One time password is an unique combination of digits that can be 4 or 6. One time password generally used by verification and security reasons by the portals, websites, mobile applications etc. The process of sending OTP is known as two-factor authentication. We can send one time password with different means of communication like messaging, calls, email etc. SMS services is method amongst these type as it gives short and direct approach to the users along with cost effectiveness. There are
SMS service providers like MSG91 who offers dedicated OTP sending platforms they have built “SendOTP” which is used only for sending OTP with ultimate features like easy to integrate, backup server, backup voice SMS which assured 100% delivery of SMS.
