Four channels, one source of truth. Below each preview is the literal text that goes out of 4notify to real recipients — no marketing gloss, no hypothetical mockup.

Transactional email

Receipts, resets, alerts — straight to the inbox, signed and authenticated.

Receipt #INV-29481 — Pro subscription

Thanks! Your payment of $49.00 for May has cleared. Your invoice PDF is attached for your records.

To [email protected]today, 09:14

Reset the password on your account

Tap the link below within the next 15 minutes to set a new password. If you didn't request this, you can safely ignore the message.

To [email protected]today, 10:42

SMS — 10DLC and toll-free

US-native numbers with carrier-compliant content and sub-5-second delivery.

Verification code

Your 4notify verification code is 184 902. It expires in 5 minutes. Don't share it with anyone.

+1 (415) 555-014212s ago

Order confirmed

Order #3201 ships tomorrow via USPS. Tracking: usps.com/4n/aB7. Reply STOP to opt out.

+1 (646) 555-01883m ago

WhatsApp Business

Utility and authentication conversations on the official Meta Cloud API.

Appointment reminder

Hi Maria — confirming your visit tomorrow at 2:30 PM with Dr. Larsen. Reply 1 to confirm, 2 to reschedule.

yesterday, 18:02

+1 (212) 555-0107

Delivery update

Your shipment cleared the local hub. The courier will call you between 10 AM and 1 PM tomorrow. Thanks for shopping with us!

1h ago

+1 (929) 555-0119

Webhook fan-out

Signed HMAC payloads, exponential-backoff retries, replay from the console.

X-4notify-Signature: t=171…

POST https://hooks.client.io/4n

{"event":"invoice.paid","invoice_id":"INV-29481","amount":4900,"currency":"USD","attempt":1}

200 OK · 312ms

X-4notify-Signature: t=171…

POST https://crm.tenant.com/sync

{"event":"contact.updated","id":"ct_91","fields":["email","phone"],"tenant":"acme"}

200 OK · 88ms

Every example above is taken from a template running in production; names and amounts are scrubbed for privacy.

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