SMS Fallback plays a important role in maintaining OTP delivery continuity when WhatsApp fails. In the Indian market, OTP reliability directly impacts conversions and user retention. Implementing SMS Fallback reduces authentication errors and improves delivery coverage. With providers such as anantya.ai, businesses benefit from smart routing where SMS Fallback strengthens OTP workflow... https://anantya.ai/blog/sms-fallback-for-whatsapp-otp-india/