Enter the two things from your Apps Script project. You only do this once on each device.
The code is stored only on this device. Anyone with both the link and the code could open your receipts, so keep it to yourself.
Free-tier keys: Google may use what you send to improve its products. A paid key keeps your receipts out of that.
Finding the receipt…
Updated automatically every time you save or delete. Nothing to back up by hand.
Sent to your Gmail at about 8am. Mark a receipt as returned to stop its reminders.
Copies receipts from your newest “Warranty Wallet backup” in Drive into Warranties. Already-imported ones are skipped.