Make Klaviyo your top revenue channel on BigCommerce
Your BigCommerce store fires hundreds of buyer signals a day. Right now most go nowhere. Redefine maps every data object and rebuilds every Klaviyo flow. Your email channel finally works as hard as your store.
Submit brief → call within 48 hours → scoped proposal in 3 days → build starts within 1 week of sign-off

Most BigCommerce stores lose email revenue every month
A shallow Klaviyo integration keeps your best buyer signals from reaching your email platform. The average $500K store loses about $6,200 a month to that gap.

Order events never reach Klaviyo reliably
Webhooks misfire or batch late. Flows trigger on stale or missing data.
Abandoned cart emails send hours late
Recovery windows close before the first email sends.
Catalog and custom fields stay out of sync
Product data goes stale. Metafields never become Klaviyo properties.
No per-flow revenue attribution
You cannot prove which email drove which order.
Average missed revenue per month
$6,200 per $500K/yr store
Every order and browse event in real time
Webhooks and JS events reach Klaviyo in seconds.
Cart abandonment within 15 minutes
Recovery series starts while intent is still warm.
Full catalog and metafield mapping
SKUs, categories, inventory, and custom fields on your cadence.
Per-flow revenue attribution from day one
See which flow and campaign earned each BigCommerce order.
Average email revenue contribution
28 to 34% of total store revenue
Every BigCommerce signal mapped to the right Klaviyo profile
Click any stage to see what we build in production. The same webhook layer, catalog, and events feed your flows with clean attribution.
BigCommerce storefront
Browsers, carts, checkouts: client and server signals
Webhook ingestion
Validated queue, retries, dedupe: no silent drops
Catalog and field mapping
SKU, variants, categories, metafields to Klaviyo properties
Flows and suppression
Triggers, splits, sunset rules tied to BigCommerce truth
Attributed revenue roll-up
Orders tagged back to Klaviyo message and flow
Storefront signals
Script and application programming interfaces capture browsing intent
We combine BigCommerce storefront activity with server-side hooks. Browse Abandonment and Viewed Product events reach Klaviyo. Consent and region rules stay intact.
Event transport
Webhook layer built for uptime
Order paid, refunded, fulfilled, subscriber updates: Order paid, refunded, fulfilled, and subscriber updates queue durably ahead of Klaviyo. Traffic spikes and API blips never erase a revenue event.
Data model
Granular mappings your flows can trust
Variant images, bundles, wholesale groups, loyalty tiers: Variant images, bundles, wholesale groups, and loyalty tiers become Klaviyo custom properties. No CSV exports required.
Automations
Flows that react in minutes, not batches
Welcome, win-back, post-purchase, replenishment: Welcome, win-back, post-purchase, and replenishment each read live BigCommerce data. Offers never conflict with fulfillment.
Return on investment proof
Orders stitch to messages automatically
Each BigCommerce order references the send that earned it. Klaviyo dashboards show real flow revenue with no spreadsheets.
Synced data objects
Deep Klaviyo flows that still match your BigCommerce data
Every build covers the full lifecycle. Webhook transport, data enrichment, catalog accuracy, cleanup, and a fixed price before anyone writes code.
Throughput
<5s webhook-to-profile latency
Emails fire while the shopper still has the tab open. That timing is what recovers carts and rewards your best buyers.
Coverage
of our Klaviyo work is ripping out brittle native syncs: We expect the edge cases upfront, so your rebuild does not stall on surprises.
Browse and checkout
Signals beyond baseline order sync
Product views, carts, catalogs, subscriber consent: Product views, carts, catalogs, and consent all use the same schema your flows already reference.
Runbooks
Remediation playbooks included
Webhook replay drills, suppression hygiene, staged catalog backfills: Webhook replay drills, suppression cleanup, and staged catalog backfills, all Webhook replay drills, suppression cleanup, and staged catalog backfills, all Webhook replay drills, suppression cleanup, and staged catalog backfills, all documented for your operations team.
Commercials
Scoped fee before kickoff: no stealth hours
You get a line-item proposal within three business days of the free scoping call, so finance can approve with confidence.
Four checkpoints from signed scope to attributed revenue
Discovery and Klaviyo audit
Inventory existing flows, lists, integrations, gaps.
We reconcile BigCommerce storefronts, webhook logs, Klaviyo settings, consent configuration, and current campaign load so the rewrite does not strand historical engagement data.
Technical mapping and webhook hardening
Schemas, enrichment, quality assurance harness.
Our engineers lock the canonical event taxonomy, replay historical orders where needed, and prove catalog and metafield parity before marketers touch rebuilt flows.
Flow stack and template migration
Lifecycle journeys on clean data.
Welcome, win-back, post-purchase, replenishment: each split references live BigCommerce properties with staged sends and approval checkpoints.
Attribution quality assurance and handoff
Revenue tags, dashboards, training.
We validate sampled orders inside Klaviyo reporting, finalize suppression and deliverability safeguards, then give your internal team runnable checklists.
Rolling timeline
Days 1 to 4
Kickoff recordings and integration audit circulated async.
Days 5 to 9
Webhook and catalog layers hit staging parity reviews.
Days 10 to 13
Flows rebuilt, seeded sends validated with your lifecycle owner.
Day 14 target
Production enablement plus attribution spot-check workbook.
Need multi-storefront or ESP migration? Add 4 to 7 days for schema merges or historical backfills. We surface that in the proposal, never on a surprise invoice.
Off Grid Knives: lifecycle email overtook acquisition

Company
Off Grid Knives
Outdoor / BigCommercePremium direct-to-consumer knives. Paid ads had capped their growth. Lifecycle email became the channel that scaled.
Problem
Transactional emails worked. But purchase data never reached Klaviyo fast enough to segment in time.
Solution
We hard-piped BigCommerce webhooks and enriched the catalog. Flows then personalized by product category and split big spenders from browsers.
Result
0%
Owned-channel share peak
0flows
Rebuilt lifecycle stack
Tracked revenue grew from about $1M to $3.8M a year over three years. Klaviyo beat their blended ad-spend return targets month after month.
×
200
Marketing lead
Off Grid Knives
Built for BigCommerce brands serious about lifecycle revenue
Strong fit
- You are on BigCommerce and Klaviyo is (or will be) your lifecycle brain, SMS included.
- You sell complex catalogs: variants, bundles, B2B price lists, and loyalty tiers.
- Acquisition works but repeats and margins live inside owned channels.
- Operations will dedicate a lifecycle owner plus approximately 2 technical hours weekly during build.
Not a fit (yet)
- You only blast monthly newsletters: no appetite for behavior-triggered journeys.
- Below $25K monthly gross merchandise value with zero engineering access for webhook validation.
- You need a no-code workflow tool only: we exit those engagements early.
- Legal blocks server-side integrations entirely (we respect hard no's).
Somewhere in the middle? Send the brief anyway. We say no politely when custom work is not worth it.
BigCommerce and Klaviyo FAQs
Most integrations go live within 14 calendar days of the scoping call sign-off. Larger catalogs or multi-storefront setups can take 18 to 21 days.
Yes. About 40% of our integration work is remediation. We audit your current setup and find which data objects are missing or misfiring. Then we rebuild the webhook layer and rebuild your flows on clean data.
Klaviyo's native BigCommerce app captures order events and basic subscriber sync. Redefine adds browse abandonment, custom metafields, customer group data, catalog data with variant images, and multi-storefront routing.
Yes. Flow logic, timing, and conditional splits transfer to Klaviyo. Email templates require rebuilding inside Klaviyo's editor. We also handle historical data backfill and suppression list migration.
Integration builds start at a flat project fee scoped before work starts, with no hidden hourly overages. The scoping call is free and you receive a line-by-line proposal within 3 business days.
Send your store URL. Get a free Klaviyo integration plan.
Book a call within 48 hours. Get a scoped plan in three business days. Go live within two weeks of approval.
48h callback
Plan in 3 days
48 integrations
You own the code
Call within 48 hours → integration plan in 3 days → live within 2 weeks of sign-off
Brief received
Brief received. Our lifecycle team reviews new briefs twice a day. Your calendar invite arrives within two business hours.
Still guessing which flow actually printed revenue last month?
Fix the BigCommerce and Klaviyo data gap once. After that every test you run builds on clean data instead of breaking on it.