directly visible in the API. Then the process deletes the user and related objects asynchronously by scheduling a task to be handles by the task worker.

This method can only be called server-side due to security concerns. This is supported on the following SDK versions (or higher):

• Javascript 4.3.0, Python 3.14.0, Ruby 2.12.0, PHP 2.6.0, Go 3.13.0, Java 1.4.0 and.NET 0.22.0

let response = await serverClient.deleteUsers(['userID1', 'userID2'], {
  user: 'soft',
  messages: 'hard',
});

response = await serverClient.getTask(response['task_id']);

if(response['status] === 'completed') {
  // success!
}

response = client.delete_users(
  ['userID1', 'userID2'],
  "soft",
  messages="hard"
)

response = client.get_task(response["task_id"])

if response['status'] == 'completed':
  # success!
  pass

taskID, err := client.DeleteUsers([]string{"userID1", "userID2"}, DeleteUserOptions{
  User:   SoftDelete,
  Messages: HardDelete,
})
if err != nil {
  return err
}

resp, err := client.GetTask(taskID)
if err != nil {
  return err
}

if resp.Status == "completed" {
  // success!
}

$response = $client->deleteUsers(
  ["userID1", "userID2"],
  ["user" => "soft", "messages" => "hard"]
);

$response = $client->getTask($response["task_id"]);

if ($response["status"] == "completed") {
  // success!
};

response = client.delete_users(
  ['userID1', 'userID2'],
  user: StreamChat::SOFT_DELETE
)

response = client.get_task(response["task_id"])

if response['status'] == 'completed'
  # success!

var taskId = User.deleteMany(List.of(userID1, userID2))
    .deleteUserStrategy(DeleteStrategy.SOFT)
    .deleteMessagesStrategy(DeleteStrategy.HARD)
    .request().getTaskId();

var taskStatusResponse = TaskStatus.get(taskId).request();
// "completed".equals(taskStatusResponse.status);

var resp = await userClient.DeleteManyAsync(
        new DeleteUsersRequest()
        .WithUserIds(user1.Id, user2.Id)
        .WithUserDeletionStrategy(DeletionStrategy.Hard)
        .WithMessagesDeletionStrategy(DeletionStrategy.Hard)
        .WithConversationsDeletionStrategy(DeletionStrategy.Hard));

var status = await taskClient.GetTaskStatusAsync(resp.TaskId);

var finished = status.Status == AsyncTaskStatus.Completed;

// This is a server-side only feature, choose any of our server-side SDKs to use it

The deleteUsers response contain a task_id which can be polled using the getTask endpoint to check the status of the deletions.

These are the request parameters which determine what user data is deleted:

Restoring deleted users

If users are soft (only) deleted they can be restored using server side client. However, only user’s metadata is restored, membership, messages etc… can’t be put back.

You can restore up to 100 users per call:

await client.restoreUsers(["userID1", "userID2"]);

client.restore_users(['userID1', 'userID2'])

// This is a server-side only feature, choose any of our server-side SDKs to use it