01The problem

Customers find out about a failed payment, a security login, or a service outage too late, then call support angry instead of informed.

02Channel recommendation

Recommended

SMS

Reaches every phone instantly, no data connection required.

WhatsApp

Richer formatting and a delivery tick the customer can see.

Voice call

For alerts serious enough to need a human to pick up the phone.

03Message flow

Trigger

A system event fires: failed payment, low balance, security login, service disruption

Primary channel

SMS alert sent within seconds of the event

Fallback

WhatsApp copy sent in parallel for a richer, trackable version

Outcome

Customer acts on the alert before it becomes a support ticket

04Sample templates

Payment failure

Your payment of {{amount}} for {{service}} failed. Retry at {{link}} to avoid interruption.

Security login alert

New login to your {{brand}} account from {{device}} at {{time}}. Not you? Reply STOP to secure your account.

Low balance

Your {{brand}} wallet balance is {{amount}}. Recharge now to keep your service active.

05Setup steps

Register alert templates on DLT under the transactional category

MsgBridge

Identify the system events that should trigger an alert

You

Wire the trigger to the SMS/WhatsApp send API via webhook or backend call

You

Set up delivery-report monitoring so failed alerts are visible

MsgBridge

Ready to solve this with Alerts & Notifications?

Talk to us about your volumes and we'll recommend the right mix.