Sendinblue automatically processes the following SMS opt-out keywords:
- HELP: Sendinblue will respond with the following message: Msg&Data rates may apply. Reply STOP to cancel or call 844-744-2639.
- STOP: Sendinblue will automatically unsubscribe and blocklist the contact from your database to be excluded from future sending.
- START: Sendinblue will automatically subscribe the contact to receive SMS.
- INFO: Sendinblue will respond with the following message: To learn more, go to http://www.sendinblue.com. 1 msg/mo. Reply HELP for help, STOP to cancel. Msg&Data rates may apply.