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Klaviyo

Klaviyo SMS: How Pricing and Setup Actually Work

Klaviyo SMS is a native channel, not a bolted-on add-on, billed by message volume and country, with a dedicated sending phone number you register for your account. It can trigger off the same event-driven Flows email does. It runs into the same limit email does too, the moment the real trigger lives outside Klaviyo's reach.

How Klaviyo SMS pricing and setup actually work

SMS is priced on message volume, with rates varying by destination country, separate from your email sending allowance. Getting started requires registering a dedicated phone number for your account (a process with its own carrier-level compliance requirements, particularly in the US), and collecting SMS-specific opt-in, which, like Mailchimp's SMS, is legally distinct from email consent and can't be assumed from an existing email subscriber.

Once set up, SMS slots into the same Flow builder as email, so an abandoned-cart or post-purchase Flow can include an SMS step alongside or instead of an email, with the same segment and trigger logic underneath.

Current availability leans toward the US, Canada, UK, and Australia, with other regions supported to varying degrees, so check current country coverage before building an SMS-dependent flow for an international audience.

Where SMS Flows hit the same wall email Flows do

An SMS triggered by "Placed Order" that goes out before the order is actually confirmed in your fulfillment system creates the same kind of trust problem a premature shipping email does, worse, since a text reads as more immediate and more personal. The fix is the same one described on our Klaviyo Flows page →: connect the real event, not an approximation of it, to the trigger.

What that looks like built out

01

An SMS Flow triggered by the real fulfillment event

A shipping text fires when your warehouse or 3PL actually confirms the handoff, not an estimate based on when the order was placed.

02

Opt-in status tracked accurately across systems

SMS consent captured at checkout or through a loyalty program syncs into Klaviyo as a real, accurate opt-in flag instead of depending on someone re-entering it by hand.

03

What's your SMS Flow actually waiting on to be accurate?

If the real trigger lives outside Klaviyo, that's a connection we can build.

Let's talk

Paying for Klaviyo SMS sends that sometimes go out on bad information?

Tell us what event your SMS Flow is supposed to react to, and where that event actually happens in your business. We'll connect it so the text matches reality. SMS is just one channel; n-frames automates whatever's manual, wherever it actually lives in your business.

Let's talk →

Questions people ask

How much does Klaviyo SMS cost?

It's priced on message volume with rates that vary by destination country, billed separately from your email sending. Klaviyo's own pricing page has current rates since they change by region and volume tier.

Do I need a dedicated phone number for Klaviyo SMS?

Yes, you register a dedicated sending number for your account, which comes with its own carrier-level compliance registration, particularly for US sending, before you can send messages.

Can I text my existing Klaviyo email subscribers?

Not automatically. SMS opt-in is legally separate from email consent, so a contact has to explicitly opt in to text messages specifically before you can send to them, regardless of their email subscription status.

What countries does Klaviyo SMS support?

Coverage is strongest in the US, Canada, UK, and Australia, with other regions supported to varying degrees. Check current documentation before building an SMS-dependent Flow for an audience outside those core markets.

Can an SMS and email be part of the same Klaviyo Flow?

Yes, SMS is a step type inside the same Flow builder used for email, so a single Flow can combine both channels using the same trigger and segment logic.

Let's talk

Tell us the one thing your team does manually that eats up time. We read every message and reply within a day.