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Where AI, data and channels truly work as one

Trusted by 205,000+ brands

Coordinate omnichannel campaigns and flows in one place

Design and manage multi-segment, multi-message campaigns and automated flows across email, text, push, web and WhatsApp from a single visual interface.

Stay ahead of every send

Plan, collaborate, and schedule campaigns with full visibility into which audiences receive which message, when, and where.

Optimise every channel

Maximise conversion by automatically sending messages through the optimal channels based on customer profile data, preferences, and real-time engagement patterns.

Measure what matters

Track performance with both high-level aggregate results and granular, message-specific metrics across every campaign and flow.

Reach customers where they’re most engaged every time with AI

Klaviyo AI decides who to reach, what to say, which products to recommend, when to send, and how to sequence channels—using your customer data to personalise every message.

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Boost engagement and conversion with AI-powered channel affinity that picks the best channels for each customer based on their behaviour.

Go from idea to a launch-ready omnichannel campaign in minutes with Composer.

Deliver each message when a customer is most likely to open, click and buy with AI-powered personalised send time.

With Customer Agent, deliver personalised experiences across every channel and in every language your customers use.

CUSTOMER SPOTLIGHT

Omnichannel marketing that’s fuelling real growth

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23%

YoY growth in SMS revenue in first 70 days with consolidated Klaviyo stack

Read Rebecca Minkoff’s story
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20%

DTC revenue growth with help from Klaviyo email + text

Read Tatcha's story
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20%

DTC revenue growth with help from Klaviyo email + text

Read Loop Earplug’s story
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54%

of ecommerce revenue from Klaviyo in 2025

Read Boston Proper’s story

Drive action with best-in-class, interactive channels

With all your highest-impact channels built into one platform, Klaviyo moves you beyond siloed sends so you can spark conversations that convert.

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Email

Drive steady sales and lasting loyalty with powerful features.

Explore email

SMS

The ultimate way to connect with customers on the go.

Explore SMS

RCS

Elevate your SMS sends with rich media, verified brand presence, and more.

Explore RCS

Social

Turn likes into leads and enhance targeting with richer data and audience syncing.

Explore social

WhatsApp

Connect globally through real-time, interactive conversations.

Explore WhatsApp

Mobile app marketing

Keep customers in the loop with timely app notifications.

Explore mobile app

Website

Tailor site content to each visitor based on profile and engagement data.

See the full picture of how each message is driving revenue

Klaviyo's attribution reflects how customers actually buy, so you can fully understand the impact of your marketing efforts across moments and channels.

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Multi-touch attribution

Give credit where it's due by tracking how channels, campaigns and flows work together to influence sales.

Custom attribution setup

Define which interactions matter to your business, customise attribution windows, and ignore what isn't relevant (like bots)

Retroactive attribution updates

Adjust your attribution model at any time, preview the changes, and apply it retrospectively for accurate, like-for-like attribution.

Omnichannel attribution

Track performance across all channels, including experiences built outside Klaviyo (ads, social media, etc.), for a truly holistic view of effectiveness.

Additional omnichannel resources

10 omnichannel tactics proven to drive BFCM sales

Learn what omnichannel marketing is and how it unifies channels like email, SMS, and in-store touchpoints to deliver seamless, personalised customer experiences.

Learn more

What is an omnichannel customer experience?

Learn how to deliver an omnichannel customer experience by unifying data and personalising every interaction across email, SMS, WhatsApp, and in-store.

Learn more

Omnichannel analytics: how to measure performance across touchpoints

Learn how omnichannel analytics helps you track, attribute, and optimise performance across email, SMS, WhatsApp, and more—all from one unified platform.

Learn more

Explore the rest of B2C CRM

Omnichannel marketing FAQs

What is omnichannel marketing?

Omnichannel marketing is a strategy that connects all customer touchpoints—like email, SMS, and others—into a seamless, real-time journey. It uses a unified customer profile and AI-driven insights to deliver personalised messages across every active channel.

How is omnichannel different from multichannel marketing?

‘Multi’ means ‘multiple’, so a multichannel marketing strategy uses more than one channel to reach customers—often independently. ‘Omni’ means ‘all’, and in omnichannel marketing, the focus is on integrating all active channels to create a seamless and coordinated customer experience across them.

Which marketing channels does Klaviyo Omnichannel support?

Klaviyo supports omnichannel marketing across:

  • Email messaging
  • Text messaging (SMS, MMS, RCS)
  • Mobile push notifications and in-app messaging
  • WhatsApp
  • Product reviews
  • In-store activity (via POS integrations)

All channels are connected through a single B2C CRM for consistent messaging and improved results.

What is the process for building omnichannel marketing campaigns?

To create a successful Klaviyo omnichannel campaign, start by:

  • Building a unified customer profile from data across touchpoints
  • Defining customer journeys that span multiple channels
  • Using Klaviyo’s automation tools to trigger timely, personalised messages based on real-time behaviours
  • Testing and refining based on omnichannel performance metrics

Can I automate omnichannel campaigns?

Yes. With Klaviyo’s marketing automation, you can automatically trigger emails, texts, and other messages based on real-time customer activity—like purchases, site visits, and engagement across channels. This ensures timely, relevant communication that adapts as your customers interact.

How do I measure omnichannel marketing performance?

Klaviyo offers cross-channel analytics and attribution, giving you a complete view of how each marketing channel contributes to customer engagement and conversions. Monitor performance across campaigns and flows to see what’s working—and where to optimise for higher ROI.