SMS that converts, with compliance built in
High-urgency sends, offer redemptions, and lifecycle follow-ups, with opt-out enforcement and STOP/HELP handling on every message.
Trusted by lifecycle teams at





Write messages that work in 160 characters
Character limits enforced in the editor, not discovered after send.
160-character enforcement
Live character and segment counter flags copy that exceeds one segment during writing.
Auto-concatenation
Longer messages are split and joined back together automatically. Most devices show them as one message.
Personalization in body
Use {{first_name}}, {{offer_code}}, or any profile field with fallback values.
Compliance enforced on every single send
TCPA opt-out and STOP/HELP handling are automatic, not manual processes.
Opt-out list enforcement
Users who replied STOP are permanently excluded from every subsequent send.
STOP / HELP auto-handling
STOP opts the user out immediately. HELP replies with your business name and opt-out instructions.
TCPA compliance
Every recipient must have a valid SMS opt-in. Users without one are excluded before send.
Put SMS where it drives the most action
SMS works best for urgent messages. Use it as a follow-up, not the first touch.
Journey integration
Use SMS as a high-urgency follow-up when email and push go unanswered.
Event-triggered sends
Trigger on a specific user action: offer expiry, appointment reminder, milestone.
Scheduled sends
Deliver in each user's timezone, with quiet hours, so messages don't arrive at bad times.
“We plugged in Sortment and by the end of the day, every customer touchpoint was together. Sortment’s AI surfaced churn-prone users so we could act before they left.”
— Divyeshwari Singh, PMM, Shopflo
Everything SMS can do
The full capability set: content, compliance and delivery.
Content
| 160-char enforcement | ✓ |
| Auto-concatenation | ✓ |
| Personalization + fallbacks | ✓ |
| MMS image support | ✓ |
Compliance
| TCPA opt-in required | ✓ |
| Opt-out enforcement | ✓ |
| STOP / HELP auto-handling | ✓ |
| Suppression across campaigns + journeys | ✓ |
Delivery
| Event-triggered sends | ✓ |
| Scheduled sends | ✓ |
| Timezone-aware delivery | ✓ |
| Quiet hours | ✓ |
Journey
| Journey integration | ✓ |
| Fallback after email + push | ✓ |
Reporting
| Click tracking | ✓ |
FAQs
How is TCPA compliance handled?
What happens when a user replies STOP?
Can I send messages longer than 160 characters?
Do I need to collect opt-ins myself?
Can SMS be a fallback step in a journey?
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No migration · Works alongside your existing stack