High-value use cases
2FA, order confirmations, appointment reminders and fraud alerts are common drivers.
Compare conversion and cost per channel when balancing SMS vs WhatsApp.
Sender IDs and deliverability
Sender branding impacts trust. Follow carrier and provider guidance to avoid filtering.
Consent and STOP flows
For promotional traffic maintain provable opt-in/opt-out trails.
Chat API integration
Reuse auth and send patterns from WhatsApp; centralize webhooks and analytics for one operational pane.