The Scenario
It's the Monday before your welcome campaign launches. You have 4,200 new trial sign-ups sitting in a Google Sheet — email in column A, first name in column B, plan tier in column C — and every single one needs to be in Enginemailer as a subscriber with the plan tier stored as a custom field before Thursday.
The bad version:
- Export the sheet to CSV, realize the column headers don't match Enginemailer's field names, rename them in a second file, and upload — only to discover custom fields require a separate import flow entirely.
- Download the custom field import template, manually paste the 4,200 rows into the correct columns, upload it as a second file, wait for the confirmation email, then cross-reference both import logs for errors.
- Find 63 rows that failed because of whitespace in the email column, fix them in a third CSV, and start the whole loop again.
That's not three steps. It's three files, two import sessions, and an error log that still doesn't tell you which rows actually made it in.
You're supposed to be setting up the campaign, not managing file gymnastics. The import is blocking everything else.
The Easy Way: One Prompt in SheetXAI
SheetXAI is an AI agent that lives inside your Google Sheet. It reads your data, understands the structure, and talks to Enginemailer directly through its built-in integration — so you never touch a CSV file.
Batch-add all rows from my 'New Signups' sheet into Enginemailer as subscribers — email in column A, first name in B, plan tier in C stored as the 'plan_tier' custom field — write the import status into column D.
What You Get
- Each row processed in order — SheetXAI pushes each subscriber to Enginemailer and writes "imported" or the API error message into column D.
- The plan tier value from column C lands in the 'plan_tier' custom field on each subscriber record, not in a generic notes field.
- Failed rows are visible immediately — you can filter column D for errors and fix them without hunting through a separate import log.
- No second CSV pass for custom fields — the mapping and the subscriber creation happen in a single operation.
What If the Data Is Not Quite Ready
Email addresses include trailing whitespace or mixed case
Some export tools leave whitespace around values, and Enginemailer may reject those addresses or create duplicates.
Before importing, trim whitespace from every email in column A and lowercase them, then batch-add all rows to Enginemailer with first name from B and plan_tier from C — write the result into column D.
First names are missing for a subset of rows
Enginemailer accepts subscribers without a first name, but you'd rather send "Hi there" than "Hi [blank]" — so you want a fallback.
Add all rows from my 'New Signups' sheet to Enginemailer. Use column A for email, column B for first name — if B is blank, use "Friend" as the first name. Store column C as 'plan_tier'. Write status to column D.
Sign-ups include a mix of plans and you only want 'enterprise' tier imported now
You're running a phased onboarding and want to target enterprise contacts first.
Import only the rows from my 'New Signups' sheet where column C equals 'enterprise' into Enginemailer as subscribers, with email from A, first name from B, and plan_tier from C set to 'enterprise'. Write import status to column D.
Clean, import, and validate in one pass
You want whitespace trimmed, blank first names filled, enterprise rows filtered, and everything imported in a single operation.
In my 'New Signups' sheet: trim column A emails and lowercase them, replace any blank first names in B with 'Friend', then import only rows where column C is 'enterprise' into Enginemailer with email, first name, and plan_tier mapped from A, B, C — write the result to column D.
The goal is always the same: ask for the cleanup and the action together, so you're not running three separate prompts for what is really one task.
Try It
Get the 7-day free trial of SheetXAI and open the Google Sheet with your next sign-up batch — then ask it to import, map the custom fields, and report back in column D. For related tasks, see Tag Subscribers by Segment or the Enginemailer hub overview.