The Scenario
You are a Shopify store owner. You use Kit for email marketing and you personalize your flows using a custom field called ltv (lifetime purchase value). When ltv is populated, Kit sends higher-value subscribers into a premium upsell sequence.
Your Shopify data just refreshed. You have a Google Sheet with 900 rows — column A is customer email, column B is their current lifetime purchase value.
You need to push column B into the Kit custom field ltv for every matching subscriber before tomorrow's campaign send.
The bad version of this Tuesday:
- You look up the Kit API docs for subscriber updates
- You consider writing a script and decide you do not have time
- You try to find a Zapier template for "update Kit custom field from a spreadsheet row"
- The closest template requires a new row trigger, not an existing row update
- You send the campaign without updated LTV data and the upsell sequence misfires.
The fast version is one prompt.
The Easy Way: One Prompt in SheetXAI
SheetXAI reads the sheet and calls Kit's subscriber update API for each row, pushing the custom field value without you writing a single line of code.
Open the SheetXAI sidebar and type:
For each row in this sheet, update the Kit subscriber matching the email in column A by setting the custom field ltv to the value in column B. Log "updated," "subscriber not found," or "error" in column C for each row.
SheetXAI goes through all 900 rows, looks up each subscriber by email in Kit, pushes the ltv value from column B, and logs the result in column C. Nine hundred updates, one prompt.
What You Get
Every Kit subscriber profile updated with their current LTV value, with a log to verify:
- ltv custom field — set per subscriber from column B
- "subscriber not found" rows — emails in your Shopify export that are not in Kit, flagged for review
- "updated" rows — every successful push, timestamped in your sheet log
The "subscriber not found" rows matter. Customers who purchased but never subscribed to your list are a gap. You can use those rows to decide whether to add them to Kit or suppress them from Shopify's email sends.
Once LTV is updated, your Kit flows fire correctly — premium subscribers enter the upsell sequence, low-LTV subscribers get a different nurture path.
What If the Data Is Not Quite Ready
Purchase exports from Shopify or any e-commerce platform have edge cases before they are ready to push to Kit. SheetXAI handles them inline.
When LTV values include currency symbols or commas
Your sheet has "$1,250.00" in column B. Kit expects a plain number.
Clean the values in column B by removing dollar signs, commas, and whitespace so they are plain numbers. Then update each Kit subscriber in column A by setting the custom field ltv to the cleaned value from column B. Log results in column C.
When you need to update two custom fields at once
Your sheet also has a purchase_count column and you want to push both fields in the same pass.
For each row in this sheet, update the Kit subscriber matching column A by setting the custom field ltv to column B and the custom field purchase_count to column C. Log "updated," "not found," or "error" in column D.
When you only want to update subscribers above a certain LTV threshold
You only want to push LTV values for customers who have spent more than $500, to avoid cluttering Kit with low-value data.
Filter this sheet to rows where column B is greater than 500. For those rows only, update the Kit subscriber in column A by setting the custom field ltv to column B. Log results in column C. For rows below the threshold, write "SKIPPED — below threshold" in column C.
When the sheet is a raw Shopify export that needs full cleanup before pushing
Order-level rows, not customer-level. Multiple rows per customer. Currency symbols. You want the aggregated LTV per customer pushed to Kit.
This sheet has one row per order from Shopify. Column A is customer email, column B is order value. First, aggregate to get total lifetime value per unique email — sum column B grouped by column A — and write the result to a new Summary tab with email in column A and total LTV in column B. Then update each Kit subscriber in the Summary tab column A by setting the custom field ltv to the value in column B. Log results in column C of the Summary tab.
The pattern: aggregate the raw data, clean it, and push to Kit in one prompt instead of three separate steps.
Try It
Get the 7-day free trial of SheetXAI and open any sheet where a column holds values you want to push into Kit subscriber profiles, then ask SheetXAI to handle it. The Kit integration is included in every SheetXAI plan. For the subscriber import workflow, see how to bulk import subscribers into Kit from a sheet or the Kit in Google Sheets overview.