Adobe Commerce Klaviyo Integration
Turn Adobe Commerce orders into a reliable Klaviyo revenue channel without a single browser-only pixel.
Server-side profile, catalog and event sync between Adobe Commerce and Klaviyo. Built to survive ad blockers, frontend rebuilds and headless storefronts.
Submit your brief → call within 48 hours → scoped proposal in 3 days → Sprint 1 begins within 1 week of sign-off
187+
Klaviyo flows shipped
42
Adobe Commerce stores integrated
29.3%
Email share of revenue, client average
Why most Adobe Commerce Klaviyo setups underperform
Klaviyo only works as well as the data it receives.
Most Adobe Commerce stores ship Klaviyo as a browser pixel install. Ad blockers swallow events, headless frontends miss them entirely, and refunds never make it back. The result is a Klaviyo account that looks alive and an email channel that quietly underperforms.
Where most setups break
How a server-side build fixes it
Browser pixel fires for some visitors, blocked for others
Ad blockers, cookie consent and tracking prevention drop 18 to 34 percent of events on a typical store.
Server-side events from Adobe Commerce, fired from the backend
Events leave your origin, not the browser. Capture rate climbs back toward 99 percent on most stores.
Order data lags by hours or never updates after refund
Welcome and post-purchase flows fire on stale state. Refund and cancel events rarely make it to Klaviyo at all.
Live order, refund and shipment events stream into Klaviyo within seconds
Adobe Commerce observers push state changes through a queue and into Klaviyo's REST application programming interface, refunds included.
Headless storefronts cannot run the legacy extension at all
PWA Studio and custom React storefronts lose template-rendered tracking. Most teams give up and ship a partial setup.
Storefront-agnostic by design, headless and PWA storefronts included
Backend webhooks and a custom connector decouple Klaviyo from your storefront, so a frontend rebuild never breaks email.
Multistore views share one Klaviyo account with no brand separation
Marketing teams cannot segment by store view, currency or locale. Lifecycle flows leak across brands.
Store view routing into separate Klaviyo accounts or lists
Profile and event payloads carry store view, currency and locale so each brand keeps its own send reputation.
Systems connected
One backbone between Adobe Commerce and Klaviyo, six surfaces of value.
The connector takes care of the complex parts so your marketing team can spend the quarter on flows, segments and creative, not on chasing missing events.
Profile sync
Every Adobe Commerce customer in Klaviyo, with the fields your flows need.
Customers, guests, subscribers, lifetime value, last order date, store view, locale and any custom attribute. Backfilled on day one, then updated by webhook every time the record changes in Adobe Commerce.
{"email": "[email protected]", "external_id": "ac_cust_18472", "store_view": "northpine_uk", "lifetime_value": 1284.50, "last_order_at": "2026-05-14T09:22Z", "segments": ["vip", "uk", "outdoor"] }
Catalog sync
Live product feed
Stock keeping units, variants, stock, price and image URLs pushed into Klaviyo on save. Browse abandonment and back-in-stock flows fire on accurate data.
Order events
Placed, fulfilled, refunded
Every state change in Adobe Commerce becomes a typed event in Klaviyo, with line items, discounts and shipment data attached.
Behavioural events
Browse, cart, viewed product, fired server-side.
A backend event collector signs each event with the customer's external identifier. Ad blockers cannot drop them, headless storefronts pick them up natively, and replay is on by default.
Placed Order · [email protected] · £128.40live
Viewed Product · SKU NPX-204 · [email protected]synced
Added To Cart · SKU NPX-204 · [email protected]synced
Refunded Order · #50012988 · partialprocessing
SMS readiness
Klaviyo SMS, consent first
Adobe Commerce checkout, phone-attribute opt-in and consent timestamps fed straight into Klaviyo's SMS framework with double opt-in support.
Multistore and locale
Brand boundaries respected
Multiple Adobe Commerce store views routed into separate Klaviyo accounts, lists or list segments. Currency and locale travel with every event.
The Klaviyo build slots into the wider stack. Pair it with Adobe Commerce customer relationship management integration services for a single customer record, or browse every system pair in our Adobe Commerce integrations catalogue.
Data entities synced
Every entity, every direction, on the record.
Marketing teams keep asking for the same lifecycle flows, then discover Klaviyo is missing the entity that makes them work. The table below is the contract: what syncs, in which direction, at what frequency, owned by which side.
Entity
Fields synced
Direction
Frequency
Customer profile
email, external_id, name, phone, locale, store_view, segments,
lifetime_value
Adobe Commerce → Klaviyo
Real-time
Order placed
order_id, line_items, totals, discount_codes, store_view,
currency, shipping_method
Adobe Commerce → Klaviyo
Real-time
Order fulfilled
order_id, tracking_number, carrier, shipped_items, shipment_id
Adobe Commerce → Klaviyo
Real-time
Order refunded
order_id, refund_amount, refunded_items, reason, partial_or_full
Adobe Commerce → Klaviyo
Real-time
Cart updated
cart_id, line_items, cart_total, last_updated, abandoned_url
Adobe Commerce → Klaviyo
Real-time
Product catalog
sku, parent_sku, title, price, sale_price, stock_status,
image_url, categories
Adobe Commerce → Klaviyo
15 min
Subscription state
email_consent, sms_consent, list_membership, double_opt_in_at,
unsubscribe_reason
Klaviyo ↔ Adobe Commerce
Webhook
Suppression list
email, suppression_reason, suppressed_at, complaint_count
Klaviyo → Adobe Commerce
Hourly
Frequencies are defaults. Real-time entities run through a queue with retry-with-backoff; backfills handle the first two years of historical orders during launch week.
Data flow, end to end
Click any node to read the contract.
The diagram below is the actual reference architecture we ship. Storefront on the left, Klaviyo surfaces on the right, and the connector layer in between that survives every frontend rebuild.
Redefine connector
Server-side bridge
A small purpose-built service that runs alongside Adobe Commerce, listens to backend events, transforms them into Klaviyo's payload shape, and ships them through the REST application programming interface with idempotency keys, retries and an audit log.
OwnsEvent shape, retries, dead-letter handling, identity
resolution.
TouchesAll eight entities in the sync table above.
Service levelP50 under 4s for order events, P95 under 22s, including
retries.
Auto-cycling · click any node to explore
Process and timeline
From signed statement of work to first live Klaviyo send in 21 days.
A five-phase build that ends with your team sending revenue, not waiting on the next ticket. We share a working data flow at the end of week one, not at the end of the project.
1
Days 1 to 3
Discovery and entity audit
We map your current Adobe Commerce extensions, store views, custom attributes and existing Klaviyo lists into the sync contract.
2
Days 4 to 8
Connector deployed to staging
Server-side connector goes live in your staging environment. Backfill the first two years of historical orders into a staging Klaviyo account.
3
Days 9 to 14
Flows and segments rebuilt
Welcome, browse abandonment, cart, post-purchase, win-back and replenishment flows wired to the new event shape with audience guardrails.
4
Days 15 to 18
Quality assurance, deliverability, domain authentication
DKIM, SPF, DMARC, branded sending domain, seed testing, list hygiene pass and a stress test against your peak hourly order volume.
5
Days 19 to 21
Cutover and first live send
Production cutover behind a feature flag, suppression list import, your marketing lead pushes the first live campaign with us on the call.
Phase 1 deliverable
Entity audit, mapped against your store
Adobe Commerce
Status
Action
5 store views
Routing needed
Split into 3 Klaviyo accounts
14 custom attributes
Mapped
Profile properties added
Subscription module
Reconciling
Recurring orders to Klaviyo events
Legacy Klaviyo extension
Retiring
Server-side connector replaces it
Phase 2 deliverable
Connector live in staging, backfill complete
Backfill progress1,438,212 events
Orders
218k
Profiles
94k
Catalog
12.8k
Phase 3 deliverable
Lifecycle flows wired against the new event shape
Welcome flow · subscribed3 emails · live
Browse abandonment · 1 hour2 emails · live
Cart abandonment · 4 hours, 24 hours3 emails and SMS · live
Post-purchase · day 7, day 302 emails · QA
Win-back · day 902 emails · QA
Replenishment · per stock keeping unitdrafting
Phase 4 deliverable
Deliverability hardened, peak load tested
DKIM
Pass
SPF
Pass
DMARC
Quarantine
Seed inbox rate
98.6%
Stress test · 12k orders per hour
P95 event latency 19s · zero dropped events
Phase 5 deliverable
Production live, first campaign sent with your team
Spring drop announcement
Sent to 184,302 profiles · UK and EU store views
Open
48.2%
Click
3.1%
Orders
412
Revenue
£38.4k
Your team works alongside ours, not behind a ticket queue.
Two ceremonies per week. A 30-minute Monday review of last week's metrics and a Thursday working session for whatever your marketing team wants to ship next. Async on Slack, never email tag.
Your team's time investment is typically 3 to 4 hours per week: one Monday review, async feedback on quality-assurance links, and a final sign-off before each cutover. We handle everything else.
Security and governance
Built for the legal review, not just the launch.
Every Adobe Commerce Klaviyo connector we ship arrives with a consent model, an audit log, and the documentation your Data Protection Officer will ask for on day one.
Consent posture · live
Marketing consent
Email opt-in84.2%
SMS opt-in38.6%
Double opt-in confirmed97.1%
Consent timestamps are captured at Adobe Commerce checkout and forwarded to Klaviyo with the legal basis attached.
Audit log · last 24 hours
Every event, accountable
profile.update · cust_184722xx
order.placed · #500129882xx
order.refunded · #50012988retry 1/3
order.refunded · #500129882xx
catalog.sync · 12,804 stock keeping units2xx
Every payload signed with an idempotency key. Replay any event from the last 30 days from one command-line interface command.
Compliance posture
Data Protection Officer-ready documentation
General Data Protection Regulation right-to-erasure honoured end to end
Adobe Commerce delete cascades into Klaviyo profile suppression within 5 minutes.
Payment Card Industry scope kept off the connector
No card or payment data ever leaves Adobe Commerce. Order totals only.
Region-aware data routing
European Union profiles routed to Klaviyo's European Union infrastructure. Region tag travels with every event.
Data Protection Impact Assessment, data flow diagram, and System of Record included
Hand them to your legal team in week one.
Common edge cases
The Klaviyo questions that derail most launches.
Every Adobe Commerce store has its own scar tissue. Here is how the connector handles the cases that most teams discover only after go-live.
Headless storefronts
PWA Studio and custom React frontends
All events come from backend webhooks, not template renders. A frontend rebuild never breaks the email channel because Klaviyo never depended on it.
Multi-brand multistore
One commerce instance, separate brands
Each Adobe Commerce store view maps to a Klaviyo account or list. Sender reputation, suppression lists and brand voice stay isolated.
Subscriptions and recurring orders
Mirakl, Aheadworks, custom modules
Subscription state changes, renewal attempts and dunning events are mapped to first-class Klaviyo events with the same payload shape as one-off orders.
Refunds and disputes
Refunded order is a first-class event
Partial and full refunds, line-item refunds, chargebacks and store credits all reach Klaviyo. Post-purchase flows pause automatically on refund.
Business-to-business and quote workflows
Quote requests and approvals tracked
Business-to-business quote requests, approvals and re-orders flow into Klaviyo. Pair with Adobe Commerce business-to-business services for the full account-buyer lifecycle.
Identity stitching
Guest checkout to logged-in customer
Guest sessions become full profiles the moment an email is provided. Past anonymous events stitched into the customer history retroactively.
Proof
Gameday Gear turned email into 29.3% of revenue.
Enterprise ecommerceHeadless architectureSports merchandising
Company
Gameday Gear runs an enterprise headless ecommerce storefront in licensed sports merchandise, with seasonal traffic spikes and a marketing team that lives in Klaviyo.
Problem
The existing headless setup lacked a reliable Klaviyo integration. Customer behaviour, product data and conversion events were inconsistently synced, leaving the email channel underused despite strong product demand.
Solution
End-to-end Klaviyo implementation with custom server-side application programming interfaces connecting the headless backend directly to Klaviyo. REST-based profile, catalog and transactional event sync, with a clear event naming schema designed to scale across flows, reporting and future expansion.
Result
29.3%
of conversions came from email after launch
Campaigns drove 23 percent of email revenue. Sustained 51.2 percent open rate, 1.5 percent click rate, and a 1.09 percent bounce rate on a list that grew through the integration year.
51.2%
Open rate
1.5%
Click rate
1.09%
Bounce rate
23%
Campaign share of email revenue
Differentiation
The default extension versus a server-side build.
Most Adobe Commerce stores ship Klaviyo through the default extension or a typical implementation partner. The table below is the conversation that usually only happens after a missed quarter.
Capability
Default extension or typical partner
Redefine server-side build
Event capture rate on a typical store
66 to 82 percent (browser pixel)
Approximately 99 percent (server-side)
Headless or PWA support
Not supported, partial only
Storefront-agnostic by design
Refund and cancel events
Missing or unreliable
First-class typed events with retry
Multistore routing
One Klaviyo account, brands blur
Per-store-view account or list routing
Identity stitching (guest to known)
Manual, often skipped
Automatic, history stitched on email match
Audit log and replay
None, debugging is guesswork
30-day signed audit log, one-command replay
Data Protection Officer documentation
Not in scope
Data Protection Impact Assessment, data flow diagram, and
System of Record shipped in week 1
Survives a frontend rebuild
Usually breaks at cutover
Decoupled, frontend cutover has no effect
Frequently Asked Questions
Adobe Commerce Klaviyo integration questions, answered.
Yes. The default extension stays installed only if you want the admin convenience of in-Adobe Commerce templates. Event capture, profile sync and catalog sync run through our server-side connector, which we recommend retiring the extension events on day one of go-live to avoid duplicate sends.
It all works. The connector listens to Adobe Commerce backend observers and webhooks, not template renders, so the storefront layer is irrelevant. PWA Studio, custom React, Hyva and Luma all behave identically from the connector's perspective.
21 days for a single store. Multistore and business-to-business add about 5 to 10 days depending on the number of store views and the state of your existing Klaviyo account. You see a working data flow in staging by the end of week one.
The first two years of historical orders are backfilled into Klaviyo during phase two, with idempotency keys so re-running the import never creates duplicates. Existing list memberships, suppression entries and consent records are preserved exactly.
Yes. The connector ships phone consent captured at Adobe Commerce checkout into Klaviyo's SMS subscription model with double opt-in support, regional formatting and consent timestamps for compliance.
You own all the code. Optional ongoing coverage runs through Adobe Commerce managed services, where we handle Adobe Commerce patches, Klaviyo application programming interface changes and quarterly deliverability reviews. No lock-in either way.
Scoped before work starts. Line-by-line pricing, no commitment to receive the proposal. Most single-store builds land in a known band that we share inside 3 business days of your brief. See Adobe Commerce development cost for the cost drivers we use.
Fit check
Should we even be having this conversation?
A strong fit
If most of these are true.
- You run Adobe Commerce or Magento at meaningful order volume (above approximately 1,500 orders per month).
- Your marketing team already uses Klaviyo or has a paid plan ready for a real implementation.
- You have a headless storefront, a multistore setup, or both.
- Email and SMS are a real revenue line, not a nice-to-have.
- Your Data Protection Officer or legal team needs documentation, not promises.
Probably not yet
If any of these are true.
- You are still on Magento 1 and not yet committed to migrating.
- You have not picked Klaviyo and are still in vendor selection.
- Email volume is under 5,000 sends a month and is unlikely to grow.
- You need a quick template install, not an architectural rebuild.
- There is no internal owner for marketing data on your team.
Not sure? Tell us your situation in the form below and we will be straight with you. If an Adobe Commerce integration audit is a better starting point, we will say so.
Brief us
Book your Adobe Commerce Klaviyo audit.
Send us the brief. We review your current setup, run a free 45-minute audit call, and come back with a scoped proposal inside 3 business days.
Submit your brief → call within 48 hours → proposal in 3 days → Sprint 1 within 1 week of sign-off
Call within 48 hours
From form submission
Proposal in 3 days
Line-by-line scope
187+ flows shipped
Real, attributable proof
You own the code
No lock-in
Call within 48 hours · proposal in 3 days · Sprint 1 within 1 week of sign-off. No commitment. No pitch.
Brief received
Thanks. We will be in touch inside 48 hours.
We review your situation, sketch the entity map for your store, and send a scoped proposal within 3 business days. If the proposal does not fit, the audit is yours to keep.
Ready when you are
Stop sending email to a fraction of your customers.
21 days from signed statement of work to your team pushing the first live campaign on a stack that survives ad blockers, headless rebuilds and Data Protection Officer review.
No commitment. No pitch. Just an honest read of your setup.
