sendotp.msg91.com : Two factor authentication or 2FA is the process to verify the users for website’s and user’s security. In two factor authentication process, transactional SMS plays an important role in sending OTP with the help of SMSs. When users put their request, a transactional SMS gateway API automatically generates a unique code and sends it to users’ numbers in messages. And, with this most cost-effective way websites can verify the users. In this era of technological advancement, everyone using internet for buying the products for that they share their account details on the website so, it’s a major responsibility of website’s owner to have proper security provisions for user’s account security. And, two factor authentication process helps you make your platform secure to navigate and pay online. msg91.com