Klaviyo

Klaviyo Flows: What They Actually Automate, and What Feeds Them

A Klaviyo Flow is an automated sequence, email, SMS, or both, triggered by a specific event: an abandoned cart, a placed order, a date, or a segment someone just entered. Flows are genuinely Klaviyo's strongest feature, built around real e-commerce behavior. Where they stop is the moment the event or the segment logic needs data Klaviyo can't see on its own.

How Flows and the segments behind them actually work

A Flow starts from a trigger (most commonly Started Checkout, Placed Order, or Subscribed), and from there runs a series of time delays, conditional splits, and messages. Klaviyo's "Smart Sending" feature automatically suppresses a send to someone who's already received too many messages recently, a real, built-in deliverability safeguard most other platforms make you build yourself.

Flows almost always run against a segment, a saved, dynamically updating filter built from any combination of profile properties, event history, and predicted metrics (Klaviyo's own machine-learning estimates like predicted lifetime value or likelihood to churn). A segment stays current automatically as a profile's data changes, the same way Mailchimp's segments do, which our Mailchimp segmentation page → covers for that platform.

The standard e-commerce flow set, abandoned cart, browse abandonment, post-purchase, win-back, welcome series, is well documented and genuinely effective out of the box for a typical Shopify or BigCommerce store.

Where a Flow's trigger or segment runs out of data

A Flow can only trigger on an event Klaviyo already knows about, and a segment can only filter on a property already on the profile. The moment your actual trigger condition, real-time inventory, a loyalty tier calculated elsewhere, a wholesale order from a system outside your main storefront, lives somewhere else, the Flow has nothing to check.

We build that connection, so a Flow fires on the real state of your business, not an approximation based only on what Klaviyo's native integrations happen to see.

What that looks like built out

A Flow that checks real inventory before it fires

An abandoned-cart or browse-abandonment Flow confirms actual stock before sending, instead of pushing a reminder for something that already sold out.

Segments built on data Klaviyo never had natively

Loyalty tier, wholesale order history, or a support-ticket signal from another system lands on the profile as a custom property, so a segment can finally filter on what you actually care about.

What's your Flow trying to check that Klaviyo can't see?

Tell us what event or property is missing and where it really lives.

Let's talk

Running Klaviyo Flows that trigger on an approximation instead of the real thing?

Tell us what event or data point your Flow is actually missing, real stock, a loyalty tier, an order from outside your main storefront. We'll build the connection that gets it there. Flows are one example; n-frames automates whatever's manual, in Klaviyo or anywhere else in your business.

Let's talk

Frequently Asked Questions

What is a Flow in Klaviyo?+
An automated sequence of email and/or SMS messages triggered by a specific event or by someone entering a segment, with built-in time delays and conditional branching. It's Klaviyo's term for what other platforms call an automation or workflow.
What is Smart Sending in Klaviyo?+
A built-in safeguard that automatically holds back a message to a profile that's already received too many recent sends, protecting deliverability without you having to manually cap send frequency across every Flow and campaign.
How do segments work with Flows in Klaviyo?+
Most Flows trigger off, or run conditional logic against, a segment, a saved filter built from profile properties, event history, or Klaviyo's predicted metrics. The segment updates dynamically, so Flow eligibility stays current as a profile's data changes.
What are the most common Klaviyo Flows?+
Abandoned cart, browse abandonment, post-purchase follow-up, win-back, and welcome series cover most of what a typical e-commerce store needs, and all come as prebuilt templates you can customize rather than needing to be built from a blank canvas.
Can a Klaviyo Flow trigger off something outside Klaviyo's native integrations?+
Only if that event or data point is synced into Klaviyo first through its API. Native integrations cover Shopify and a handful of other platforms well; anything outside that list needs a custom connection to reach a Flow's trigger or a segment's filter.

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