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Double opt-in process

You might find that some users who might send a text to your short or long code, won’t yet be opted-in to your SMS subscription group. Regulations require that you obtain a user’s explicit consent before you send them any promotional or informational messaging. We highly recommend implementing a double opt-in to ensure compliance.

We suggest setting a triggered entry in Canvas whenever there’s an incoming event sms_response_subscriptionGroupName_custom. Refer to Custom keyword messaging handling for more information.

Step 1: Create a webhook

We first suggest creating a webhook campaign that makes a request to the /subscription/status/set endpoint to subscribe the user to that SMS subscription group.

Step 2: Send an SMS campaign

Next, we recommend sending an SMS campaign a few seconds later, with clear call-to-actions along the lines of:

SMS message with the text "Braze: Thanks for your interest in Deal Texts! Expect three messages a month! Reply YES to join, STOP to stop, HELP for help. Message and data rates may apply."

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