Will I get an SMS prior to the gift card delivery?

Ofcourse, the receiver need to be aware that something special is been done by someone.

Once you purchase a gift card sender gets an Invoice Id in SMS/Email.

You being the sender. We even inform you as well with a confirmation Email post delivery completes.

The receiver gets an SMS alert to his/her surprise.

Any more details needed you know it. Check the mailboxes.