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Does Klaviyo Have API Access?

By ToolVS Research Team ยท Last checked April 1, 2026

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YES

Yes, Klaviyo has a comprehensive REST API for managing profiles, campaigns, flows, segments, and events.

What We Found

We checked this in April 2026 and here's what we found โ€” Klaviyo's API v2 provides endpoints for profiles (contacts), lists, segments, campaigns, flows, metrics, events, and catalogs. It supports both server-side and client-side integration. The API enables deep e-commerce integration with custom event tracking.

Things to Know

Need API Access? These Tools Have It

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Try Klaviyo Yourself

See if api access meets your needs. Most tools offer a free trial or free plan to get started.

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More About Klaviyo

Does Klaviyo have free plan?โœ… YESDoes Klaviyo have mobile app?โœ… YESDoes Klaviyo have dark mode?โŒ NODoes Klaviyo have sso/saml?โœ… YESDoes Klaviyo have automation?โœ… YESDoes Klaviyo have ai features?โœ… YES

Frequently Asked Questions

Does Klaviyo have api access on mobile?
Klaviyo offers api access across platforms including mobile. However, the mobile experience may have some limitations compared to the desktop version. Check the mobile app for the latest capabilities.
Is api access available on Klaviyo's free plan?
API Access is available in Klaviyo, though specific plan requirements may apply. Some features are limited to paid tiers. Check Klaviyo's pricing page for the most current plan details.
What are the best alternatives to Klaviyo for api access?
For api access, consider Mailchimp. These tools offer this feature and may better suit your needs. Check our comparison pages for detailed side-by-side analysis.
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About this check: We verify feature availability by reviewing official documentation, testing the product directly, and monitoring changelog updates. Information was last verified on April 1, 2026. Features and pricing may have changed since our last check.Our methodology โ†’