2️Setting Up and Connecting

Guide to setting up and connecting to the MQTT stream payment service.

Step 1: Install an MQTT-supporting application

You need an application or software that supports the MQTT protocol to connect to the system. Some popular applications you can download include:

• MQTTBox (for computers)

• MQTT Dashboard (for Android or iOS devices)

Step 2: Receive information from VietQR

After registering for the service, you will receive the necessary information from VietQR, including:

• Connection Address (Broker): This is the address of the VietQR system that you need to connect to perform transactions.

• Username and Password: You will use this information to log in to the system.

If you do not have this information, please contact VietQR's support team.

Step 3: Configure the connection to the system

Open the MQTT application you have installed and follow the steps to connect to the VietQR system by entering the information provided by VietQR, such as:

• Broker: The connection address for the VietQR server (provided).

• Username and Password: The VietQR login information (provided).