Klaviyo is the autonomous B2C CRM that turns real-time customer data into personalized email, SMS, and automated flows. By connecting directly to BigCommerce, Klaviyo unifies your customer signals—orders, catalog updates, cart activity, and coupon usage—into a single real-time profile.
Join over 205,000 growing brands using Klaviyo to power 1:1 personalization at scale. Build high-converting email, SMS, RCS, WhatsApp, and mobile push campaigns, trigger behavioral flows, and convert onsite traffic from one unified platform.
Free Up to 250 Contacts
August 31, 2026
Listen to and understand your customers
Powerful integrations
Integrate with your entire tech stack with over 300+ pre-built integrations ranging from shipping solutions to rewards programs. Top integrations include Facebook Advertising, Shogun, JustUno, ShipStation, Zendesk, Stamped, Searchspring, and more.
Web & mobile forms
Start growing your email and SMS subscriber lists from day one with simple, pre-built signup forms.
Real-time data sync with your BigCommerce store
Get a unified view of your customer's actions in your BigCommerce store, including placed, refunded, canceled, and fulfilled orders with catalog and coupon data––for every customer.
Analyze their behaviors and preferences
Multi-dimensional, real-time segmentation:
Create segments as granular as you need at remarkably fast speeds, automatically updating in real time. Go beyond basic targeting to segment products purchased in specific time frames using historical data, website browsing behavior, order value, and on an unlimited number of custom attributes.
Machine learning and AI:
Benchmark your performance across other similarly-sized brands in the same industry.
Use our AI content generators for effective subject lines and texts.
Use predictive analytics like historic/predicted LTV, churn rate, time between orders, and predicted next order date for personalization.
Use smart A/B testing to have Klaviyo automatically select the best-performing variant when it's statistically significant.
RFM analysis and customizable customer lifetime value to up-level your predictive modeling and lead scoring. [CDP exclusive]
Growth-centric reporting
Analyze your data using custom and predefined reports to determine the impact of marketing efforts one-off and over time.
Audience-level analysis to compare segments at scale and visualize customer journey funnels to identify areas of optimization with ease. [CDP exclusive]
Deliver truly personalized omnichannel marketing
Send hyper-personalized campaigns and automated flows that drive more conversions, sales, and lifetime value.
Use built-in flows for ecommerce use cases across the lifecycle that can be triggered by event-level data.
SMS
Easily send coordinated multi-channel messages while harnessing more accurate attribution and reporting.
Mobile push notifications
Engage, grow, and retain your mobile app users on iOS and Android devices by sending relevant, personalized push notifications that are coordinated with email and SMS messages.
Social Advertising
Seamlessly sync customer lists and segments to Facebook and Google advertising in order to target the right audience on social media to help grow your business.
Power onsite personalization
Leverage your data in Klaviyo to create dynamic personalized web experiences for each visitor to enhance your customer experience and maximize conversions. [CDP exclusive]
Composer
Assists in planning and building campaigns with specific brand context and performance history.
Customer Agent
Autonomously handles service interactions to resolve inquiries. Predictive analytics identify revenue opportunities like churn prevention and the next best product.
Manage, transform, and keep data in sync at scale [CDP exclusive]
Data transformation
Standardize and re-format profile data, without writing code or needing IT involvement, allowing you to improve data accuracy and segment & report more effectively.
Data syncing and webhooks
Send data outbound at scale and in real-time through webhooks and pre-built connectors to your data warehouse.
Garrett Popcorn drives 113x ROI with Klaviyo email, SMS, + BigCommerce integration
"I recommend Klaviyo to anyone serious about first-party data, who wants to get into the insights and testing available in this platform. Klaviyo’s integrations let us pull data from BigCommerce into Klaviyo, and then into digital advertising channels—and that’s allowed Garrett to be more effective in its growth strategy."
Start your trial today