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Send bulk messages

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When you need to send bulk messages with the same content, the group message assistant lets you quickly send verification codes, notifications, and promotional messages.

Prerequisites

Usage

  • The group message assistant provides a visual interface for sending messages, making it ideal for beginners and non-developers.

  • The group message assistant automatically validates phone numbers, alerts you to invalid entries, and removes duplicates. The deduplication rules are as follows:

    • If a message template includes a variable, messages sent to the same phone number with different variable values are not considered duplicates.

    • If a message template does not include a variable, messages sent to the same phone number are considered duplicates and are removed.

  • Approval of a message template does not guarantee successful delivery. Content for certain industries, such as medical marketing, is blocked during the sending process and cannot be sent using the group message assistant. If a task fails, check the failure reason on the task details page, adjust your message content, and create a new sending task.

Procedure

Domestic messages

  1. Log on to the Short Message Service console.

  2. In the left-side navigation pane, choose Domestic Messages > Group Message Assistant > Add Sending Task.

  3. Configure the task parameters.

    Parameter

    Description

    Task name

    Enter a name for the task. The name can be up to 30 characters long.

    Message signature

    Select a message signature for the sending task.

    Message template

    Select a message template type, then choose an approved template.

    Note

    • If you select Verification Code as the template type, you can only select templates of the verification code type.

    • Sending verification code messages using the group message assistant can cause delays. This method is not suitable for scenarios such as user registration or logon.

    Recipient numbers

    You can specify recipient numbers by using one of the following methods: Import Recipient Numbers from File or Manually Enter Recipient Numbers.

    • Import Recipient Numbers from File

      1. Click Download Example and fill in the recipient numbers based on the template. The file must contain phone numbers in the first column and template variable values in the second column. If the template type is Verification Code, enter a 4- to 6-digit verification code in the code column, for example, 123456.

      2. Click Import File to upload the file that contains recipient numbers.

    • Manually Enter Recipient Numbers

      Enter the recipient phone numbers.

    Note

    • If the message template contains a variable, you must import recipient numbers by using the Import Recipient Numbers from File method.

    • The Manually Enter Recipient Numbers method supports a maximum of 1,000 phone numbers. For larger batches, we recommend that you import numbers from a file.

    Scheduled sending

    Enable Scheduled Sending to send the messages at a specific date and time.

    Note

    • To cancel a scheduled task, you must click Revoke on the group message assistant page at least 5 minutes before the scheduled time. For example, if a message is scheduled for 10:00, you must revoke the task before 09:55, after which it cannot be canceled.

    • For domestic messages, you can schedule sending only between 08:00:00 and 21:59:59 each day.

  4. Click Submit.

    The system typically processes tasks within 10 minutes of submission.

  5. After you submit the task, you are redirected to the group message assistant page. In the task list, click Details in the Actions column to view the task details page.

  6. In the Sending Result or Recipient Number Details section, click the Refresh icon to manually update the sending status.

    The Sending Result section shows statistics for Total Sent Numbers, Sent Successfully, Sending Failed, and Sending. The Recipient Number Details table displays the Receiving Time, Sending Result, Reason for Failure, and Suggestion for each number.

International messages

  1. Log on to the Short Message Service console.

  2. In the left-side navigation pane, choose International/Hong Kong, Macao and Taiwan Messages > Send Messages > Group Message Assistant.

  3. Click Add Sending Task and configure the parameters for the task.

    Parameter

    Description

    Task name

    Enter a name for the task. The name can be up to 30 characters long.

    Message signature

    Select a message signature for the sending task.

    Message template

    Select a message template type, then choose an approved template.

    Note

    • If you select Verification Code as the template type, you can only select templates of the verification code type.

    • Sending verification code messages using the group message assistant can cause delays. This method is not suitable for scenarios such as user registration or logon.

    Recipient numbers

    You can specify recipient numbers by using one of the following methods: Import Recipient Numbers from File or Manually Enter Recipient Numbers.

    • Import Recipient Numbers from File

      1. Click Download Example and fill in the recipient numbers based on the template. The file must contain phone numbers in the first column and template variable values in the second column. If the template type is Verification Code, enter a 4- to 6-digit verification code in the code column, for example, 123456.

      2. Click Import Numbers to upload the file that contains recipient numbers.

    • Manually Enter Recipient Numbers

      Enter the recipient phone numbers.

    Note

    • If the message template contains a variable, you must import recipient numbers by using the Import Recipient Numbers from File method.

    • The Manually Enter Recipient Numbers method supports a maximum of 1,000 phone numbers. For larger batches, we recommend that you import numbers from a file.

    Scheduled sending

    Enable Scheduled Sending to send the messages at a specific date and time.

    Note

    • To cancel a scheduled task, you must click Revoke on the group message assistant page at least 5 minutes before the scheduled time. For example, if a message is scheduled for 10:00, you must revoke the task before 09:55, after which it cannot be canceled.

    • SMS messages to mainland China can be sent only between 08:00:00 and 21:59:59 each day.

  4. Click Submit Sending Task.

    The system typically processes tasks within 10 minutes of submission.

  5. After you submit the task, you are redirected to the group message assistant page. In the task list, click Details in the Actions column to view the task details page.

  6. In the Sending Result or Recipient Number Details section, click the Refresh icon to manually update the sending status.

    The Sending Result section shows statistics for Total Sent Numbers, Sent Successfully, Sending Failed, and Sending. The Recipient Number Details table displays the Receiving Time, Sending Result, Reason for Failure, and Suggestion for each number.

Export sending records

After a task is created, you can go to the group message assistant page and click Details in the Actions column. On the details page, you can view the Basic Information, Sending Result, and Recipient Number Details for the task. You can also export the recipient number details.

Generate an export task

  1. In the Recipient Numbers Details section of the current task, click the Export button.

    The Apply for Export History dialog box appears, indicating that you can export sending data from the last 60 days. In the Sending Result section, select the statuses that you want to export (Sending, Failed, and Successful), and then click OK.

  2. In the Request to Export Records dialog box, select the statuses to export, such as Sending, Failed, or Successful.

  3. Click OK to generate an export task. In the Export Records dialog box, you can perform operations such as Download.

    Note

    • The system generates the export file using the latest message sending details.

    • It takes time to process a sending task. Do not export the results immediately after the task is submitted.

    • You can export sending data from the last 60 days. After an export task is generated, you cannot create another export task within 5 minutes to reduce the risk of abuse.

View export records

  1. After the export task is generated, click Export Records to open the pop-up window.

    The list includes details such as File Name, Exported Data, Export Result, and Export Time.

  2. In the dialog box, you can search for export tasks by File Name and Task Result.

    • Search by File Name: Exported files are named using the format [Task Name+Date+HHMMSS]. You can search for files by name, using either exact or partial matches.

    • Filter by Export Result: You can filter records by export status: Successful, Failed, or Sending.

  3. Click Download in the Actions column to save the task file to your local machine.

    Note

    • If a task fails to export, you can click Retry in the Actions column to try the export again.

    • If you click Delete in the Actions column, the current export record is deleted and cannot be recovered.

    • Export records are stored in the Short Message Service console for 60 days. After 60 days, you can no longer download them.

API reference

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