Every Shopify store should set up eight core Klaviyo flows: welcome, abandoned cart, browse abandonment, post-purchase, customer winback, a back-in-stock alert, a review request, and a sunset flow for unengaged subscribers. Together these cover the moments that drive the most revenue, from a first signup to a lapsed customer coming back. Most stores see the biggest gains by getting the first four live before anything else.
Here is the good news if you are short on time: you do not have to build or wire up any of this yourself. With flizz.ai the whole stack is one click to activate, and then it runs with minimal hands-on management. The rest of this post explains what each flow does, so you understand what is working for you in the background.
Why flows beat one-off campaigns
Campaigns go out once. Flows run forever. They trigger on what a shopper actually does, which is why automated emails consistently outperform broadcasts on revenue per send. The email-channel industry benchmark is roughly $38 back per $1 spent (results vary by store), and flows are where most of that return tends to concentrate, because they reach people at the exact moment they are deciding to buy.
The goal is not to send more email. It is to send the right email automatically, then improve it over time.
The 8 flows, ranked by impact
Start at the top and work down. The first four typically account for the majority of flow revenue.
| # | Flow | Triggers when | Job to be done |
|---|---|---|---|
| 1 | Welcome | Someone joins your list | Introduce the brand, deliver the signup offer, set expectations |
| 2 | Abandoned cart | A cart is started but not bought | Recover near-misses with a nudge and reassurance |
| 3 | Browse abandonment | A product is viewed, no cart | Catch early intent before it cools |
| 4 | Post-purchase | An order is placed | Reduce buyer’s remorse, drive the second order |
| 5 | Winback | A customer goes quiet | Re-engage lapsed buyers before they churn |
| 6 | Back-in-stock | A sold-out item returns | Convert demand you already captured |
| 7 | Review request | Delivery window passes | Build social proof and repeat trust |
| 8 | Sunset | A subscriber stops engaging | Protect deliverability by retiring dead contacts |
1. Welcome flow
Your highest-engagement moment. People just raised their hand, so reply fast. Deliver the promised incentive, tell your story in two or three emails, and route them to a best-seller. This flow alone often carries the largest share of new-subscriber revenue. For the full breakdown, see the welcome series that converts.
2. Abandoned cart
Shoppers who add to cart and leave are your warmest non-buyers. A short series, the first email within an hour, recovers a meaningful slice of otherwise lost orders. Lead with the product they left, add reassurance (returns, shipping, reviews), and only discount if you have to. Our Klaviyo abandoned cart flow guide walks through the timing and copy in depth.
3. Browse abandonment
Earlier in the journey than cart, and often overlooked. Someone viewed a product but never added it. A single well-timed reminder catches intent while it is still fresh, without feeling pushy.
4. Post-purchase
The order confirmation is the most-opened email you will ever send, so use the moments after it. Thank the buyer, set delivery expectations, cross-sell a complementary item, and start the relationship that turns a first order into a second.
5. Customer winback
Past buyers who have gone quiet are cheaper to re-activate than new customers are to acquire. A timed “we miss you” sequence, tuned to your average reorder window, pulls a share of them back before they are gone for good. See how to build win-back flows for Shopify.
6. Back-in-stock
If an item sells out, let interested shoppers subscribe to its return, then notify them the moment it is live. This converts demand you already earned, with almost no extra acquisition cost.
7. Review request
A few days after delivery, ask for a review. More reviews mean more social proof, which lifts conversion on every page and feeds future post-purchase emails.
8. Sunset flow
Not glamorous, but it protects everything else. Subscribers who never open or click drag down your sender reputation. A sunset flow makes a final ask, then quietly stops emailing the ones who do not respond, keeping you in the inbox for everyone who does.
How to prioritise if you only build a few
- Week one: Welcome and abandoned cart. These are the fastest path to revenue.
- Week two: Browse abandonment and post-purchase. Now you cover the full pre- and post-sale window.
- Then: Layer in winback, back-in-stock, review, and sunset as your list and catalogue grow.
Build the structure first. Polish the copy second. A live, decent flow beats a perfect one that never ships.
The hard part is not building them — it’s keeping them winning
Most stores get the eight flows live and then leave them untouched for a year. The brands that compound are the ones that keep testing subject lines, timing, offers and structure, then roll the winners forward.
That is exactly the part flizz.ai takes off your plate. flizz.ai is self-serve software built by the team behind the sister email agency flizz.net, productizing proven email-marketing playbooks into software you run yourself. Winning strategies and templates — never customer data — are tested across the flizz.ai network and adapted to your brand and voice automatically. It gets smarter as the network grows.
So the setup keeps improving without you touching it as the flows mature. Actual results vary by store, catalog, list and offers.
To be clear about what travels across the network: it is the playbooks and templates that work, not anyone’s customer information. Only strategies travel — never customer data. Your data stays yours.
Get the eight flows running — then keep them running
You can build these eight flows by hand, or activate best-practice versions adapted to your store in a single click. Your only job is to connect your store once and approve the setup; from there the full flow stack runs with minimal hands-on management and keeps refining itself as the flizz.ai network grows. Connect your store to switch it on, and spend less time managing your email marketing.