WhatsApp Business API is the secure channel for banks and BFSI to send OTPs, alerts and payment reminders through structured templates. WhatsApp Business API guide explains NPCI guidelines, KYC flows and UPI onboarding for compliant messaging in 2025. The article walks through Cloud vs BSP choices, DLT registration and template submission steps. You will find integration checklists, p... https://anantya.ai/blog/whatsapp-business-api-india-2025-guide/