This Prestashop module validates a customer based on OTP sent to a mobile number. This module uses BulkGate service to send messages. So, for this to work, you need a BulkGate account, from which you will get API ID and Token.
Verify Customer mobile number by SMS OTP
Works with Presta-SMS which has back end service of BulkGate
BulkGate is one of the cheapest and most reliable SMS service providers out there
All verified Customers are genuine and thereby prevent fake orders
Customers can be notified quickly through Mobile, even if they do not have internet or email access and notifications are always read
OTP SMS works in conjunction with only BulkGate. Note: We are NOT anyway related to BulkGate