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Verified Oct 15, 2026

Klaviyo

Verified Oct 15, 2026 Active
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Email and SMS marketing with predictive segmentation

email marketingsms marketingpredictive segmentationecommerce automationFreemium · from $20/mo

Listed on EffectHub ·

Web · API
Screenshot of the Klaviyo website
#2833
klaviyo.com as we captured it — our own screenshot, not the vendor’s press image.

Pricing

Pricing model
Freemium
Paid options from
$20/mo
Billing
Monthly

Free: 250 active profiles, 500 email sends, $5 of mobile messages and $5 of Composer usage a month, no card. Paid plans scale by active profiles and channel: the entry Email plan is $20 a month and Email + SMS $35 at 251–500 profiles, Composer alone is $20 a month, and support packages start at $500 and $1,800 a month. Prices are in USD even though the page geo-redirects to a /uk/ path; larger profile bands are priced in a calculator.

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Overview

About Klaviyo

Klaviyo runs email, SMS, MMS and push campaigns off e-commerce event data from Shopify, WooCommerce and other stores, predicting churn risk, lifetime value and next-order date per profile and building segments and flows from natural-language prompts through its Composer assistant. A Customer Agent and a helpdesk module extend the same customer data into service, and K:AI surfaces performance analysis and opportunities. The free plan covers 250 active profiles and 500 email sends a month; paid plans are priced by active profiles, starting at $20 a month for email and $35 for email plus SMS at 251–500 profiles, with support packages from $500 and $1,800 a month. The company is headquartered in Boston.

Platforms
Web · API
API
Yes
Last verified
Oct 15, 2026

Verified sources

  • Pricing page: Free plan with up to 250 active profiles, 500 email sends, $5 of mobile messages and $5 of Composer usage a month; structured data lists Email Plan (entry) $20.00 and Email + SMS Plan (entry) $35.00 for 251–500 active profiles; FAQ: Composer $20/month; support packages 'Starts at' $500 and $1,800 a month; prices labelled USD (15 October 2026)klaviyo.com ↗
  • Legal page: 'Klaviyo is a global company headquartered in Boston, Massachusetts with offices in the US, UK and Australia' (15 October 2026)klaviyo.com ↗
  • Developer portal: API reference versioned 2026-07-15 with Klaviyo-maintained SDKs in Python, PHP, Ruby and others (15 October 2026)developers.klaviyo.com ↗
Fact check

Is Klaviyo legit?

We don’t label tools safe or unsafe. Below are the records we checked ourselves, each with the date we read it.

Domain registered
Mar 29, 2012 (14 years ago)Registry record (RDAP), registrar NameCheap, Inc., looked up Sep 6, 2026
TLS certificate
Issued by Google Trust Services, valid until Nov 16, 2026Seen in our own connection to the site on Oct 15, 2026
Last checked
Oct 15, 2026The site answered
Operated by
Klaviyo, United StatesOur research, card verified Oct 15, 2026

How we collect these records

Editorial verdict

Pros & cons of Klaviyo

high confidence

The default marketing stack for Shopify-scale e-commerce because its data model is built around customer events rather than lists, so predictive fields and AI-built segments actually have something to work with. The free tier is a sandbox, the real cost climbs with active profiles, and once SMS, Composer usage and service modules are switched on the invoice has several meters, not one.

Pros

  • Pricing by active profiles with a real free tier (250 profiles, 500 sends) and no card
  • Predictive churn, lifetime value and next-order date per profile built in
  • Composer builds and audits flows and campaigns from natural-language prompts
  • Public REST API with maintained SDKs in Python, PHP, Ruby and more
  • Email, SMS/MMS, push and a helpdesk module share one customer profile

Cons

  • Costs step up with every active-profile band; the $20 entry price covers only 251–500 profiles
  • SMS, Composer usage and support packages are separate meters on top of the plan
  • The pricing page shows the entry bands and leaves larger bands to a calculator
  • The platform has widened into service and analytics, adding modules a small brand will not use

Best for

  • E-commerce brands on Shopify, WooCommerce or similar with real order data to segment on
  • Teams that want churn, lifetime-value and next-order predictions without a data scientist
  • Marketers who want flows and campaigns drafted from a prompt and audited by the same assistant

Not for

  • Newsletters and B2B lists with no purchase events, where a cheaper email tool does the job
  • Stores with large but inactive lists, since pricing is driven by active profiles

Watch out: 'Active profiles' means anyone who may receive marketing email, so an imported list of lapsed customers can push you up several price bands before a single send; suppress before importing.

#14inEmail Marketing & Newsletters· of 22 tools, ranked by rating and popularity

Klaviyo head-to-head

Side-by-side fact sheets against the competitors our research or their makers name — pricing, platforms, API and both verdicts on one page.

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