WhatsApp OTP API in India (2026): How It Works, Costs and Setup
How WhatsApp one-time passwords work in India on Meta's Cloud API, what each code costs (Meta ₹0.115 + PayPerWA ₹0.20 per OTP, with no subscription or DLT registration), how to send and verify codes with PayPerWA's two-call Verify API or with your own code, and when to keep SMS as a backup.









