SMS services is the most popular solver for the tasks when there’s a need to verify the user by sending one-time password (2FA authentication).
The same popularity refers to submitting alerts about actions regarding the service or sending notifications about events.
Notifying users by SMS relates to customer care that is always vital, whereas the point of security for the web-services or online services nowadays holds utmost important place especially when GDPR has been implemented in regards to protection of personal data.
No worrying of that – the SMS services are the ones which can handle all that.
Just make a connection via API and get guaranteed options: