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AI Repeat Purchase Agent
Customers hear from you right as their last order is about to run out, not weeks after they already switched.
If you sell products people use up, such as coffee, skincare, supplements or pet food, every customer has a natural reorder moment. This agent learns that moment from each person's own order history and sends a friendly reminder with a one-click reorder link just before they run out. It works through your email or SMS platform, and you choose which products count.
- Reorder timing learned from each customer's own purchase history
- Reminders with a one-click reorder link, sent before stock runs out
- Replenishment revenue reported separately from first-time sales
$1,900
20–30 working days
Optional maintenance $249/mo
What it is
AI Repeat Purchase Agent is a background workflow that learns how long each customer's past order typically lasts, then reminds them to reorder through your email or SMS platform shortly before that point, so consumable and repeat-use products get restocked on time.
Why businesses buy it
When a customer runs out of something they like and no reminder arrives, they often grab a substitute from the nearest shop or marketplace. That lost reorder is revenue you had already earned. Fixed-interval reminders help a little, but people use products at different speeds. This agent times each reminder to the individual, so it feels helpful rather than pushy. The written scope covers which products are included, how timing is calculated and how it is tested, so you can approve it with confidence.
Problems this solves
Customers run out of a consumable and buy the refill elsewhere
The agent learns how long each customer's past order typically lasts. It sends a reorder reminder through your email or SMS platform shortly before that point, while you are still top of mind.
One fixed reminder schedule ignores how fast each person uses things
Timing is worked out per customer from their own order gaps, not one store-wide rule. One AI decision step sets the moment, inside the guardrails agreed with you.
Restock reminders are set up once and then forgotten
The workflow runs in the background across up to three connected systems. It keeps working as new orders arrive, and was checked in 20 test runs before launch.
A good fit if
You sell consumable or repeat-use products, such as supplements, skincare, pet food or coffee, where customers naturally run out and reorder on a rhythm.
You already send email or SMS through a platform such as Klaviyo, and want reorder timing calculated per customer instead of guessed with one fixed interval.
You want reminders sent while a customer is still active and likely to reorder, before they go fully quiet.
You are comfortable with the agent running in the background on a schedule, with no chat interface or live channel to staff.
Not the right fit if
The customer has already gone quiet for months rather than being due for a routine reorder. See AI Win-Back Agent, which re-engages lapsed customers with offers matched to their history.
The customer left items sitting in a cart right now. See AI Abandoned Cart Agent, which recovers carts with timed, personalized messages.
You want a broader post-purchase sequence covering onboarding and reviews, not only reorder timing. See AI Post-Purchase Agent, which runs post-purchase messaging for onboarding, cross-sell and review requests.
Your products are mostly one-off purchases with no natural reorder cycle, such as furniture or electronics. This build depends on a repeat-use pattern; add a note at checkout for a Custom AI inquiry.
How it works
- We connect to your store platform, such as Shopify or WooCommerce, with read access to each customer's order history and the products they bought.
- For products you mark as repeat-use, the workflow calculates a typical reorder interval per customer, learning from their own past orders rather than one fixed number for everyone.
- As a customer approaches their expected reorder date, a reminder is drafted referencing the specific product and a one-click reorder link.
- The message sends through your existing email or SMS platform, timed to land before the product is likely to run out, not after.
- Reorders placed after a reminder are tracked back to the workflow, so you can see replenishment revenue separately from first-time sales.
What you provide within 72 hours
Your portal lists these the moment you order. Delivery starts the working day after everything is in and your access is checked.
- A list of the systems involved, such as your store platform and your email or SMS provider, each with admin or API access.
- A written description, or a short screen recording, of how you currently remind customers to reorder, even if the answer is that you do not.
- Five to ten real examples of repeat customers and their order history, so reorder timing is tuned on genuine behavior.
- The list of products that are genuinely repeat-use, so reminders are never sent for one-off purchases.
- The name of whoever should be told if the workflow hits an error or a send fails.
- Admin access and API keys for every connected system, shared by adding our team as a user or creating a key you control, never by email.
- Your business information (company basics, hours and brand voice), shared during intake.
- One decision-maker on your side who can approve the reorder timing logic before launch.
- An API key for your own AI model account (for example OpenAI or Google Gemini), created for this build with a spending limit.
The 72-hour rule. Send everything on your checklist, including access, within 72 hours of ordering so your build starts on time.
Timeline
Start
Intake verified, repeat-use products and reminder timing agreed.
Weeks 1–2
Per-customer reorder timing logic and reminder message built.
Week 3
Your store platform and email or SMS platform connected.
Weeks 3–4
Twenty test runs completed on your own sample order data.
Week 4
Your review and two rounds of changes to timing and wording.
Go-live
Live, recorded handoff session, support starts.
| Option | Delivery time | Price |
|---|---|---|
| Standard | 20–30 working days | $1,900 |
| Express | 15–25 working days | $2,300 |
| Rush | 10–20 working days | $2,650 |
What you receive at handover
- AI Repeat Purchase Agent configured and running in your environment
- One reminder workflow of up to 12 steps, with prompt and guardrail settings
- Connections to up to three systems, such as your store and messaging platform
- A test report from 20 runs on your sample data
- An admin guide, a recorded 45-minute handoff and 30 days of post-launch support
Expected benefits and how to measure them
- Can help customers restock on time instead of drifting to another brand
- Makes reminders feel timely rather than random
- Helps steady the flow of repeat orders
- Repeat purchase rate
- Compare the share of customers placing a second order in your store reports for the quarter before launch and the quarter after.
- Average gap between reorders
- Calculate it from order exports for repeat products, before and after launch.
- Orders placed after a reminder
- Use your email or SMS platform's attribution report, tracked monthly.
Before you start: Record your current repeat purchase rate and the typical gap between orders for your main consumable products.
These are things to track, not promised results. Outcomes depend on your data, your team and your market.
Running costs
The build price is one-time. Running the workflow afterwards costs roughly $20 to $100 a month, covering the automation platform plus AI model usage for timing and drafting each reminder. Your existing email or SMS plan is billed separately, in your own account.
AI usage during the build and testing is also billed to your own accounts, so every provider relationship stays yours. Nothing runs through us.
Ask about running costsCustom requirements
If you need timing calculated across a wider product set, an extra connected system, or a second language, add a note at checkout for a written Change Quote. Your original order still runs on its normal timeline. Larger or bespoke projects go through the Custom AI request form instead.
Request a custom versionKeep it running
Monthly maintenance covers monitoring, fixes and a monthly allowance of change hours, enough to add newly launched repeat-use products or adjust timing. It starts after the thirty days of included support, bills monthly, and can be cancelled any month.
$249/mo (the minimum fee, includes 2 change hours)
Optional. Starts after the post-launch support period. Cancel any month.
How maintenance worksHow this compares
| Do it yourself with a SaaS tool | Hire a custom agency | Upmark Labs | |
|---|---|---|---|
| Price | A subscription or replenishment app charges a recurring platform fee per order | A custom agency quotes after discovery calls | Ours is one fixed price, shown before you buy |
| Scope | A replenishment app often forces customers onto a fixed subscription plan | An agency agrees scope during the project | Ours is written on the Scope Card before purchase |
| Delivery | A replenishment app can be live the same day but interval tuning takes weeks | An agency usually takes several weeks, set per project | Ours has a fixed delivery time shown before you buy, with faster options |
| Timing logic | A replenishment app usually uses one fixed interval for every customer | An agency build depends on what was agreed | Ours learns each customer's own reorder rhythm from their order history |
Questions about this product
What does the AI Repeat Purchase Agent build include?
It covers connecting your store and messaging platform, the reorder-timing logic for the products you mark as repeat-use, twenty test runs on your own order history, two rounds of changes and a recorded handoff session. The fixed price and the faster delivery options are shown on this page before you order, so you know the full scope in advance.
How much does AI Repeat Purchase Agent cost to run each month?
Roughly $20 to $100 a month, covering the automation platform and AI model usage that times and drafts each reminder. You pay that directly in your own accounts. Your existing email or SMS plan, such as Klaviyo, is billed separately by that provider and is not part of this figure.
How long does AI Repeat Purchase Agent take to launch?
Delivery runs to a fixed schedule shown before you buy, with express and rush options if you want reminders running before a busy season. The clock starts once your repeat-use product list and sample order history are confirmed, usually within 72 hours of ordering. You see the test runs before any customer gets a reminder.
How does AI Repeat Purchase Agent know when a customer will reorder?
It calculates a typical reorder interval per customer from their own past orders of the same product, rather than applying one fixed number to everyone. A customer who reorders every six weeks gets a reminder timed to that rhythm, not the average across your whole customer base.
What access does AI Repeat Purchase Agent need to my store?
Read access to order history and product purchases on your store platform, plus admin or API access to your email or SMS platform, shared by adding our team as a user or creating a key you control, never by email. It does not need payment details, only the order records needed to calculate reorder timing.
Can I change the repeat-use product list later?
Yes. Adding newly launched repeat-use products or adjusting timing fits inside the monthly change hours of optional maintenance. A new connected system or additional workflow logic is handled as an add-on or a Change Quote. Maintenance also covers monitoring and fixes. It starts after included support, bills monthly and can be cancelled any month.
Who owns the workflow AI Repeat Purchase Agent builds?
You do. The timing logic, reminder templates and connections live inside your own store and messaging accounts once delivered, not inside a system we control. If you later change providers or bring the work in-house, nothing about the workflow is locked to us.
Guides on this topic
All guides Catch customers right before they run out, not after.
Order AI Repeat Purchase Agent and reorder reminders timed to each customer's own rhythm start on a fixed delivery date, sent through the platform you already use.
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