Connect Klaviyo and Slack to automate your work

Describe to build
Activity reports
Fully supported

MESA's Klaviyo to Slack integration is the fastest way to sync data between the two — without touching a line of code. Choose which fields to send, how they're formatted, and when the sync happens. Start with a pre-built template, customize it with AI, or build something completely unique in under 10 minutes.

★★★★★ 4.9 rating on Shopify App Store

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Start when...
Personalize with built-in tools...
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Then, do this...
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Why integrate Klaviyo with Slack

The Klaviyo to Slack integration helps you sync data, automate manual tasks, and keep your stack aligned — without writing code.

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Data integration →

Keep Klaviyo profiles current as customers shop

When a customer's behavior changes in Shopify — a new purchase, a tag update, a loyalty tier change — MESA updates their Klaviyo profile in real time. Your segments and flows always reflect who your customers are right now.

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Customer experience →

Trigger Klaviyo flows from any Shopify event

When an order is placed, a subscription starts, or a customer hits a milestone, MESA sends the signal to Klaviyo and starts the right flow. Your email automation runs on the full range of what happens in your store, not just native Shopify triggers.

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Order automation →

Suppress the right customers from campaigns automatically

When a customer files a return, opens a support ticket, or enters a sensitive window, MESA updates their Klaviyo suppression list or profile status. Your campaigns reach the right people at the right time without manual list hygiene.

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Inventory management →

Alert your team the moment stock runs low

MESA watches inventory levels across your catalog and sends a Slack message the instant a threshold is hit. Your team can act before customers ever see a stockout.

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Order automation →

Keep your team in the loop on every order

When an order comes in with specific conditions — high value, wholesale, flagged address — MESA sends a Slack alert instantly. No one has to check dashboards to know what needs attention.

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Fulfillment operations →

Replace manual status updates with automatic ones

When a fulfillment status changes in Shopify, MESA posts the update to the right Slack channel. Your ops team always knows where orders stand without chasing tracking numbers.

Build any Klaviyo and Slack automation

MESA helps you connect apps to automate repetitive tasks. A trigger is an event that starts a workflow, and actions are the steps that occur when it's running.

Not just software—partnership

Expert support included

MESA includes hands-on support from automation experts who know how to get things done.

Free workflow setup

Free workflow setup

We'll build your first workflow with you live. Most merchants walk away with automation saving 5+ hours/week.

Fast response times

Fast response times

Average first response: Same day. Critical issues: Immediate escalation. Complex builds: 24-48 hours.

Ongoing optimization

Managed services available

Personalized workflow reviews, and quarterly check-ins to identify new opportunities as your business grows.

Real humans, always

Real humans, always

Chat with real automation experts (not bots). Email support 9am-5pm PST. Google Meet sessions for complex workflows.

Learn how to automate Klaviyo

Integrate Klaviyo with Slack today.

Enjoy a 7-day free trial. Get your first workflow in minutes.

Try MESA today →