Help / Integrations / Connect Klaviyo

Connect Klaviyo to Commerce365: step-by-step setup guide

Connect Klaviyo to Commerce365: step-by-step setup guide

Connect Klaviyo to Commerce365: step-by-step setup guide

Learn how to connect your Klaviyo account to Commerce365, choose what data syncs, and start asking the AI about your campaign and flow performance — all in a few minutes.

Learn how to connect your Klaviyo account to Commerce365, choose what data syncs, and start asking the AI about your campaign and flow performance — all in a few minutes.

5 min read

Last updated June 2026

Connecting Klaviyo is the first step to unlocking email and SMS insights inside Commerce365. Once connected, the AI can answer questions like “Which flow generated the most revenue last month?” or “What’s my welcome series open rate?” — straight from your data.

01

What you’ll need before you start

What you’ll need before you start

To connect Klaviyo you'll need:
An active Klaviyo account (any plan)
Admin access in Commerce365
Admin access in Klaviyo to approve the connection
No API keys or copy-pasting required — Commerce365 connects securely through Klaviyo's OAuth authorization flow.

02

Connect Klaviyo in Commerce365

Connect Klaviyo in Commerce365

Inside Commerce365, go to Settings → Integrations and click Connect on the Klaviyo card. You'll be redirected to Klaviyo's secure authorization screen.Review the permissions Commerce365 requests and click Allow. Klaviyo sends you straight back to Commerce365 and the connection is established — no API key needed. You'll see a green "Connected" badge next to the Klaviyo logo.If you click Cancel instead, Commerce365 lets you know the permissions weren't granted and you can restart the connection at any time.

03

Select your Klaviyo account

Select your Klaviyo account

If your organization manages more than one Klaviyo account, Commerce365 asks which account you'd like to connect. Pick the account and you're done.Managing several brands? You can connect additional Klaviyo accounts later from the same Integrations page — Commerce365 keeps each account's data separate.

04

Ask the AI about your performance

Ask the AI about your performance

Your Klaviyo data is now available to the AI. Head to the Commerce365 AI chat and ask things like:"Which email campaign had the highest click rate last quarter?""How much revenue did my welcome flow generate in May?""Compare my abandoned cart flow performance to last month"The AI pulls live from your Klaviyo data and answers in plain language — no dashboards or manual exports needed. You can also enable AI agents that monitor performance and act with your approval.

IN THIS GUIDE

01 — What you’ll need

02 — Connect in Commerce365

03 — Select your account

04 — Ask the AI

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Get early access to AI ad optimization

We are rolling out our AI ad-optimization agent for Meta and Google during a silent go-live. Join the waitlist for early access.

Built in Amsterdam for serious Shopify brands

(c) 2026 Flatline Agency. All rights reserved.

All Systems Operational