klaviyo

Supercharge Ecommerce Growth with Klaviyo API Integrations

Klaviyo unifies marketing, service, analytics, and customer data—empowering ecommerce businesses to personalize every interaction.

4.5(1,000+ reviews)
10,000+ users
Retail, Ecommerce, Restaurants

TL;DR

Quick Summary

Klaviyo offers B2C ecommerce brands powerful API integrations, robust marketing automation, and unified customer data. Retailers and ecommerce businesses benefit from easy omnichannel messaging and AI-driven insights—all in a single platform.

What is klaviyo?

What It Does

Klaviyo is an AI-first B2C CRM platform delivering email, SMS, WhatsApp, and app marketing automation, analytics, customer segmentation, and data integration—built to help brands unify and activate their data across marketing and support channels.

Who It's For

B2C brands such as retail, ecommerce, restaurant, and wellness businesses seeking personalized, automated, omnichannel marketing powered by unified customer data.

Problem It Solves

Lack of unified customer profiles and fragmented messaging prevent ecommerce businesses from delivering personalized experiences at scale.

Value Proposition

Klaviyo streamlines customer data, integrates seamlessly with leading ecommerce tools, and powers AI-driven marketing so brands can increase engagement, sales, and customer value.

Reviews & Ratings

See what users are saying about klaviyo across major review platforms.

G2

4.5

1,000 reviews

Capterra

4.4

800 reviews

GetApp

4.3

600 reviews

Trustpilot

4

500 reviews

What Users Love

    Areas for Improvement

      "Setting up automations and segmenting customers is straightforward with Klaviyo's integrations."

      V

      Verified User

      Marketing Agency

      "Having unified data from API-connected apps makes launching personalized campaigns much faster."

      V

      Verified User

      Tech Company

      Review summaries are based on publicly available feedback from major review platforms. Ratings and reviews may have changed since compilation. Always check the latest reviews before making a decision.

      Who Uses klaviyo?

      Discover if klaviyo is the right fit for your team, company, and industry.

      Customer Profiles

      • Ecommerce marketers
      • DTC (Direct-to-Consumer) brands
      • Retailers
      • Restaurant marketers
      • Wellness business owners

      Company Sizes

      • Small businesses
      • Medium-sized companies
      • Scaling enterprise B2C brands

      Industries

      • Retail
      • Ecommerce
      • Restaurants
      • Wellness

      Common Use Cases

      Personalized Email Marketing

      Send targeted, data-driven campaigns and automations for different customer segments.

      SMS & WhatsApp Marketing

      Engage shoppers across mobile channels with tailored messaging driven by customer behavior.

      Omnichannel Campaign Orchestration

      Coordinate outreach across email, SMS, WhatsApp, RCS, and push with unified data and triggers.

      Customer Segmentation & Analytics

      Analyze data from 350+ integrations to build actionable customer segments and optimize performance.

      Marketing Automation

      Automate follow-ups, abandoned cart flows, and personalized journeys using real-time data integrations.

      Customer Service & Support

      Support teams leverage unified profiles and centralized helpdesk for faster resolutions.

      Key Features

      What You Get with klaviyo

      A comprehensive look at the features that make klaviyo stand out.

      Email Marketing

      Create and automate targeted, personalized email campaigns.

      Drive engagement and revenue through relevant messaging.

      SMS Marketing

      Send and automate SMS/MMS campaigns.

      Reach customers instantly on their preferred mobile devices.

      WhatsApp Marketing

      Send marketing messages via WhatsApp.

      Expand reach to customers on WhatsApp with personalized offers.

      RCS for Business

      RCS messaging channel for marketing.

      Enable rich-media marketing on supported carriers.

      Mobile App Marketing

      Engage customers through mobile push notifications.

      Prompt immediate actions and retention through app notifications.

      Segmentation

      Advanced customer segmentation at scale.

      Deliver targeted marketing to precise audience groups.

      AI Insights & Predictive Analytics

      Predict customer behavior and optimize campaigns using AI.

      Improve conversions with actionable, data-driven insights.

      Unified Customer Profiles

      Centralized, real-time customer profiles with cross-channel data.

      Get a 360° view of each shopper for cohesive marketing and support.

      Marketing Automation (Flows)

      Automate multi-channel marketing flows triggered by real-time events.

      Save time and boost efficiency with intelligent automations.

      Campaign Reporting & Benchmarks

      Custom dashboards, reporting, and performance benchmarks.

      Measure KPIs and compare campaign impact with industry standards.

      Composer (Beta)

      Advanced email/SMS template builder.

      Quickly create branded messages without coding.

      Apps & Integrations

      350+ native integrations plus robust APIs for tech stack connectivity.

      Connect all your ecommerce tools for seamless data flow.

      Customer Agent

      AI-powered support and sales agent for shoppers.

      Scale customer support and increase conversions autonomously.

      Marketing Agent

      AI agent assisting marketers with strategy and execution.

      Accelerate marketing operations with automated recommendations.

      Customer Hub/Helpdesk

      Centralized support hub for customer service teams.

      Streamline support workflows and resolution times.

      Ready to experience these features?

      Start Your Free Trial

      Integrations & Ecosystem

      Connect klaviyo with your favorite tools and workflows.

      Popular Integrations

      Shopify
      Payment providers
      CRMs
      Analytics tools
      Messaging platforms
      Klaviyo ChatGPT app
      Klaviyo Claude Connector
      Klaviyo MCP

      API Access

      Robust APIs for connecting custom storefronts, apps, and tech stack elements. 350+ apps in the Klaviyo App Marketplace.

      Ecosystem

      Klaviyo offers 350+ native integrations via its App Marketplace, connecting with ecommerce, analytics, CRM, payment, and messaging tools.

      Why It Matters

      API and native integrations ensure ecommerce businesses centralize customer data, automate workflows, and orchestrate omnichannel marketing.

      Customer Support

      Support is available via email, plus a comprehensive knowledge base and active community resources for troubleshooting and peer advice.

      Live Chat
      Email Support
      Phone Support
      Knowledge Base
      Community Forum
      Enterprise SLA

      klaviyo Alternatives

      Explore other options and see how klaviyo compares.

      Popular Comparisons

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      Related Categories

      FAQs

      Frequently Asked Questions

      Common questions about klaviyo answered.

      Yes, Klaviyo has a free plan with up to 250 active profiles, 500 email sends per month, and 150 SMS/MMS credits.

      Final Verdict

      Is klaviyo Right for You?

      Best For

      DTC brands, ecommerce operators, retailers, restaurants, and wellness businesses seeking scalable, data-driven marketing automation with unified customer profiles.

      Not Ideal For

      Businesses needing phone or live chat support, or exclusively B2B operations, may not find Klaviyo a perfect fit.

      Klaviyo is a leading option for B2C ecommerce businesses prioritizing cross-channel personalization, unified data, and robust API integrations. Brands benefit from powerful automation, built-in AI, and reliable connectivity to top ecommerce tools. For best results, explore Klaviyo's API and integration options to maximize your reach and efficiency.

      Start with Klaviyo's free plan today

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