ReaderID
Unique identifier of the object. Note that this identifies the instance of the physical devices pairing with your SumUp account. If you [delete](https://developer.sumup.com/api/readers/delete-reader) a reader, and pair the device again, the ID will be different. Do not use this ID to refer to a physical device.
PaymentsPoint-of-SaleCard ReadersCheckoutFintechMobile PaymentsOnline Payments
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