OTP Sms Service
OTP or one time password is a 4 to 6 digit number which is non volatile or temporary and is valid for one time use. It is used in 2 factor authentication ; OTP adds extra security in online transaction and verification for user details and the layers should be broken simultaneously. OTP SMS are sent on registered mobile numbers of users. OTP defend unauthorized attack and ensure that’s ystem cannot be intervene without accomplishment of user.