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Composer

Composer turns ideas into launch-ready campaigns

Describe what you want to build. Composer crafts complete campaigns from a simple prompt. Audience, copy, email, SMS, flows—all grounded in your brand, your data, and 14 years of what actually works across 193,000 Klaviyo brands. Review it, approve it, launch it, done.

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Customer Agent

Disclaimer: Customer Agent is currently available in English. Additional languages will be available later this year.

New Customer Agent skills automate your highest‑volume retail requests

Customer Agent builds on its existing skills with even more purpose-built retail capabilities: order edits, returns, subscription changes, loyalty lookups, and more. Ready out of the box, no setup required. A new Skills page gives your team one place to see what’s live, what needs setup, and how every skill is performing.
AI customer agent platform What is a customer agent?

New Customer Agent skills automate your highest‑volume retail requests

Automate high-volume ecommerce support with new purpose-built Customer Agent skills—including order edits, returns, subscription changes, and loyalty lookup—ready to use out of the box.

Opportunity

Retail support teams handle high volumes of repetitive service requests that are difficult to automate without significant custom setup.

Example

A customer asks to change the size of an item in their order, and Customer Agent instantly updates the order or guides the customer through the edit without requiring a human agent.

Value

Automate common retail service requests

Reduce repetitive support ticket volume

Accelerate automation with pre-built skills

Learn more

Control how Customer Agent represents your brand

With Agent guidance, you can now control how your Customer Agent represents your brand, including the agent’s tone, conversational style, decision-making rules, and when it should escalate more sensitive situations to a human agent.
Customer agent help center
Form for creating a Customer Agent behavior rule. The rule is named "Use simple language" with a description instructing the agent to avoid jargon, with plain-language examples. "Optimize with AI" and "Enable" buttons appear at the bottom.

Control how Customer Agent represents your brand

Give your support team precise control over your AI agent's tone, conversational style, decision-making rules, and escalation criteria—so every automated interaction stays on brand.

Opportunity

AI agents can deliver fast responses, but without clear guardrails they often sound generic, handle sensitive situations inconsistently, or fail to loop in a human at the right moment.

Example

A frustrated customer reaches out about a delayed order. Instead of a generic reply, the AI agent responds in the brand's voice, follows predefined rules for handling shipping issues, and automatically escalates the conversation to a human agent when frustration signals hit a set threshold.

Value

Set a custom tone and persona for your AI agent

Create rules for when the agent should escalate to a human

Keep every automated conversation consistent and on brand

Learn more

Customer Agent now on email and WhatsApp

Customer Agent now supports email and WhatsApp, bringing the same fast, accurate, on-brand AI to these highest-volume support channels. Every conversation is powered by the same agent, with the same brand voice, customer context, and seamless handoff when a human needs to step in.
AI-powered customer support agent WhatsApp marketing platform WhatsApp customer service tools

Customer Agent now on email and WhatsApp

Extend Klaviyo’s AI-powered Customer Agent to email and WhatsApp, automating high-volume support across more of the channels customers already use.

Opportunity

Support teams handle large volumes of repetitive inquiries across channels but lack unified automation to respond quickly and efficiently.

Example

A customer emails asking about a return, and Customer Agent instantly responds with the correct policy and next steps using the brand’s order data and support rules.

Value

Automate support across more channels

Reduce cost from repetitive inquiries

Deliver faster, consistent customer responses

Learn more

K:Marketing

Turn Instagram followers into subscribers automatically

Social auto-replies convert Instagram followers into email, text, and WhatsApp subscribers–connecting social media reach to owned channels that drive revenue.
Kulani Kinis case study Grow your list with Instagram

Turn Instagram followers into subscribers automatically

Turn Instagram engagement into compliant subscriber growth by automatically converting followers into email, text, and WhatsApp subscribers.

Opportunity

Brands need new, high-intent ways to grow owned audiences beyond traditional website forms and paid acquisition channels.

Example

A shopper comments on an Instagram post, receives an automated reply, and opts in to join the brand’s email or text list directly from Instagram.

Value

Convert followers into owned subscribers

Diversify list growth beyond onsite

Turn social engagement into loyal customers

Get startedLearn more

RCS makes text messages richer and more engaging

RCS business messaging is now generally available in Klaviyo. Send interactive, branded messages with carousels, suggested replies, and rich media. Works with your existing SMS flows, and texts land in the same texting app customers already use.

Set up RCS
What is RCS messaging? RCS vs SMS vs MMS explained

RCS makes text messages richer and more engaging

Deliver rich, branded, and interactive mobile experiences directly inside the messaging inbox using RCS—bringing app-like visuals and actions to Klaviyo’s text channel.

Opportunity

Traditional SMS limits marketers to plain text messages, making it difficult to stand out, build trust, and drive meaningful interaction in crowded mobile inboxes.

Example

A brand sends an RCS campaign featuring a product carousel with images, pricing, and “Shop Now” buttons—allowing customers to browse and purchase directly from the message.

Value

Create rich, branded mobile messaging experiences

Increase engagement with interactive message formats

Build trust with verified brand messaging

Learn more

K:Analytics

AI-powered product recs now on mobile channels

Next best product (NBP) recommendations now also work in SMS, RCS, and WhatsApp. Dynamically show unique products based on each customer’s recent purchase history, for personalization that drives more revenue across every channel.
Advanced customer data platform (CDP)

AI-powered product recs now on mobile channels

Deliver dynamic, personalized recommendations in text and WhatsApp campaigns and flows with next best product (NBP).

Opportunity

Transform your text messages with product blocks, personalized for every recipient.

Example

A brand sends text campaign where each subscriber receives a personalized product recommendation based on their purchase behavior, with a direct link to purchase.

Value

Deliver engaging content on preferred channels

Increase engagement and conversion from texts

Learn more

Deliver every message at a personalized send time

Stop scheduling campaigns around your calendar, and start sending around your customers'. With personalized send time, AI delivers each message when that individual is most likely to open, click, and buy. Set your window. Klaviyo handles the rest.
Marketing analytics platform

Deliver every message at a personalized send time

Automatically send each campaign at the exact moment every individual subscriber is most likely to open, click, and convert—based on their real behavioral patterns across every channel.

Opportunity

Marketers need a simple, automated way to reach every subscriber at their highest-intent moment instead of blasting messages at a single blanket send time.

Example

When a marketer schedules a campaign, Klaviyo calculates the optimal send time for each subscriber and delivers the message when they’re most likely to engage.

Value

Sends every message at peak predicted engagement

Optimizes timing uniquely per channel

Improves conversions with effortless AI-powered automation

Learn moreGet started

Optimize your audience with a single click

Automatically remove profiles likely to unsubscribe. Let AI drive relevance by refining your campaign audiences.
AI consumer trends report AI marketing personalization Customer profile marketing with AI
The Klaviyo audience panel showing two selected segments — VIPs (119,385) and RFM recent to at risk (64,517) — with an estimated recipient count of 166,558. An "Audience optimization" toggle is enabled to automatically remove 344 profiles likely to unsubscribe.

Optimize your audience with a single click

Automatically optimize campaign audiences at send time by removing recipients most likely to unsubscribe—driving relevance and reach by targeting engaged subscribers.

Opportunity

Marketers lack a proactive, automated way to manage send volume and prioritization, putting long-term list health, engagement and conversion at risk.

Example

When preparing an email campaign, a marketer selects their audience and clicks Audience optimization. Klaviyo automatically identifies profiles with a high likelihood of unsubscribing and removes them from the send, ensuring the campaign reaches subscribers most likely to engage.

Value

Protect long-term list health with the help of AI

Reduce unsubscribe risk

Drive relevance by prioritizing engaged subscribers

Measure the impact with clear post-send reporting

Learn more

K:Data Platform

1 customer, 2+ inboxes, 0 duplicate profiles

Many customers use more than one email address. Now Klaviyo handles up to five per profile, preserving consent, engagement history, and targeting accuracy across inboxes.
The Klaviyo "Merge profile" interface combining two Jane Foster profiles into one, with jane.foster@abc.com set as the primary email and jane.promos@abc.com as a secondary, both subscribed.

1 customer, 2+ inboxes, 0 duplicate profiles (coming soon)

Store up to five email addresses on a single Klaviyo profile while preserving consent, suppression, properties, and activity history for each one.

Opportunity

Consumers often use multiple email addresses with the same brand, creating duplicate profiles that inflate costs and fragment customer data.

Example

A shopper browses with a personal email, purchases with a work email, and later updates their address—Klaviyo keeps all activity on one profile and selects the best primary email for future sends.

Value

Unify fragmented customer identities safely

Reduce duplicate profiles and costs

Preserve consent and engagement history

Customer Hub

Personalized on-site banners, powered by your customer data

Most on-site banners say the same thing to everyone. Klaviyo’s personalized banners use your segment data and customer profiles to show the right message to the right visitor (whether they’re logged in or not): VIP recognition, targeted offers, launch announcements, and more. Built into Customer Hub, so no need for code or third-party apps.
Website signup forms

Personalized on-site banners, powered by your customer data (coming soon)

Show dynamic, segment-targeted banners at the top of your site to deliver personalized offers, announcements, and VIP messaging to more visitors—without code or third-party tools.

Opportunity

Most onsite banners are still static and generic, leaving brands without an easy way to personalize one of the highest-visibility placements on their site.

Example

A returning VIP shopper lands on the homepage and sees a banner with exclusive early access messaging, while new visitors see a first-purchase offer instead.

Value

Personalize high-visibility onsite messaging

Target banners by segment instantly

Increase engagement without extra tools

Learn more

Customer Hub for WooCommerce

Customer Hub is coming to WooCommerce. Give every shopper a personalized on-site experience with self-service for orders, returns, subscriptions, loyalty, and more.
Customer experience hub

Customer Hub for WooCommerce (coming soon)

Bring Klaviyo Customer Hub to WooCommerce storefronts, extending onsite service experiences beyond Shopify to a major new ecommerce ecosystem.

Opportunity

Without WooCommerce support, Customer Hub was limited to Shopify, restricting adoption and leaving a large ecommerce audience untapped.

Example

A WooCommerce merchant adds Customer Hub to their storefront and gives shoppers access to onsite support and engagement experiences connected to their existing Klaviyo data.

Value

Expand Customer Hub beyond Shopify

Unlock growth in new ecosystems

Extend Klaviyo across more storefronts

Learn more