SMS Fallback is a reliable method that sends OTPs by SMS if WhatsApp OTP is delayed or blocked. In Indian markets, SMS Fallback helps maintain OTP reliability under DLT rules and network challenges. Businesses benefit from fewer authentication failures and smoother user journeys. anantya.ai designs integrated OTP systems that combine WhatsApp and SMS efficiently, ensuring secure verif... https://anantya.ai/blog/sms-fallback-for-whatsapp-otp-india/