How to Migrate From ActiveCampaign to Klaviyo the Right Way

Direct answer: Migrating from ActiveCampaign to Klaviyo makes sense once a brand's automations depend more on purchase behavior, product catalog data, and real-time browsing signals than on manually applied tags. Sticky Digital recommends auditing every existing automation for which tags are actually still active before migration, rebuilding those automations in Klaviyo as event-based flows rather than tag-triggered copies, and mapping any CRM or deals data separately since Klaviyo has no direct equivalent for pipeline stages. Brands that skip that audit and import tags wholesale end up running Klaviyo flows off stale ActiveCampaign logic that was already half-broken before the migration started.

Sticky Digital's Perspective

Most ActiveCampaign to Klaviyo migrations we get pulled into aren't really about email at all. They're about a brand that grew out of a tool built for lead nurturing and sales automation, still running their ecommerce program on it years later, patched together with tags that made sense in 2022 and stopped meaning anything specific by 2024. Nobody deleted the old tags. They just kept stacking new automation logic on top.

Email and SMS drive 30 to 50% of total store revenue for the DTC brands we manage, and that number gets fragile fast when the underlying targeting logic hasn't been audited in years. ActiveCampaign brands tend to have more tag sprawl than any other migration we handle, simply because tags are how the platform is built to work. Every automation applies a few, every campaign filters by a few more, and within a year or two there are 300 tags and nobody remembers which ones still drive real segmentation.

What Actually Changes When You Move From ActiveCampaign to Klaviyo

ActiveCampaign is a CRM-adjacent automation platform first, email tool second. Klaviyo is an ecommerce data platform first, email and SMS tool second. That distinction matters more than most migration guides admit.

Tags vs. Events

ActiveCampaign automations mostly trigger off tags a contact accumulates over time. Klaviyo automations trigger off events happening in real time, tied directly to Shopify data: placed order, viewed product, started checkout, back in stock. A tag says "this person did something at some point." An event says "this person did this thing, right now, on this product." Klaviyo flows built around events react to what's actually happening in a customer's shopping behavior. Flows built by importing static tags react to whatever was true when someone last applied that tag, which might be a year stale.

Deals and Pipeline Data Has No Home in Klaviyo

If a brand has been using ActiveCampaign's CRM features, deal stages, sales pipeline tracking, contact ownership, none of that has a direct equivalent in Klaviyo. Klaviyo isn't built to be a sales CRM. Brands relying on pipeline data for anything beyond email targeting need a separate plan for where that data lives post-migration, because it doesn't come along for the ride.

List Hygiene Looks Different

ActiveCampaign contacts can sit inactive indefinitely without much consequence to sending reputation, since ActiveCampaign's volume and audience skew lower and less ecommerce-specific. Klaviyo's ecommerce-focused sending patterns and higher typical volume mean inactive contacts carried over without a suppression strategy start dragging on deliverability faster than brands expect.

The Migration Checklist Nobody Actually Follows

Most migration guides jump straight to exporting contacts. That's step four, not step one.

• Pull a tag usage report first — which tags are actually being applied by live automations right now, versus legacy tags nobody's touched in over a year
• Audit every active automation and document what triggers it, what it's supposed to accomplish, and whether that goal still matches the business today
• Decide separately what happens to CRM and deals data, since it has no Klaviyo destination
• Export contacts with full tag history, but treat the tags as reference material, not as a segmentation plan
• Rebuild each automation in Klaviyo as an event-triggered flow, using the tag audit only to confirm the automation's original intent
• Set a gradual send volume ramp for the first two to three weeks, since Klaviyo sending patterns typically run heavier than ActiveCampaign's

The tag usage report is the step almost nobody runs, and it's the one that saves the most rework. Sticky Digital builds it before touching a single flow, because rebuilding automation logic without knowing which tags are dead weight means dragging years of accumulated clutter straight into a platform that will happily keep sending against it.

Why Tag-Based Automation Logic Doesn't Translate

Here's the specific failure we see most often. A brand exports their ActiveCampaign tags, imports them into Klaviyo as custom properties, and rebuilds their welcome series or abandoned cart flow using those tags as the segment condition. It looks like a faithful recreation. It isn't, because the tag reflects a moment in the past, not current behavior.

Take an abandoned cart flow tagged "cart_abandoner" in ActiveCampaign, applied once when someone left items in a cart eighteen months ago. That tag never gets removed automatically. Import it into Klaviyo, build a flow around it, and that flow is now targeting people based on something that happened a year and a half ago, while ignoring the actual real-time cart abandonment event Klaviyo tracks natively. The brand thinks they've rebuilt their abandoned cart flow. They've actually built a flow that fires off ancient, stale behavior instead of what Klaviyo was designed to catch instantly.

We've seen this compound across accounts running heavy automation stacks for years: dozens of flows quietly triggering off tag logic that stopped reflecting reality long before the migration even started, and the brand has no way of knowing until open rates or conversion on those flows start sliding for reasons that don't show up in any obvious report.

What Happens to Send Volume and Sender Reputation During the Move

ActiveCampaign and Klaviyo don't share sending infrastructure, so a fresh sending reputation still has to build on the new platform regardless of domain history. The difference with this particular migration is less about reputation transfer and more about volume shock.

Brands moving off ActiveCampaign are often sending less frequently and to smaller, more filtered lists, since the platform's typical use skews toward nurture sequences rather than high-cadence ecommerce campaigns. Klaviyo's ecommerce playbook usually calls for more frequent campaign sends and a heavier flow cadence. A brand that migrates and immediately adopts a Klaviyo-standard send frequency on a list that's never seen that volume risks a sharper engagement drop than the platform switch alone would cause. Ramping volume gradually over the first two to three weeks, watching open rates and spam complaints daily, gives the list time to adjust to both the new platform and the new cadence at once.

How Sticky Digital Handles an ActiveCampaign to Klaviyo Migration

Across accounts like Rudis, Cardiff, and Pashion, apparel brands that had outgrown a CRM-style automation tool, we've found the tag audit is what separates a clean migration from a slow-motion mess that surfaces three months later as unexplained flow underperformance.

Our process breaks into five parts:

• Tag usage audit. We pull every tag currently in use, cross-reference against live automations, and flag which ones are stale before migration day.
• CRM data triage. Any deals, pipeline, or contact ownership data gets a documented plan for where it lives post-migration, since Klaviyo won't hold it.
• Event-based flow rebuild. Every automation gets rebuilt natively in Klaviyo using real-time Shopify events, not imported tag conditions.
• Gradual volume ramp. Send frequency increases over two to three weeks rather than jumping straight to a Klaviyo-standard cadence.
• 30-day performance check. Flow and campaign metrics get compared against the ActiveCampaign baseline at day 30 to confirm the rebuild actually improved targeting rather than just changing platforms.

The retention work we run for brands migrating off a CRM-adjacent tool always starts with that tag audit, because it's the fastest way to find out how much of the old automation logic was actually still doing its job.

FAQ

Is it worth switching from ActiveCampaign to Klaviyo for a Shopify store?

Usually yes, if the brand's automations would benefit from real-time purchase and browsing data rather than manually applied tags. Klaviyo's native Shopify integration and event-based segmentation are built specifically for ecommerce in a way ActiveCampaign's CRM-first architecture isn't, but the switch only pays off if the automation logic gets rebuilt around that data rather than ported over as-is.

What happens to my ActiveCampaign tags when I migrate?

They import as custom properties, but they don't function as live segmentation on their own. Tags reflect whatever was true when they were applied, sometimes years earlier, so they should be used as reference material for rebuilding automations, not as the segmentation logic itself.

Will my automations work the same way in Klaviyo?

Not without rebuilding them. ActiveCampaign automations trigger off tags a contact accumulates over time. Klaviyo flows trigger off real-time events tied to Shopify data. A literal recreation using imported tags will technically fire, but it won't reflect current customer behavior the way a properly rebuilt Klaviyo flow does.

What happens to my CRM or deals data from ActiveCampaign?

It doesn't have a home in Klaviyo. Klaviyo is built for ecommerce email, SMS, and customer data, not sales pipeline management. Brands using ActiveCampaign's CRM features need a separate destination for that data before migrating, whether that's a dedicated CRM or another system entirely.

How long should the sending ramp take after migrating?

Two to three weeks is typical, especially for brands moving from ActiveCampaign's lower-volume nurture cadence to Klaviyo's heavier ecommerce sending patterns. Increasing frequency gradually while watching open rates and complaint rates daily protects deliverability better than adopting a full Klaviyo-standard cadence on day one.

Brands that want the tag audit and flow rebuild handled end-to-end can start at stickydigital.io/pages/contact-us. For more on what we watch across Klaviyo migrations and builds, the Sticky Digital blog covers the rest.

Article By: Mariel Kilroy, Co-Founder, Sticky Digital

Mariel Kilroy is the Co-Founder of Sticky Digital, a retention marketing agency specializing in email, SMS, loyalty, and subscription growth for DTC brands.