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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 196,000 Klaviyo brands. Review it, approve it, launch it, done.

Customer Agent

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.

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

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.

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

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.

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

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.

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

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

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

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 personalisation that drives more revenue across every channel.

AI-powered product recs now on mobile channels

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

Opportunity

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

Example

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

Value

Deliver engaging content on preferred channels

Increase engagement and conversion from texts

Deliver every message at a personalised send time

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

Deliver every message at a personalised 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 behavioural 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

Optimises timing uniquely per channel

Improves conversions with effortless AI-powered automation

Optimise your audience with a single click

Automatically remove profiles likely to unsubscribe. Let AI drive relevance by refining your campaign audiences.

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.

Optimise your audience with a single click

Automatically optimise 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 prioritisation, putting long-term list health, engagement and conversion at risk.

Example

When preparing an email campaign, a marketer selects their audience and clicks Audience optimisation. 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 prioritising engaged subscribers

Measure the impact with clear post-send reporting

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

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

Personalised on-site banners, powered by your customer data

Most on-site banners say the same thing to everyone. Klaviyo’s personalised 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.

Personalised on-site banners, powered by your customer data

Show dynamic, segment-targeted banners at the top of your site to deliver personalised 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 personalise 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

Personalise high-visibility onsite messaging

Target banners by segment instantly

Increase engagement without extra tools

Customer Hub for WooCommerce

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

Customer Hub for WooCommerce

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

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All updates

Favorites Import

Preserve high-intent shopper data during migration — Import favorites from Swym, Wishlist King, or CSV files so brands can switch to Customer Hub without losing valuable wishlist activity.

Loyalty Skill

Deflect repetitive loyalty tickets automatically — Answer points and rewards questions across webchat, text, email, and WhatsApp while linking customers to their loyalty portal.

Localised Static Product Blocks (Shopify Markets)

Deliver better localised product experiences — Render static product blocks with the right language, currency, URL, and market data for each recipient automatically.

Automated Conversations Branching

Collect richer zero-party data through guided conversations — Route customers down different paths based on their keyword or question responses to personalise messaging and improve engagement.

Drop Shadow Buttons

Make form buttons stand out more clearly — Add customisable drop shadows to buttons in Forms and Back in Stock triggers to improve visibility and polish with less design effort.

Subscription Skill

Reduce subscription support volume automatically — Guide customers to self-service subscription actions and answer policy questions across webchat, text, email, and WhatsApp.

Toll Free Registration Improvements

Resolve Toll-Free registration issues faster — Show rejection reasons in-app and require EIN for new submissions to improve transparency, speed up fixes, and stay compliant.

Suggested Responses

Resolve customer issues faster with AI-powered replies — Surface suggested responses based on past tickets so agents can review, edit, and send answers in seconds.

Multi-Object Sync & New Object Support for Salesforce

Unlock richer CRM-powered personalization — Sync up to three Salesforce objects and consolidate Leads, Contacts, Accounts, and Opportunities into unified Klaviyo profiles.

WhatsApp UTM Parameters

Track WhatsApp performance — Apply UTM tags at the account or message level to see how WhatsApp drives traffic and conversions alongside your other channels.

WhatsApp Smart Translations

Reach global audiences — Send multilingual campaigns and flows from a single setup to engage customers in their preferred language.

WhatsApp Double Multi-Language Opt In

Deliver localised WhatsApp opt-ins — Create language-specific Double Opt-In templates to ensure subscribers receive confirmation messages in their preferred language.

Loop Returns Helpdesk Integration

Handle returns without leaving Helpdesk — Initiate and track returns directly in the ticket view to resolve issues faster and reduce tab-switching for agents.

Outbound Media

Support customers better with media sharing — Send images and files across email, webchat, Instagram, text, and WhatsApp to resolve issues faster and more clearly.

Outbound & Manual Ticket Creation

Capture every support interaction in Helpdesk — Log phone calls and send outbound emails to create tickets, giving merchants a fuller view of the customer journey.

Outbound Media

Support customers better with media sharing — Send images and files across email, webchat, Instagram, text, and WhatsApp to resolve issues faster and more clearly.

App Performance Monitoring

Track app performance — View listing traffic, installs, API health, and active accounts to optimise engagement and troubleshoot faster.

Advanced Helpdesk Routing

Route tickets with precision using customer data — Create custom routing rules based on any profile or issue detail to streamline workflows and support team efficiency.

Content & Favourite Analytics

Optimise Customer Hub performance with new insights — Track content block clicks, CTR, and top favourited products to fine-tune engagement and boost revenue.

Pinned Properties

Give support reps the context they need — Display up to 5 key profile properties on each ticket to personalise responses and resolve issues faster.

Customer Agent Handoff Summaries

Resolve tickets faster — See the customer’s issue, what Customer Agent tried, and next steps—all in one view to save time and avoid duplicate work.

BFCM Unsuppression

Re-engage high-intent buyers for BFCM — Use the new Unsuppression feature to restore consented, active profiles and boost send volume ahead of BFCM 2025.

Segment Library

Build smarter segments faster — Use the new in-app Segment Library to instantly create proven, high-impact segments in just two clicks.

Attach Products to Mobile Messages

Add product links and images with one click — Easily attach products to SMS, RCS, or WhatsApp messages right from the editor—no copy-pasting needed.

Attach Products to Mobile Messages

Add product links and images with one click — Easily attach products to SMS, RCS, or WhatsApp messages right from the editor—no copy-pasting needed.

WhatsApp Double Opt-In

Boost subscriber quality on WhatsApp — Send a confirmation message first, then a final opt-in, aligning with GDPR best practices and reducing list churn.

ChatGPT MCP Server Connector

Connect Klaviyo to ChatGPT — New Developer Mode connector lets Pro users access Klaviyo data and actions directly in ChatGPT.

WhatsApp Button Click Events

Track WhatsApp button clicks — Click events now fire when subscribers tap URL buttons in WhatsApp templates.

Omnichannel Campaigns Performance Page

View all channel results in one place — The new Omnichannel Campaigns Performance Page shows total and message-level metrics across email, SMS, WhatsApp, and more.

AI Image Remix (Forms & WhatsApp)

Edit images with AI in seconds — Use the new Remix button in the email editor to transform any image with Gemini 2.5 Flash, now available in in-app forms and WhatsApp editors.

WhatsApp Cards & Carousels

Showcase more in one send — WhatsApp carousels let you include multiple images, CTAs, and quick replies.

Data Warehouse Import (Profiles)

Sync profiles from your data warehouse — Natively import customer data from Snowflake and BigQuery for bi-directional syncing without custom pipelines.

WhatsApp

Reach customers where they chat — Tap into WhatsApp’s 3B+ users with full support for messaging, forms, and replies.

WhatsApp

Reach customers where they chat — Tap into WhatsApp’s 3B+ users with full support for messaging, forms, and replies.

Forms Dual Preview

Optimise forms across devices — No more toggling—preview both views simultaneously in the editor.

Improved API Validation for Phone Numbers

Grow profiles without interruption — Relaxed API validation ensures more emailable profiles are successfully created.

New Klaviyo Navigation

Navigate faster — New layout is now available in every Klaviyo account—check it out today!

Image Remix

Edit images with AI in seconds — Use the new Remix button in the email editor to transform any image with Gemini 2.5 Flash.

MCP Server

Connect AI tools to Klaviyo — Use the new MCP Server to pull metrics, create content, and automate workflows from tools like Cursor and Claude.

Channel Affinity API Access

Optimise multichannel targeting via APIs— Predict each profile’s likelihood to engage via Email, SMS, or Push, and tailor sends accordingly in segments and flows.

Klaviyo App Marketplace

Formerly the integration directory, our brand new experience empowers you to seamlessly discover and connect powerful apps, unifying your data and unlocking new growth opportunities.

New Event Pipeline

Increase reliability and scale — The new Event Pipeline, built on Apache Kafka, boosts platform speed and data resilience for peak moments.

Enhanced Password Security

Create stronger passwords with ease — New visual strength indicators and a 12-character minimum help users build secure passwords that meet industry standards.

Flow Custom Action Outputs

Power smarter flows with dynamic data — Return outputs from sources outside Klaviyo within a flow, enabling weather-based content, AI-generated copy, and more.

Security Action Centre

Boost account security — Get personalised, actionable recommendations like enforcing MFA and removing inactive users to reduce risk without extra hassle.

Location Security Emails

Secure your account — Users now see alerts for unfamiliar login locations, helping them spot and act on potential account breaches fast.

Expo Plugin for React Native SDK

Install Klaviyo in Expo apps — Add our React Native SDK without writing any native code.

Model Context Protocol (MCP) Server

Enable AI clients to interact with your Klaviyo data through a seamless integration with Klaviyo’s APIs.

Catalogue Insights OAuth

Unlock product insights via OAuth — Access Product Analysis in Catalogue Insights with OAuth-branded integrations to expand visibility and overcome past data limitations.

View historical attribution changes

See a timeline of changes to your account’s attribution settings.

Run code in flows with custom actions

Build personalized experiences in flows with custom code and pre-built actions that support Python and Node.js, now available in the flows editor.