SMS Fallback Implementation Guide for Indian Markets

SMS Fallback creates seamless OTP delivery by automatically switching from WhatsApp to SMS when needed. This backup approach addresses India's unique digital landscape where internet availability, app usage, and device capabilities vary dramatically across regions. The guide provides step-by-step implementation details including API integration, trigger timing optimization, and compliance setup. Businesses using SMS Fallback through platforms like Anantya.ai report 99.5% delivery success versus 88% with SMS only approaches. You'll explore cost structures showing ₹0.40 per WhatsApp OTP versus ₹0.15 for SMS backup, with overall monthly costs around ₹3.25 lakhs for million transactions. Learn about security protocols, DLT template requirements, and delivery report logging. The article includes fintech case studies, comparison tables, and best practices for maintaining consistent user experience across both SMS Fallback channels throughout verification processes. Contact now!