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    Chat App Message Service:Send WhatsApp messages

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    Chat App Message Service:Send WhatsApp messages

    Last Updated:Jan 08, 2026

    This topic explains how to send WhatsApp messages in Chat App Message Service.

    Before you begin

    Procedure

    1. Log on to the Chat App Message Service console.

    2. In the left navigation pane, choose Channel Management.

      Note

      If you are a service provider, Channel Management appears as Customer Management in the navigation pane.

    3. Find the desired WhatsApp channel and click its Channel ID or the Manage button.

    4. On the channel details page, select Message Sending. Set Language to specify the language of the message template.

    5. Click Select Template to select an approved message template from the drop-down list.

      Note

      The template list is filtered by your selected Language, showing only approved templates in that language.

    6. Select a Send Account.

      Note

      Available options are verified phone numbers on the Phone Number Management page.

    7. Select a Send Type.

      • Timing Send: Specify a future date and time to send the message.

      • Immediately: Send the message immediately after you click Send.

    8. Select a Fallback Policy.

      • None: Do not use a fallback.

      • The drop-down list shows existing fallback policies.

      Note

      • To configure a fallback policy, you must first enable the Short Message Service (SMS) on the Service Settings page.

      • When a fallback policy is active, it is triggered if a message's delivery status is undelivered or sentFailed. Other failures, such as a deleted message template or invalid parameters, also trigger the fallback.

    9. Select a method for adding recipients:

      • Upload Excel File: Recommended for sending messages to a large number of recipients. Click Download Template to get a sample file, fill it with recipient phone numbers, then click Upload File to upload it.

        Note

        • The Download Template button is disabled until you select a message template.

        • If your message template contains variables, you must use the Upload Excel File method to import recipients. Do not modify the column headers in the template file, or variable mapping will fail.

      • Import Phone Number Group: Recommended for sending messages to a small number of recipients. Click Add Phone Number to manually enter phone numbers.

      • Import Group: Recommended for messaging pre-defined audiences. To create a new group, choose Intelligent Marketing > Audience Management in the left navigation pane, then click Create Group.

    10. Click Send.

      After a message is sent, you can view its details on the Message List page. For more information, see Message list.

    References