Official WhatsApp Business API
Keep customers informed automatically — order updates, OTPs, appointment reminders and alerts delivered instantly to the app they actually check.
WhatsApp notifications are automated, transactional messages — order confirmations, shipping updates, OTPs, payment receipts, appointment reminders and account alerts — sent programmatically over the official WhatsApp Business API. Because they arrive in the app customers open dozens of times a day, they're read almost immediately, unlike SMS or email that gets ignored.
These are mostly Utility and Authentication messages in Meta's framework, triggered by events in your systems. Defuser connects those triggers to approved templates, so the right message goes out the instant something happens — no one on your team lifting a finger.
Set it up once, then it runs itself.
Link order, booking and account events from Shopify or your systems to Defuser.
Create Meta-approved Utility and Authentication templates for each notification type.
When an event fires, the right message goes out instantly — confirmations, OTPs, reminders and more.
Fire messages automatically the moment an order, booking or account event happens.
Send native order, shipping and tracking notifications straight from your store.
Deliver one-time passcodes and verification messages instantly and securely.
Customers can respond to a notification and Talksy handles the conversation.
Use Meta-approved Utility and Authentication templates so alerts always deliver.
Confirm every notification was sent, delivered and read with full visibility.
SMS is expensive and one-way; email lands in spam and goes unread. WhatsApp notifications are instant, rich and two-way — a customer can reply to a shipping alert and Talksy will handle it. For stores, this pairs perfectly with native order tracking and cart recovery. Estimate your per-message costs with the pricing calculator before you launch.
Order confirmations, shipping and tracking updates, OTPs and verification codes, payment receipts, appointment reminders, account alerts and more — mostly Utility and Authentication message types under Meta's rules.
Utility and authentication notifications tied to a transaction the customer initiated are permitted under Meta's rules with proper opt-in. Defuser manages opt-ins and uses approved templates so your alerts deliver and your number stays safe.
Yes. Defuser integrates natively with Shopify, so order confirmations, shipping updates and tracking alerts fire automatically from store events. See the order tracking page.
Yes — that's the advantage of WhatsApp over SMS. A customer can reply to a shipping or reminder message, and Talksy AI or your team handles the conversation right there in the inbox.
Defuser plans start at $0 and scale to $299/mo, plus Meta's per-conversation fees, which differ for Utility and Authentication messages by country. Use our calculator to estimate notification costs for your market.
Start free. Trigger instant WhatsApp alerts from every order, booking and account event.
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