Create an SMS message

Use Journey Optimizer to send text messages to your customers on their mobile devices. You can create, personalize, and preview messages in text format from the SMS editor.


In accordance with the industry standards and regulations, all SMS marketing messages must contain a way for the recipients to easily unsubscribe. To do this, SMS recipients can reply with opt-in and opt-out keywords. Learn how to manage opt-out

SMS deliveries can be created:

  • In a Journey: Once you added an SMS activity in your journey, and defined basic settings, use the Actions: SMS right pane to create the content for the SMS message.

    For more information on how to configure your journey, refer to this page.

  • In a Campaign: Once you created a campaign, select SMS as your action and define basic settings.

    For more information on how to configure your campaign, refer to this page.

If this is your first time creating an SMS message, make sure the SMS channel has been configured. Learn more.

Define your SMS content

To start personalizing your SMS message, follow these steps:

  1. Click the Message field to open the Expression editor.

  2. Use the Expression editor to define content and add dynamic content. You can use any attribute, such as the profile name or city. Learn more about personalization and dynamic content in the Expression editor.

  3. Click Save and check your message in the preview.

Validate your SMS


For better deliverability, you should always use the phone numbers in the formats supported by the provider. For example, Twilio and Sinch only support phone numbers in E.164 format.

Once your message content has been defined, you can use test profiles to preview and test it. If you inserted personalized content, you can check how this content is displayed in the message, using test profile data.

To visualize how your SMS message displays on mobile devices, click the Simulate content tab. Learn more about content simulation in this section.

You must also check alerts in the upper section of the editor. Some of them are simple warnings, but others can prevent you from using the message. Learn more in this section.

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