Write post-purchase emails

Send customers the emails that help them get the most from what they bought, timed to when they'll actually need each one, so their first order leads to a second.

Key Takeaways

  1. Post-purchase emails are the messages a customer gets after the order confirmation and shipping updates: how to start using the product, how to care for it, a check-in once they've tried it, and a reason to come back.
  2. The best ones follow the product's timeline, not the order date. Each email arrives at the moment the customer needs it, such as the day the package lands or the week a common problem usually shows up.
  3. Kite reads your orders in Shopify or WooCommerce to see what each customer bought, groups customers by product, and writes care emails from your products' real details, including the care instructions your store already keeps.
  4. Kite writes the sequence into Mailchimp or Brevo for your email tool to send, or sends it from your Kite team address as new orders come in, once you approve it.
  5. Kite measures the sequence by second orders, not opens, and uses what it learns to rewrite the emails that aren't pulling their weight.
On this page

Why post-purchase emails matter

Most stores email a customer three times after a sale: the order confirmation, the shipping notice, and the delivery notice. Then they go quiet until the next promotion. That silence lands at the worst moment. The customer has just unboxed the product, they're deciding whether they made a good choice, and they're most likely to have questions about how to use it.

Post-purchase emails fill that gap. They help the customer get a good result from what they bought, and a customer who gets a good result is the one who buys again, recommends you, and leaves a review. That's why they matter for repeat sales. Your second sale to a customer depends on how the first product worked out for them.

The work behind a good post-purchase sequence looks like this:

  • Know what each customer bought, because care tips for a houseplant are useless to someone who bought a ceramic pot.
  • Work out what happens after the product arrives: when it's first used, when problems usually appear, and when it runs out or needs a companion product.
  • Write a short email for each of those moments, with one job each.
  • Set the emails up to send on their own as new orders come in.
  • Count how many customers order again, and improve the emails that don't help.

Most small stores never get past the first step, because the job needs your order data, your product knowledge, your email tool, and a writer all at once. An AI agent is well suited to it. It can read your orders and product details directly, write a different email for each product group without the copy turning generic, and set the sequence up inside the tools you already use.

Kite is an AI marketer. It researches your business, builds a growth strategy, and ships the work that brings you new customers. Here's how it writes post-purchase emails.

How Kite writes post-purchase emails

Kite starts from what your customers bought and what happens to that product after it arrives. During onboarding, Kite researches your products, customers, and brand voice and saves them in your team's knowledge base. When you ask for post-purchase emails, it adds your order history from Shopify or WooCommerce, so it knows which products your customers buy first and which ones they buy next.

From there, Kite maps the weeks after delivery for each main product group and decides which emails belong in that window. It writes the emails in your voice, from the real details of each product, and brings you the map and the drafts together to approve.

Once you approve them, Kite sets the sequence up where it will run. That might be templates in your email tool's automation, or a daily check of new orders that Kite sends from your team address. Afterward, Kite reads your orders to see who bought again and recommends which email to rewrite next.

  1. What emails should you send after someone buys?
  2. Learn what your customers bought and what happens next
  3. Map the weeks after delivery
  4. How do you send product care tips to customers?
  5. How do post-purchase emails help with repeat sales?
  6. Set the sequence up to send on its own
  7. Measure second orders and improve the weakest email

What emails should you send after someone buys?

A good post-purchase sequence has three to five emails after the order and shipping notices, and each one does a different job. The exact set depends on your products, but most stores need some version of these:

  1. The welcome. Sent around the time the package arrives. It thanks the customer briefly and tells them the one thing to do first, such as "let your new plant sit for a week before you repot it."
  2. The care email. Sent once they've started using the product. It answers the question most customers have at that point, such as how often to water, how to clean a cast-iron pan, or how to store a coffee bag once it's open.
  3. The check-in. Sent after they've had time to form an opinion. It asks how it's going and invites a reply, a photo, or a review, because a customer who had a problem would rather tell you than leave a bad review.
  4. The next step. Sent when the customer is likely to need something else. That could be a refill, a matching accessory, or the product most customers buy second.

Kite doesn't send all four to every customer by default. It decides from your products. A store selling skincare may need a care email and a refill reminder but no setup email. A store selling espresso machines may need two setup emails before anything else.

Learn what your customers bought and what happens next

Kite reads your Shopify or WooCommerce orders to see what each customer bought, in what combination, and what they bought next. That tells Kite two things it needs before it writes anything: which products deserve their own care emails, and which product most often becomes the second purchase.

Say you run a houseplant shop. Kite might find that most first orders are a single plant, that a third of repeat customers come back for plant food, and that a decorative pot is the most common second purchase. That gives the sequence its shape. The care emails cover the plant, and the last email suggests the pot or the food at the moment the customer would plausibly want it.

Kite then groups customers by what they bought. In Shopify, it tags them, so a group like first-time monstera buyers stays visible in your store. In Mailchimp, it can tag contacts and build a segment for each group. If your store is connected to Mailchimp, Kite can also read what each customer bought from Mailchimp's store data. In Brevo, it reads contacts by list, segment, or the attributes you track.

Map the weeks after delivery

Kite plans each email around what the customer is doing with the product at that moment, not around a fixed number of days after the order. Before it writes, it maps the sequence: when each email lands, what the customer has and hasn't done by then, and the one thing that email is for.

For the houseplant shop, the map for a new plant might look like this:

  • Delivery day. The plant has just come out of a dark box. The email tells the customer where to put it and not to repot or fertilize it yet.
  • About ten days later. This is when most customers first wonder whether they're watering too much. The email shows how to check the soil before watering.
  • About three weeks later. The plant has either settled in or it hasn't. The email asks how it's doing and invites a photo or a question.
  • About six weeks later. The plant is growing and will soon outgrow its nursery pot. The email suggests the pot that fits it and the plant food that keeps it going.

Timing works best when it starts from delivery rather than the order date. In Shopify, Kite reads each order's fulfillment status and tracking, so it can time the first email to the day the package arrives. Every email in the map gives the customer something the one before didn't. If two emails could swap their bodies without anyone noticing, Kite merges them into one.

How do you send product care tips to customers?

Send care tips in a short email that covers only the product the customer bought, at the point they're starting to use it. A general "how to care for your plants" newsletter goes unread. A note that says "your fiddle-leaf fig will probably drop a leaf or two this week, and here's why that's fine" gets opened, because it answers a worry the customer has right now.

Kite writes each care email from the real details of the product. In Shopify, many stores keep care instructions, materials, or ingredients in custom product fields called metafields, which their theme shows on the product page. Kite reads those fields along with the product description and what it learned about your products during onboarding. It can also read public reviews of your products to find the questions and complaints customers raise most often.

For a large catalog, Kite writes one care email per product family rather than one per product. A store with 300 plants might need care emails for tropical plants, succulents, and ferns, each pulling in the specific plant's name. If Kite notices that your care details are missing or thin on some products, it can write them and add them to those product fields in Shopify, so the product pages improve along with the emails.

Kite writes in your brand voice and often suggests a plain email signed by a real person, because a short note from the owner of a small shop reads like advice, not an ad. Every draft gets a review pass for wording that sounds machine-written before you see it.

How do post-purchase emails help with repeat sales?

Post-purchase emails help with repeat sales by making the first purchase go well and then naming the right next product at the right time. A customer whose plant died isn't buying a second one, no matter what discount you send. A customer whose plant is thriving is ready to hear about the pot it needs.

So Kite saves the selling for the end of the sequence and makes it specific. The last email suggests the product your order history shows customers most often buy next, at the point they're likely to need it. When a product runs out on a predictable schedule, such as coffee, skincare, or plant food, Kite times that email to how fast customers use it up. That overlaps with sending reorder reminders, which Kite also handles as its own job.

When an offer makes sense, Kite sets it up in your store. In Shopify, it adds codes to a discount you've already created, up to 100 at a time, so each customer gets their own code and you can see which ones were used. It can also issue a gift card to a specific customer, which works well as a thank-you to someone who left a detailed review. Kite only uses offers you've approved, and it doesn't invent deadlines to create urgency.

Set the sequence up to send on its own

Kite sets up the sequence so every new customer gets it without anyone pressing send. How it does that depends on your email tool.

  • In Mailchimp, Kite writes the emails as templates, builds the segments, and can start or pause a classic automation or add a specific customer to an automation email's queue. If you've built a Customer Journey that starts from an API trigger, Kite can start that journey for each new customer.
  • In Brevo, Kite writes and updates the email templates that your Brevo automations send. You build the automation in Brevo, and Kite keeps the emails in it current.
  • From your Kite team address, Kite can run the sequence itself. It checks your new orders every day on a schedule, finds the customers who are due for each email, and sends them. It can also start the moment an order comes in, because Shopify and WooCommerce can both notify a web address Kite gives you whenever a new order is placed.

By default, Kite asks for your approval before it sends email. When Kite sends the sequence itself, you can approve each day's batch, or give Kite more autonomy once you trust the emails. When your email tool runs the automation, you approve the emails once and the tool sends them from then on.

Kite leaves out anyone who shouldn't get the email. It skips customers your email tool marks as unsubscribed, anyone your CRM marks that way, and anyone who asked in an earlier reply to stop hearing from you.

Measure second orders and improve the weakest email

Kite measures a post-purchase sequence by how many customers order again and how soon, not by how many opened the email. Opens tell you whether a subject line worked. Second orders tell you whether the sequence worked.

Kite reads results in two places. From your email tool, it reads opens, clicks, replies, and unsubscribes for each email, and in Mailchimp with a connected store, the orders and revenue each email brought in. From Shopify or WooCommerce, it reads the orders that came in from the customers who got the sequence, including any discount code they used.

That turns into a recommendation. If customers who got the watering email reorder at a higher rate than those who didn't, the care emails are earning their place. If the check-in email draws lots of replies about the same problem, Kite suggests adding the answer to an earlier email or to the product page. Kite records what worked in your knowledge base, so the next round of edits starts from your own results.

What you get

A post-purchase map for each product group

When each email lands, what the customer is doing with the product at that point, and the one job each email has.

Customer groups by product

Your customers sorted by what they bought, and tagged or segmented in your store or email tool.

A written sequence

Three to five emails per product group, with subject lines, timing, and copy in your voice, built from your products' real care details.

The sequence, set up to run

Templates and segments in Mailchimp or Brevo, or a daily or new-order check that Kite runs from your team address.

A results report

How many customers ordered again and how soon, which emails earned replies and clicks, and which email Kite recommends rewriting next.

How to get started

Start by telling Kite what you sell and what you want after the first order. You might say, "Write the emails customers get after they buy from us," or "Customers buy one plant and never come back. Help me fix that."

Kite reads your order history, proposes the product groups that need their own emails, and maps the sequence for each one. It then brings you the drafts. You change any of it, or approve it with a reply or the Approve button in the Kite web app or in Slack.

To do the full job, Kite needs two connections. Connect Shopify or WooCommerce so Kite can read who bought what and when. Then connect Mailchimp or Brevo if you want your email tool to send the sequence. If you don't use an email tool, Kite can send the emails from your Kite team address instead.

Integrations used for post-purchase emails

Kite does the planning and the writing itself. Your store tells it what each customer bought, and your email tool is where the sequence runs and where unsubscribes are kept.

Common questions

What's the difference between an order confirmation and a post-purchase email?

An order confirmation is a transactional email. It confirms the purchase, the price, and the delivery address, and your store sends it automatically. A post-purchase email is a marketing email sent afterward to help the customer use the product and buy again. Kite leaves your order and shipping notices to Shopify or WooCommerce and writes the emails that come after them.

Should every post-purchase email include a discount?

No. A discount in the first email teaches customers to wait for the next one, and it costs you margin on people who were going to buy again anyway. Kite leads with help in the early emails and saves any offer for the last one, or for customers who left a review or bought more than once.

Do customers need to agree to receive post-purchase emails?

Order and shipping notices usually don't need marketing consent, but care tips and product suggestions generally count as marketing in many countries. The rules depend on where your customers live. Send those emails to customers who agreed to hear from you at checkout. Kite leaves out anyone your email tool marks as unsubscribed.

How is a post-purchase sequence different from a win-back campaign?

A post-purchase sequence runs in the weeks right after an order, while the customer is still using the product for the first time. A win-back campaign starts much later, after a customer has gone quiet past the point they'd normally buy again. Kite handles that later stage as its own job in winning back lapsed customers.

Where can I see examples of post-purchase emails?

Kite collects examples of what small stores send after a sale, from welcome notes to care guides to refill reminders, in Post-purchase email examples: what small stores send after the sale Coming soon .

Questions this page answers

  • How do I write post-purchase emails with AI?
  • Can an AI marketing agent write post-purchase and product-care emails?
  • What emails should I send after someone buys?
  • How do I write a post-purchase email sequence for ecommerce?
  • How do I send product care tips to customers?
  • How do post-purchase emails help with repeat sales?

About the author

Devon Wells leads product marketing at Kite, the AI marketer. He spent a decade marketing industrial AI, from self-driving trucks to computer vision, but now Kite handles most of the work itself.

Tell me your goal and I’ll get to work.

Get started for free