Free
$0
month
Up to 250 active profiles, 500 email sends per month, $5 of mobile messaging usage per month, $5 of Composer usage per month, built-in reporting and limited email support.
Check current pricing →K
Klaviyo
Klaviyo is a B2C CRM platform for customer data, email, SMS, mobile push, WhatsApp, analytics, service and AI-assisted marketing automation.
Editorial overview
Aggregated Overview
Klaviyo provides broad B2C marketing, data, analytics and service capabilities, plus APIs and more than 350 integrations. G2 reviews show strong sentiment around segmentation, automation and ecommerce integrations, while pricing increases with contact volume and channel usage.
This profile combines documented product information and independent evidence where available. It is not a hands-on test unless TechZella explicitly identifies one.
Overview
Klaviyo is a cloud-based B2C CRM and marketing automation platform. It combines customer profiles, behavioral data, campaign execution, analytics and service tools in one system.
The platform supports email, SMS, RCS, WhatsApp, mobile push, web forms and reviews. Its primary users include ecommerce and other consumer-facing businesses that need behavior-based communications.
Klaviyo was founded in 2012 by Andrew Bialecki and Ed Hallen. The company lists Boston, Massachusetts, as its global headquarters.
Klaviyo Decision Snapshot
A quick way to understand who this product may suit, where its limits matter, and which facts are most relevant before you compare alternatives.
Platforms
API, Web
TechZella assessment
8.4/10
Klaviyo Pros & Cons
Pros
- Combines customer data, marketing automation, analytics and service tools.
- Supports email, SMS, push, WhatsApp and other messaging channels.
- Offers extensive ecommerce and business application integrations.
- Provides public APIs, SDKs, webhooks and developer test accounts.
- Includes a free plan for small contact lists.
Cons
- Pricing increases with active profiles and message volume.
- Advanced functionality can require additional products or plans.
- The large feature set may require onboarding and training.
- Messaging availability and costs vary by region and carrier.
- Some enterprise capabilities require a sales-led agreement.
Klaviyo Pricing & Plans
Paid Marketing
Variable
month
Pricing scales by active profiles, email volume and selected messaging channels. Klaviyo provides a calculator rather than one universal flat rate.
Check current pricing →Marketing Analytics
Variable
month
Separate pricing based on active profile count for advanced reporting, customer behavior analysis and marketing insights.
Check current pricing →Enterprise
Contact sales
Contract-based plans are available for organizations requiring expanded products, support or usage arrangements.
Check current pricing →Pricing may change. Verify current plans on the vendor's website.
Klaviyo Competitors & Alternatives
Compare similar products directly, then see which alternatives may make more sense when your requirements differ.
Direct competitors
These products address broadly similar requirements. The descriptions focus on documented reasons a buyer might compare them with Klaviyo.
Klaviyo Features
Marketing Channels
- Email campaigns
- SMS and MMS marketing
- RCS messaging
- WhatsApp messaging
- Mobile push notifications
- Web forms
- Product reviews
Automation
- Behavior-triggered flows
- Visual flow builder
- Drag-and-drop campaign creation
- Multi-channel journeys
- Abandoned-cart automation
- Automated SMS conversations
Customer Data
- Unified customer profiles
- Behavioral and transactional data
- Audience segmentation
- Predictive analytics
- Product recommendations
- Customer lifecycle data
AI Features
- AI-assisted campaign creation
- AI-generated content
- Send-time optimization
- Automated campaign variant testing
- AI-powered customer conversations
- Composer marketing agent
Analytics
- Campaign performance reporting
- Revenue attribution
- Custom dashboards
- Industry benchmarks
- Funnel and customer analytics
- Engagement and deliverability reporting
Integrations and Developer Tools
- 350+ pre-built integrations
- REST and JSON:API-based APIs
- OAuth authentication
- Private and public API keys
- Python, PHP, Ruby and Node SDKs
- Webhooks
- Test accounts
- Postman collection
Klaviyo Specifications
| Deployment | Cloud-based SaaS |
|---|---|
| Platform | Web |
| API | Yes, with REST and JSON:API capabilities |
| Integrations | 350+ pre-built integrations |
| Free plan | Yes |
| Free trial | Free plan available instead of a limited trial |
| Customer focus | B2C brands and consumer businesses |
| Headquarters | Boston, Massachusetts, United States |
| Founded | 2012 |
| Primary channels | Email, SMS, RCS, WhatsApp, mobile push and web |
| Developer authentication | OAuth, private keys and public keys |
Our evidence-based assessment
TechZella Score
A proprietary editorial score based on product capabilities, usability, value, performance, support and user sentiment evidence.
8.4/10Moderate confidence
Klaviyo provides broad B2C marketing, data, analytics and service capabilities, plus APIs and more than 350 integrations. G2 reviews show strong sentiment around segmentation, automation and ecommerce integrations, while pricing increases with contact volume and channel usage.
Methodology v1.0. The assessment weighs feature coverage (25%), ease of use (15%), value for money (20%), performance (15%), support (10%) and user sentiment (15%), using researched product evidence and verified review evidence where available. It is a TechZella editorial assessment, not a direct user-review average.
Klaviyo FAQs
Answers begin with the clearest available response, followed by the context that helps you act on it.
Does Klaviyo have a free plan?
Yes. The free plan supports up to 250 active profiles and 500 email sends per month, subject to the limits listed on Klaviyo's pricing page.
Is Klaviyo an email marketing platform?
Yes, but it also provides SMS, push, WhatsApp, reviews, customer data, analytics and service capabilities.
Does Klaviyo offer an API?
Yes. Klaviyo provides developer APIs, OAuth, private and public key authentication, SDKs, webhooks and test accounts.
What does Klaviyo integrate with?
Supported integrations include Shopify, WooCommerce, BigCommerce, Adobe Commerce, Wix, PrestaShop, Salesforce Commerce Cloud, advertising tools, payment services, help desks and analytics platforms.
Does Klaviyo offer a free trial?
Yes.
Klaviyo offers a free plan rather than only a time-limited trial. Accounts can remain on the free plan while they stay within the published usage limits.
Klaviyo offers a free plan rather than only a time-limited trial. Accounts can remain on the free plan while they stay within the published usage limits.
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