Klaviyo

AI-first B2C CRM for personalized, omnichannel growth across marketing, service, and data.

Free

About

Klaviyo is the AI-first B2C CRM that unifies marketing automation, customer service, analytics, and a built-in data platform to power personalized, omnichannel experiences across email, SMS, WhatsApp, mobile push, reviews, and more. With K:AI agents, predictive analytics, and a marketer-friendly CDP, Klaviyo helps brands activate real-time insights, orchestrate flows and campaigns, and turn service into revenue—trusted by 183,000+ brands worldwide.

Details

Klaviyo is an intelligent marketing automation platform designed for faster, more efficient growth. It helps businesses turn all of their customer data into hyper-personalized messages that people want, delivered across channels like email, SMS, and mobile push. It includes a Customer Data Platform (CDP) to unify, transform, and activate data at scale, leveraging AI, predictive analytics, and benchmarks to guide marketing efforts, understand customers, track success, and recommend products.

How to Use

Users can sign up or request a demo to access the Klaviyo platform. Once onboarded, they can utilize its features such as segmentation, automated flows, and campaigns to send personalized messages via email, SMS, and mobile push. The platform allows users to manage customer data, collect product reviews, and leverage AI for content creation and performance analysis.

Key Features

  • Email Marketing
  • SMS Marketing
  • Mobile Push Notifications
  • Customer Data Platform (CDP)
  • Product Reviews Collection
  • Segmentation
  • Automated Flows
  • AI-powered content generation
  • Predictive Analytics and Benchmarks
  • Real-time data activation

Use Cases

  • Sending rich, engaging email campaigns with dynamic content and product recommendations.
  • Reaching VIP customers via SMS for two-way conversations.
  • Boosting engagement and retaining mobile app users with perfectly timed notifications.
  • Consolidating and activating customer data to create comprehensive customer profiles.
  • Collecting and showcasing customer-written reviews to build trust and increase sales.
  • Automating marketing workflows and campaigns for personalized customer journeys.
  • Analyzing campaign performance with accurate attribution and reporting.
  • Guiding marketing strategy with AI, predictive analytics, and peer benchmarks.

Pros & Cons

Pros

  • Unified platform combining marketing, service, analytics, and CDP in one B2C CRM
  • AI agents (Composer and Customer Agent) automate campaign creation and customer support
  • Free plan available with no time limit (up to 250 profiles and 500 emails/month)
  • Robust predictive analytics for customer lifetime value, churn risk, and next purchase
  • 350+ pre-built integrations with ecommerce platforms, CRMs, and data sources
  • Omnichannel support including email, SMS, WhatsApp, push, RCS, and reviews
  • Powerful segmentation and flows AI enable sophisticated audience targeting and automation
  • Real-time data activation and unified customer profiles across touchpoints

Cons

  • Free plan is limited to 250 active profiles and 500 email sends per month, restricting growth testing
  • Email support only included for first 60 days on free plan; after that limited to community and help center
  • Advanced features like Composer, Customer Agent, and KDP require paid subscription (30% off promotional pricing shown for some agents)
  • Pricing can become expensive as contact lists and sends grow, especially for full omnichannel usage
  • Learning curve for advanced features like predictive analytics, RFM analysis, and custom integrations
  • No native social media advertising or organic social management (focus is on owned channels)

Frequently Asked Questions

What is Klaviyo?

Klaviyo is an AI-first B2C CRM that combines marketing automation, analytics, customer service, and a built-in data platform to help brands create personalized, omnichannel customer experiences and grow faster.

When was Klaviyo founded and what is its history?

Klaviyo was founded in 2012 by Andrew Bialecki and Ed Hallen; milestones include launching email (2013), SMS (2021), Reviews and CDP (2023), and unveiling the AI-first B2C CRM in 2025.

Who is Klaviyo for?

Klaviyo is built for B2C brands across ecommerce and retail that want to unify customer data, automate marketing and service, and personalize engagement across channels.

What channels does Klaviyo Marketing support?

Klaviyo supports email, SMS, WhatsApp, mobile push, and reviews, with capabilities that extend to RCS and in-app messaging for truly omnichannel orchestration.

What is Klaviyo AI (K:AI)?

K:AI powers automation and personalization across the platform, including the K:AI Marketing Agent for campaign creation and optimization and the K:AI Customer Agent for 24/7 assistance via SMS, web chat, and email (beta), plus predictive analytics and product recommendations.

What is the Klaviyo Data Platform?

The built-in data platform unifies customer profiles by capturing interactions across marketing and service, enriches them with AI, and activates real-time insights without requiring technical expertise.

What service features does Klaviyo offer?

Klaviyo Service includes Customer Hub for order tracking, returns, and discovery; K:AI Customer Agent for automated, on-brand support; and Klaviyo Helpdesk to resolve issues faster and drive revenue.

How many brands use Klaviyo?

More than 183,000 brands worldwide use Klaviyo to build lifelong customer relationships and accelerate growth.

Can Klaviyo automate customer journeys?

Yes. With Flows AI, Segments AI, Smart Send Time, and Channel Affinity, Klaviyo automates journeys and optimizes message timing, channel selection, and targeting.

What integrations does Klaviyo support?

Klaviyo connects to 350+ integrations and offers flexible APIs to consolidate data, power personalized experiences, and measure results end-to-end.

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