OTP SMS Service Provider in India

OTP SMS, or One-Time Password SMS, is a secure method of authentication where a unique, time-sensitive code is sent to a user’s mobile number via SMS. This code is used to verify the identity of the user during processes such as login, registration, password reset, or to authorize online transactions. OTPs are generated automatically by systems and are valid for only a short period, typically a few minutes, making them highly secure and effective in preventing unauthorized access. Since OTP SMS messages are classified as transactional, they can be delivered at any time, even to users who are on DND (Do Not Disturb) lists. This type of SMS ensures a quick, reliable, and user-friendly way to add an extra layer of security to digital interactions.