Klaviyo integration

Sync subscriber profiles, campaign data, and list membership between Klaviyo and your other tools. Bidirectional: push data into Klaviyo or pull it out.

No credit card required

Free 100k syncs every month

No credit card required

Free 100k syncs every month

No credit card required

Free 100k syncs every month

Keep Klaviyo profiles rich and current

Feed real customer context into every email and SMS campaign.

Segment data, ready to activate

Push CRM segments, billing tiers, and product usage data into Klaviyo so every campaign starts from the right audience — not a bulk list.

Auto property creation

Syncing custom subscriber attributes? Oneprofile creates properties in Klaviyo automatically before writing. No manual list management.

Auto property creation

Syncing custom subscriber attributes? Oneprofile creates properties in Klaviyo automatically before writing. No manual list management.

Change detection

Change detection

Only changed contacts sync. Unsubscribes and plan changes propagate in seconds.

Only changed contacts sync. Unsubscribes and plan changes propagate in seconds.

Bidirectional sync

Bidirectional sync

Pull campaign engagement data back or push CRM data in. One connection, both directions.

Pull campaign engagement data back or push CRM data in. One connection, both directions.

Error recovery

Error recovery

Failed records land in a dead letter queue. No silent data loss.

Failed records land in a dead letter queue. No silent data loss.

Popular integrations with

Klaviyo

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Sync HubSpot lifecycle stage and deal data to Klaviyo so email flows match the sales pipeline.

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Send Intercom conversation tags to Klaviyo for support-aware messaging and retention flows.

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Analytics

Push PostHog feature usage data into Klaviyo profiles to trigger adoption-based campaigns.

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Database

Consolidate Stripe billing data into PostgreSQL for custom reporting and SQL-based dashboards.

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About

Klaviyo

Oneprofile is not just about sending data from one tool to another. It ensures customer profiles and events stay consistent across every system, even as data changes over time.

SUPPORTED RECORDS

Profiles

Lists

Segments

INTEGRATION TYPE

Source

Destination

CATEGORY

Email

FAQ

How long does it take to set up the Klaviyo integration?

Under 10 minutes. Generate a private API key in Klaviyo, paste it into Oneprofile, and the connection validates immediately. Map the fields you want to sync, set a schedule, and data flows.

Can I sync data both to and from Klaviyo?

Yes. Klaviyo works as both a source and a destination in Oneprofile. Pull engagement and profile data out of Klaviyo into your CRM or database, and push customer attributes into Klaviyo from any tool.

Do I need a data warehouse for Klaviyo data integration?

No. Oneprofile connects your tools directly. Push CRM or billing data into Klaviyo without routing through Snowflake or BigQuery. Add a warehouse later if you want one, but it is never required.

What Klaviyo record types can I sync?

Profiles, Lists, and Segments. Each record type has its own set of syncable fields. Oneprofile discovers available properties automatically when you connect your Klaviyo account.

Is the Klaviyo integration available on the free plan?

Yes. Klaviyo is available on all plans, including the free tier. The free plan limits total integrations and sync configs, but there is no per-connector fee.

What happens if a record fails to sync to Klaviyo?

Oneprofile retries automatically and backs off when Klaviyo rate-limits the request. Records that fail all retries are captured in a dead letter queue for investigation. No data is silently dropped.

Ready to get started?

No credit card required

Free 100k syncs every month

© 2026 Oneprofile Software

455 Market Street, San Francisco, CA 94105

© 2026 Oneprofile Software

455 Market Street, San Francisco, CA 94105

© 2026 Oneprofile Software

455 Market Street, San Francisco, CA 94105