Quick Start

Learn how to install QuickBlox SDK and send your first message.

QuickBlox SDK helps you implement real-time chat, video chat, and push notifications to your app. You can fully concentrate on your mobile app development. QuickBlox iOS SDK supports both Swift and Objective-C programming languages.

Start with sample apps

If you are just starting your app and developing it from scratch, we recommend to use our sample apps. We use GitHub repositories to make it easy to explore, copy, and modify our code samples. The guide on how to launch and configure the sample app is on GitHub.

Chat samples

Choose the code sample below to jump-start the development.

Objective-C Chat Sample App

Swift Chat Sample App

Video calling samples

Choose the code sample below to jump-start the development.

Objective-C Video Calling Sample App

Swift Video Calling Sample App

More samples

For more samples, head to our Code Samples page. These sample apps are available on GitHub so feel free to browse them there. Just clone the repository and modify the source code for your own projects.

Get application credentials

QuickBlox application includes everything that brings messaging right into your application - chat, video calling, users, push notifications, etc. To create a QuickBlox application, follow the steps below:

  1. Register a new account following this link. Type in your email and password to sign in. You can also sign in with your Google or Github accounts.
  2. Create the app clicking New app button.
  3. Configure the app. Type in the information about your organization into corresponding fields and click Add button.
  4. Go to Dashboard => YOUR_APP => Overview section and copy your Application ID, Authorization Key, Authorization Secret, and Account Key .


The minimum requirements for QuickBlox iOS SDK are:

  • iOS 13.0
  • CocoaPods 1.1
  • Xcode 11

Install QuickBlox SDK into your app


CocoaPods must be installed.

  1. Create a Podfile. Project dependencies should be managed by CocoaPods. Create this file in the same directory with your project.
pod init
touch Podfile
open -e Podfile
  1. Open the created Podfile and enter the following code lines into it. Specify the SDK version being installed.
platform :ios, "12.0"
target 'MyApp' do
    pod 'QuickBlox', '~> 2.17.5'
    pod 'Quickblox-WebRTC', '~> 2.7.4'
  1. Install QuickBlox dependencies in your project.
pod install
  1. Import headers to start using Quickblox frameworks.
import Quickblox
import QuickbloxWebRTC
#import <Quickblox/Quickblox.h>
#import <QuickbloxWebRTC/QuickbloxWebRTC.h>

Send your first message

Initialize QuickBlox SDK

Initialize the framework with your application credentials. As a result, your application details are stored in the server database and can be subsequently identified on the server.

Initialize your app on QuickBlox server by passing applicationID, authKey, authSecret, accountKey via AppDelegate file located in the root directory of your project:

QBSettings.applicationID = 92
QBSettings.authKey = "wJHdOcQSxXQGWx5"
QBSettings.authSecret = "BTFsj7Rtt27DAmT"
QBSettings.accountKey = "7yvNe17TnjNUqDoPwfqp"
[QBSettings setApplicationID:92];
[QBSettings setAuthKey:@"wJHdOcQSxXQGWx5"];
[QBSettings setAuthSecret:@"BTFsj7Rtt27DAmT"];
[QBSettings setAccountKey:@"7yvNe17TnjNUqDoPwfqp"];

Authorize user

Now, it is time to login with the user. You need to run a user session to be able to edit user data, for example, retrieve user data, view user contact list, etc. To create a user session, call the logIn() method and pass userLogin and userPassword parameters to it.

QBRequest.logIn(withUserLogin: "userLogin", password: "userPassword", successBlock: { (response, user) in
}, errorBlock: { (response) in
[QBRequest logInWithUserLogin:@"userLogin" password:@"userPassword" successBlock:^(QBResponse * _Nonnull response, QBUUser * _Nonnull tUser) {
} errorBlock:^(QBResponse * _Nonnull response) {

Connect to Chat

Having authorized a user, you can proceed with connecting to the Chat server to start using Chat module functionality. Call the connect() method and pass user.id and user.password to it.

QBChat.instance.connect(withUserID: user.id, password: user.password, completion: { (error) in
[QBChat.instance connectWithUserID:currentUser.ID password:currentUser.password completion:^(NSError * _Nullable error) {


Create dialog

QuickBlox provides three types of dialogs: 1-1 dialog, group dialog, and public dialog. Learn more about dialogs here.

Let’s create a simple 1-1 chat. Create a QBChatDialog instance and specify dialogID, type, and occupantIDs. Call the createDialog() method and pass the QBChatDialog instance within it. Consequently, the server assigns the ID to the dialog and responds with dialogID.

let dialog = QBChatDialog(dialogID: nil, type: .private)
dialog.occupantIDs = [34]
QBRequest.createDialog(dialog, successBlock: { (response, createdDialog) in
}, errorBlock: { (response) in
QBChatDialog *dialog = [[QBChatDialog alloc] initWithDialogID:nil type:QBChatDialogTypePrivate];
dialog.occupantIDs = @[@34]; // an ID of opponent
[QBRequest createDialog:dialog successBlock:^(QBResponse * _Nonnull response, QBChatDialog * _Nonnull createdDialog) {
} errorBlock:^(QBResponse * _Nonnull response) {


Make sure to set nil value for the dialogID parameter. Once the server verifies the user who is going to participate in the dialog by occupantID, it creates a dialog by the specified dialog type and assigns dialogID. Consequently, the assigned dialogID is returned by the server.


In case, a wrong dialog type is passed to the server, the server responds with 422 error code.

Receive messages

To track events in your chat (for example, receive messages, track to whom your messages are delivered and who read them), you must implement the chat delegate methods for your chat controller. Use addDelegate() to add a listener enabling the app to listen to the received messages. In other words, you subscribe to this event using chat delegate in your chat controller.

[QBChat.instance addDelegate: self];

Implement QBChatDelegate() methods you need in your chat controller.

/// MARK: - QBChatDelegate
extension YourViewController: QBChatDelegate {
    // MARK: - Manage chat receive message callback's
    func chatRoomDidReceive(_ message: QBChatMessage, fromDialogID dialogID: String) {
        // Called whenever group chat dialog did receive a message.
        // !!!note Will be called on both recipients' and senders' device (with corrected time from server)
    func chatDidReceive(_ message: QBChatMessage) {
        // Called whenever new private message was received from QBChat.
        // !!!note Will be called only on recipient device
/// MARK: - QBChatDelegate
// MARK: - Manage chat receive message callback's
- (void)chatDidReceiveMessage:(QBChatMessage *)message {
    // Called whenever new private message was received from QBChat.
    // !!!note Will be called only on recipient device
- (void)chatRoomDidReceiveMessage:(QBChatMessage *)message fromDialogID (NSString*)dialogID {
    // Called whenever group chat dialog did receive a message.
    // !!!note Will be called on both recepients' and senders' device (with corrected time from server)

Send message

To send a message, create QBChatMessage instance and specify a text of the message using text parameter. Call the send() method and pass the created QBChatMessage instance within it.

let message = QBChatMessage()
message.text = "How are you today?"

let privateDialog = ...
privateDialog.send(message) { (error) in
QBChatMessage *message = [[QBChatMessage alloc] init];
message.text = @"How are you today?";
QBChatDialog *privateDialog = ...;
[privateDialog sendMessage:message completionBlock:^(NSError * _Nullable error) {

What’s Next
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