SMS Fallback is a smart OTP delivery method where SMS acts as a backup for WhatsApp OTP failures. Indian businesses rely on this to avoid login issues and failed payments. Using SMS Fallback ensures OTPs reach users in low connectivity areas. Platforms such as anantya.ai integrate fallback logic, DLT compliance, and delivery tracking into one system. This setup improves OTP reliabilit... https://anantya.ai/blog/sms-fallback-for-whatsapp-otp-india/