What Klaviyo is
A marketing platform built around purchase data. Store, order and behaviour signals feed segments, and email and SMS journeys run from those segments rather than from static lists.
It is aimed at brands whose marketing depends on what customers actually bought.
What you can do with it
- Build segments from order and behaviour data
- Run welcome, recovery and repeat purchase flows
- Send email and SMS campaigns
- Automate lifecycle journeys
- Generate copy in a consistent brand voice
- Optimise send timing
- Report on revenue attribution
Who it is for
- E-commerce brands and direct-to-consumer sellers
- CRM and retention teams
- Growth leads focused on repeat purchase
- Shopify-based merchants
What to watch out for
- Consent rules differ between email and SMS: SMS needs explicit opt-in in most markets
- Data volume drives cost, so list hygiene matters financially as well as legally
- Abandoned cart and recovery flows touch personal data and need retention rules
- AI-generated copy should be reviewed before it goes out under your brand
Pros & cons
✓ What we like
- Segmentation from real purchase behaviour
- Email and SMS in one platform
- Strong e-commerce integrations
- AI assistance for copy and timing
! What to watch out for
- SMS consent obligations are stricter
- Cost scales with data volume
FAQ
What is it for?
Lifecycle marketing through email and SMS, driven by customer and order data.
Who is it for?
E-commerce operators, CRM teams and growth leads working on conversion and repeat purchase.
Does AI write the campaigns?
It helps generate copy and optimise timing. Review before sending, since it represents your brand.
Last reviewed: 2026-09-15
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