Handling Unknown Phone Numbers - New Users

You may find that once you get SMS up and running with Braze that you receive messages from unknown users. Noted below are the steps through which an unidentified user and number get processed.

Opt-In/Out and Custom Keyword Workflow for Unknown Numbers

Braze automatically addresses an unknown number in one of three ways:

  1. If an opt-in keyword is texted:
    • Braze creates an anonymous profile
    • Our system sets the phone attribute
    • Subscribes the user to the corresponding subscription group based on what opt-in keyword was received by Braze.

  2. If an opt-out keyword is texted:
    • Braze creates an anonymous profile
    • Our system sets the phone attribute
    • Unsubscribes the user from the corresponding subscription group based on what opt-out keyword was received by Braze.

  3. If any other custom keyword is texted:
    • Braze ignores the text message and does nothing.
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