Normalize an Email AddressUpserts and sheet lookups miss rows when one person typed Ada@Example.com and another stored ada@example.com. normalizeEmail trims…
Re-run your import without duplicating rowsImports fail halfway. APIs page slowly. Someone clicks the menu twice. If "run again" means double every row, you don't have an importer…
Upsert a Row by Key ColumnFind a row by a key column (email, order ID, SKU) and update it — or append if it's new. Header-aware, so you pass a plain object instead of…
