Last updated: Jan 22, 2026, 12:46 PM
Serial numbers are essential for identifying, troubleshooting, and managing warranties for your Toast devices. They help identify specific devices in your setup, validate warranty eligibility for replacements or repairs, and assist technical support when troubleshooting device issues.
Note if the serial number sticker is fallen off, you can always find it in the device Status page in the Toast app.
The serial number on a Toast Go® 1 handheld is an 8-character alphanumeric series on the back of the casing. Check for labels marked as "CSN" or "SN" near the barcode for clarity. If any label is covering the barcode, carefully check beneath it.
The serial number on a Toast Go® 2 handheld is the 11-character alphanumeric series on the back of the casing. The serial number begins with three letters, always starting with a T, followed by nine numbers. If the device screen is broken or it has been offline for an extended period, you can still find the serial number on the back sticker.
The serial number on a Toast Go® 3 handheld is the 13-character alphanumeric series on the back of the casing. If the device screen is broken or it has been offline for an extended period, the serial number can still be found on the back sticker.
The serial number on a Toast Flex device is the 13-character alphanumeric series on the bottom of the screen bezel.
The serial number on an Elo terminal issued by Toast is the 10-character alphanumeric series on the back left side of the device. The serial number begins with a letter followed by 9 numbers.
The serial number on a Toast Tap™ (on-counter) can be found at the bottom of the device.
The serial number on a Toast Tap™ (direct attach) can be found on the side of the device, when the Toast logo is facing upward it will be on the left side.
Meraki serial numbers are located on the back of the device, in the lower right-hand portion of the label, preceded by the acronym SN and usually begin with the letter Q.
Serial numbers for all Pronto equipment can be found on the label attached to the back of the device.
Serial numbers for scanners can generally be found on the bottom of the scanner itself, not on the scanner cradle.
If the sticker on your device has fallen off or the serial number is unreadable, you can find your device's serial number via the Toast app.
If you're unable to locate a device's serial number and the item has been issued directly by Toast, please contact Toast Customer Care.