Maintain a high-quality database with Opt-out – allow customers to unsubscribe from the SMS newsletter by clicking on a link added to a message. Save points on your account and keep the most interested customers in your database.
The Opt-out SMS function allows you to add URL into the SMS message which unsubscribes a given user from the database in the SMSAPI Customer Portal.
It is the automated functionality that allows you to fully adapt your SMS activities to the GDPR requirements.